CN118036900A - Comprehensive evaluation method and system for high pier structural performance of bridge - Google Patents

Abstract

The invention relates to the technical field of bridge high pier performance evaluation, in particular to a comprehensive evaluation method and system for bridge high pier structural performance, wherein the method comprises the following steps: and acquiring each detection index data of the target detection bridge high pier, and calculating according to each detection index data and the corresponding weight to obtain the comprehensive evaluation value of the target detection bridge high pier. According to the invention, through three steps of data acquisition, data processing and comprehensive evaluation, the comprehensive evaluation of the target detection bridge pier is realized, and the accuracy and objectivity of the evaluation are improved.

Description

Comprehensive evaluation method and system for high pier structural performance of bridge

Technical Field

The invention relates to the technical field of bridge high pier performance evaluation, in particular to a comprehensive evaluation method and system for bridge high pier structural performance.

Background

The highway bridge high pier detection project includes: appearance, verticality, circumference, strength, reinforcement cover thickness, reinforcement spacing, and the like.

Because each detection item of the high pier detection has the current standard to stipulate the allowable value, in the actual situation, due to construction reasons, when the high pier is accepted, small quality problems can occur in the actual engineering, whether each sub-detection item is qualified or not is generally directly assessed according to the standard, and the pier column is comprehensively assessed without comprehensively considering the small quality problems.

Therefore, how to realize comprehensive evaluation of the structural performance of the bridge high pier becomes a new trend of technical development.

Disclosure of Invention

In view of the above, the invention provides a method and a system for comprehensively evaluating the structural performance of a high pier of a bridge, which mainly aims to solve the problem of how to realize the comprehensive evaluation of the structural performance of the high pier of the bridge.

In one aspect, the invention provides a comprehensive evaluation method for the performance of a high pier structure of a bridge, which comprises the following steps:

Obtaining appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of a target detection bridge high pier;

Determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a steel bar protection layer thickness detection value and a steel bar spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the steel bar protection layer thickness data and the steel bar spacing data;

Respectively carrying out percentage scoring conversion on the verticality detection value, the high pier strength detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality scoring value B, a high pier strength scoring value D, a reinforcement thickness scoring value E and a reinforcement spacing scoring value F;

presetting the corresponding weight of the appearance detection value A as a, the corresponding weight of the verticality grading value B as B, the corresponding weight of the high pier perimeter detection value C as C, the corresponding weight of the high pier strength grading value D as D, the corresponding weight of the reinforcement protection layer thickness grading value E as E, the corresponding weight of the reinforcement spacing grading value F as F, and a+b+c+d+e+f=1;

And calculating according to the appearance detection value A, the verticality score value B, the high pier perimeter detection value C, the high pier intensity score value D, the reinforcement protection layer thickness score value E, the reinforcement spacing score value F and the corresponding weight to obtain the comprehensive evaluation value of the target detection bridge high pier.

In some embodiments of the present application, when obtaining the appearance detection value a, it includes:

photographic detection is carried out on the appearance of the high pier of the target detection bridge so as to obtain appearance detection image data;

Performing contour extraction on the cracks in the appearance detection image data based on a contour detection algorithm to obtain crack boundary contour data, and calculating to obtain crack areas based on the crack boundary contour data;

obtaining the surface area of the target bridge high pier, and calculating to obtain an appearance crack ratio based on the crack area and the surface area, wherein the appearance crack ratio=crack area/surface area;

Presetting the highest ratio of appearance cracks;

when the appearance crack ratio is larger than the highest appearance crack ratio, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When the appearance crack ratio is smaller than or equal to the highest appearance crack ratio, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

the appearance crack ratio is marked as Aa, and the appearance crack ratio Aa is converted into a percentage preparation score to be used as the appearance detection value A;

when aa=0, a=100;

when Aa > 0, a= (1-Aa) ×100.

In some embodiments of the present application, the determining to comprehensively evaluate the structural performance of the bridge pier includes:

presetting a plurality of detection points i, i=1, 2, … and n on the target detection bridge high pier;

obtaining a corresponding verticality detection value Bi of the target detection bridge high pier at a plurality of detection points i;

calculating standard deviation of a plurality of verticality detection values Bi ；

When (when)When the detection value is not equal to 0, carrying out normalization processing on the detection value Bi of the verticality, wherein the calculation formula is as follows:

；

Wherein, Normalized value of verticality corresponding to the detected value Bi of verticality,/>Is the average value of a plurality of verticality detection values Bi;

obtaining a minimum verticality standard value Bmin and a maximum verticality standard value Bmax corresponding to the target detection bridge high pier;

When Bi is larger than Bmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

when Bi is less than or equal to Bmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Acquiring corresponding verticality detection weights bi of the target detection bridge pier at a plurality of detection points i, wherein the values of the corresponding verticality detection weights bi at the plurality of detection points i are not completely the same, and ；

Normalizing the verticality corresponding to a plurality of detection points iAfter multiplying the corresponding verticality detection weight bi, carrying out summation operation to obtain a verticality weighted value Ba, wherein the calculation formula is as follows:

；

when Bi is 0 and When=0, the vertical degree weighting value Ba takes 0;

When Bi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Calculating a verticality scoring value B according to a verticality weighted value Ba, a minimum verticality standard value Bmin and a maximum verticality standard value Bmax, wherein the calculation formula is as follows:

。

in some embodiments of the present application, the determining to comprehensively evaluate the structural performance of the bridge high pier includes, when the high pier perimeter detection value C is obtained:

obtaining a perimeter deviation value C1 corresponding to the high pier of the target detection bridge, wherein C1 is the difference value between the actual measurement value and the design value, and is constant 0 or positive number;

Acquiring a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax corresponding to the target detection bridge high pier;

when C1 is larger than Cmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When C1 is less than or equal to Cmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Calculating a perimeter deviation value Ca according to a linear normalization formula according to a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax of the perimeter C1, and calculating the perimeter detection value C of the high pier according to the perimeter deviation value Ca, wherein the calculation formula is as follows:

；

。

In some embodiments of the present application, the determining to comprehensively evaluate the structural performance of the bridge high pier includes, when obtaining the high pier strength score value D:

The high pier intensity data comprises: concrete compressive strength data, steel bar yield strength data and steel bar tensile strength data;

Acquiring a concrete compressive strength value D1, a steel bar yield strength value D2 and a steel bar tensile strength value D3 corresponding to the target detection bridge high pier;

acquiring a minimum concrete compressive strength value D1min and a maximum concrete compressive strength value D1max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar yield strength value D2min and a maximum steel bar yield strength value D2max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar tensile strength value D3min and a maximum steel bar tensile strength value D3max corresponding to the target detection bridge high pier;

When one of D1 < D1min, D2 < D2min and D3 < D3min is met, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When D1 is more than or equal to D1min, D2 is more than or equal to D2min and D3 is more than or equal to D3min, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

according to the concrete compressive strength value D1, the minimum concrete compressive strength value D1min and the maximum concrete compressive strength value D1max, calculating a concrete compressive strength deviation value D1a by a linear normalization formula, wherein the calculation formula is as follows:

；

according to the steel bar yield strength value D2, the minimum steel bar yield strength value D2min and the maximum steel bar yield strength value D2max, calculating a steel bar yield strength deviation value D2a by a linear normalization formula, wherein the calculation formula is as follows:

；

According to the tensile strength value D3 of the steel bar, the minimum tensile strength value D3min and the maximum tensile strength value D3max of the steel bar, the tensile strength deviation value D3a of the steel bar is calculated through a linear normalization formula, and the calculation formula is as follows:

；

and calculating a high pier strength grading value D according to the concrete compressive strength deviation value D1a, the steel bar yield strength deviation value D2a and the steel bar tensile strength deviation value D3a, wherein the calculation formula is as follows:

。

In some embodiments of the present application, the determining to comprehensively evaluate the structural performance of the bridge pier includes, when obtaining the reinforcement protection layer thickness score E:

acquiring corresponding reinforcement protection layer thickness detection deviation values Ei of the target detection bridge high pier at a plurality of detection points i, wherein Ei is the difference value between an actual measurement value and a design value and is constant as 0 or positive number;

calculating standard deviation of thickness detection deviation Ei of a plurality of reinforcing steel bar protection layers ；

When (when)When not equal to 0, the normalization processing is carried out on the thickness detection deviation value Ei of the reinforcement protection layer, and the calculation formula is as follows:

；

Wherein, Normalized value of the thickness of the reinforcement protection layer corresponding to the deviation value Ei of the thickness detection of the reinforcement protection layer,/>Detecting the average value of the deviation values Ei for the thickness of the plurality of reinforcement protection layers;

Acquiring the corresponding reinforcement layer thickness detection weights ei of the target detection bridge high piers at a plurality of detection points i, wherein the corresponding reinforcement layer thickness detection weights ei at the detection points i are not completely identical in value, and ；

Normalizing the thickness of the reinforcement protection layer corresponding to a plurality of detection points iMultiplying the corresponding reinforcement layer thickness detection weight ei, and then carrying out summation operation to obtain a reinforcement layer thickness weighted value Ea, wherein the calculation formula is as follows:

；

When Ei are all 0 and When the weight value is=0, the thickness weighting value Ea of the reinforcement protection layer is 0;

when Ei are both non-0 values and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Obtaining a minimum reinforcement protection layer thickness standard deviation value Emin and a maximum reinforcement protection layer thickness standard deviation value Emax corresponding to the target detection bridge high pier;

And calculating a reinforcement layer thickness grading value E according to the reinforcement layer thickness weighing value Ea, the minimum reinforcement layer thickness standard deviation value Emin and the maximum reinforcement layer thickness standard deviation value Emax, wherein the calculation formula is as follows:

。

In some embodiments of the present application, the determining to comprehensively evaluate the structural performance of the bridge pier includes:

Acquiring a corresponding steel bar spacing detection deviation value Fi of the target detection bridge high pier at a plurality of detection points i, wherein Fi is the difference value between an actual measurement value and a design value and is constant 0 or positive number;

calculating standard deviation of detection deviation values Fi of a plurality of steel bar intervals ；

When (when)When not equal to 0, carrying out normalization processing on the detection deviation value Fi of the steel bar spacing, wherein the calculation formula is as follows:

；

Wherein, Normalized value of reinforcement distance corresponding to detection deviation value Fi of reinforcement distance,/>The average value of the detection values Fi of the intervals of the steel bars;

Acquiring the corresponding reinforcement distance detection weights fi of the target detection bridge high pier at a plurality of detection points i, wherein the corresponding reinforcement distance detection weights fi at the plurality of detection points i are not completely identical in value, and ；

Normalizing the distance between the reinforcing steel bars corresponding to a plurality of detection points iAfter multiplying the corresponding reinforcement spacing detection weight fi, carrying out summation operation to obtain a reinforcement spacing weighted value Fa, wherein the calculation formula is as follows:

；

When Fi is 0 and When the weight value is=0, the thickness weighting value Fa of the reinforcement protection layer is 0;

When Fi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

acquiring a minimum steel bar spacing standard deviation value Fmin and a maximum steel bar spacing standard deviation value Fmax corresponding to the target detection bridge high pier;

And calculating a reinforcement distance grading value F according to the reinforcement distance weighing value Fa, the minimum reinforcement distance standard deviation value Fmin and the maximum reinforcement distance standard deviation value Fmax, wherein the calculation formula is as follows:

。

In some embodiments of the present application, when it is determined to continue the comprehensive evaluation of the target detection bridge pier, the method further includes:

Calculating a comprehensive evaluation value according to the reinforcement spacing evaluation value F, the reinforcement protection layer thickness evaluation value E, the high pier strength evaluation value D, the high pier perimeter detection value C, the verticality evaluation value B and the appearance detection value A, and marking the comprehensive evaluation value as G;

G=A*a+B*b+C*c+D*d+E*e+F*f。

In another aspect, the invention provides a system for comprehensively evaluating the performance of a high pier structure of a bridge, which comprises:

the data acquisition unit is used for acquiring appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of the target detection bridge high pier;

the data processing unit is used for determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a reinforcement protection layer thickness detection value and a reinforcement spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the reinforcement protection layer thickness data and the reinforcement spacing data;

The data processing unit is further used for respectively carrying out data normalization processing on the verticality detection value, the high pier intensity detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality grading value B, a high pier intensity grading value D, a reinforcement thickness grading value E and a reinforcement spacing grading value F;

The data processing unit is further configured to preset that a corresponding weight of the appearance detection value a is a, a corresponding weight of the verticality score value B is B, a corresponding weight of the high pier perimeter detection value C is C, a corresponding weight of the high pier strength score value D is D, a corresponding weight of the reinforcement protection layer thickness score value E is E, a corresponding weight of the reinforcement spacing score value F is F, and a+b+c+d+e+f=1;

And the comprehensive evaluation unit is used for calculating and obtaining the comprehensive evaluation value of the target detection bridge high pier according to the appearance detection value A, the verticality evaluation value B, the high pier perimeter detection value C, the high pier intensity evaluation value D, the reinforcement protection layer thickness evaluation value E, the reinforcement spacing evaluation value F and the corresponding weight.

Compared with the prior art, the invention has the following beneficial effects: the invention can comprehensively understand the state of the high pier through multi-aspect data collection and evaluation, and is not limited to appearance or single index. The evaluation process is relatively objective based on data and algorithm, and interference of subjective factors is reduced. By scoring and normalizing the data, various indexes are quantized, so that comparison and analysis are easier. The user can adjust the weight of each index according to specific requirements and conditions so as to meet the actual conditions or specific preferences. The final comprehensive evaluation value can comprehensively consider various indexes, provides an overall evaluation result for a decision maker, and is convenient for decision making and planning.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. In the drawings:

FIG. 1 is a flow chart of a method for comprehensively evaluating the performance of a high pier structure of a bridge, which is provided by the embodiment of the invention;

Fig. 2 is a functional block diagram of a system for comprehensively evaluating the performance of a high pier structure of a bridge according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1, the embodiment provides a method for comprehensively evaluating the performance of a high pier structure of a bridge, which includes:

S101: obtaining appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of a target detection bridge high pier;

s102: determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a steel bar protection layer thickness detection value and a steel bar spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the steel bar protection layer thickness data and the steel bar spacing data;

S103: respectively carrying out percentage scoring conversion on the verticality detection value, the high pier strength detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality scoring value B, a high pier strength scoring value D, a reinforcement thickness scoring value E and a reinforcement spacing scoring value F;

S104: presetting the corresponding weight of the appearance detection value A as a, the corresponding weight of the verticality grading value B as B, the corresponding weight of the high pier perimeter detection value C as C, the corresponding weight of the high pier strength grading value D as D, the corresponding weight of the reinforcement protection layer thickness grading value E as E, the corresponding weight of the reinforcement spacing grading value F as F, and a+b+c+d+e+f=1;

S105: and calculating according to the appearance detection value A, the verticality score value B, the high pier perimeter detection value C, the high pier intensity score value D, the reinforcement protection layer thickness score value E, the reinforcement spacing score value F and the corresponding weight to obtain the comprehensive evaluation value of the target detection bridge high pier.

It can be appreciated that the quality condition of the high pier of the bridge can be comprehensively known by comprehensively evaluating the appearance detection image data, the verticality detection data, the perimeter data, the strength data, the thickness data and the spacing data of the reinforcing steel bars of the high pier of the bridge, and the accuracy and the reliability of the evaluation are improved. Through carrying out data normalization processing on the verticality detection value, the high pier strength detection value, the reinforcement protection layer thickness detection value and the reinforcement spacing detection value, the dimension and magnitude differences among different indexes can be eliminated, and the comprehensive evaluation is more objective and accurate. By setting the weights of different indexes, the weights of the indexes can be flexibly adjusted according to actual requirements, so that the actual quality condition of the bridge high pier can be reflected more accurately. The comprehensive evaluation value can provide a reference basis for maintenance and reinforcement of the high pier of the bridge, and is beneficial to improving the safety and the service life of the bridge.

In a specific embodiment of the present application, when obtaining the appearance detection value a, the method includes:

photographic detection is carried out on the appearance of the high pier of the target detection bridge so as to obtain appearance detection image data;

Performing contour extraction on the cracks in the appearance detection image data based on a contour detection algorithm to obtain crack boundary contour data, and calculating to obtain crack areas based on the crack boundary contour data;

obtaining the surface area of the target bridge high pier, and calculating to obtain an appearance crack ratio based on the crack area and the surface area, wherein the appearance crack ratio=crack area/surface area;

Presetting the highest ratio of appearance cracks;

when the appearance crack ratio is larger than the highest appearance crack ratio, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When the appearance crack ratio is smaller than or equal to the highest appearance crack ratio, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

the appearance crack ratio is marked as Aa, and the appearance crack ratio Aa is converted into a percentage preparation score to be used as the appearance detection value A;

when aa=0, a=100;

when Aa > 0, a= (1-Aa) ×100.

It can be understood that in this embodiment, by using the photographic detection and contour extraction algorithm, the crack of the bridge high pier can be accurately detected, the crack area and the appearance crack ratio can be calculated, and the accuracy of the evaluation is improved. The whole evaluation process can be automatically completed through a preset algorithm, so that manual intervention is reduced, and the evaluation efficiency is improved. The highest ratio of the appearance cracks is set, so that the bridge high pier with potential safety hazards can be found in time, and the safe use of the bridge is ensured. The appearance crack ratio is converted into the percentage preparation score, so that the evaluation results among different bridge high piers are comparable, and the performance of the bridge high piers is convenient to transversely compare.

Specifically, in this embodiment, when the appearance crack ratio Aa is equal to 0, that is, when no appearance crack exists in the bridge pier, the appearance crack ratio Aa is converted into a percentage score to be 100, and when an appearance crack exists, that is, aa > 0, the percentage score conversion is performed according to the formula a= (1-Aa) ×100, so that the smaller the appearance crack area, the higher the score.

In a specific embodiment of the present application, the determining to comprehensively evaluate the structural performance of the bridge pier includes:

presetting a plurality of detection points i, i=1, 2, … and n on the target detection bridge high pier;

obtaining a corresponding verticality detection value Bi of the target detection bridge high pier at a plurality of detection points i;

calculating standard deviation of a plurality of verticality detection values Bi ；

When (when)When the detection value is not equal to 0, carrying out normalization processing on the detection value Bi of the verticality, wherein the calculation formula is as follows:

；

Wherein, Normalized value of verticality corresponding to the detected value Bi of verticality,/>Is the average value of a plurality of verticality detection values Bi;

obtaining a minimum verticality standard value Bmin and a maximum verticality standard value Bmax corresponding to the target detection bridge high pier;

When Bi is larger than Bmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

when Bi is less than or equal to Bmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Acquiring corresponding verticality detection weights bi of the target detection bridge pier at a plurality of detection points i, wherein the values of the corresponding verticality detection weights bi at the plurality of detection points i are not completely the same, and ；

Normalizing the verticality corresponding to a plurality of detection points iAfter multiplying the corresponding verticality detection weight bi, carrying out summation operation to obtain a verticality weighted value Ba, wherein the calculation formula is as follows:

；

when Bi is 0 and When=0, the vertical degree weighting value Ba takes 0;

When Bi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Calculating a verticality scoring value B according to a verticality weighted value Ba, a minimum verticality standard value Bmin and a maximum verticality standard value Bmax, wherein the calculation formula is as follows:

。

It can be understood that through a plurality of preset detection points i, the comprehensive monitoring of the bridge high pier is realized, and the accuracy and the reliability of the evaluation are improved.

It can be understood that the verticality value Bi obtained in this embodiment can reflect the actual structural state of the bridge pier, which is helpful for timely finding out potential structural problems.

It can be understood that in this embodiment, by presetting a plurality of detection points on the high pier of the target detection bridge, corresponding detection values of the verticality at the detection points are obtained, and normalization processing is performed. This step not only eliminates the dimensional differences of the verticality detection values between different detection points, but also enables the verticality detection values of all detection points to be compared and evaluated within the same range. And presetting a corresponding verticality detection weight according to the verticality detection value of each detection point. The importance and influence degree of different detection points are fully considered in the step, so that the evaluation result is more scientific and reasonable. Then multiplying the verticality detection value of each detection point by the corresponding verticality detection weight, and carrying out summation operation to obtain a verticality weighted value. The step fully considers the verticality detection values and weights of all detection points, so that the evaluation result is more comprehensive and accurate. And finally, calculating a verticality grading value according to the verticality weighted value, the minimum verticality standard value and the maximum verticality standard value, wherein the step quantizes the verticality evaluation result into a specific grading value, namely, calculating the ratio of the verticality weighted value in the standard range of the high pier verticality requirement of the bridge, and when the ratio is smaller, the grading is higher, so that the evaluation result is more visual and easy to understand.

In a specific embodiment of the present application, the determining to comprehensively evaluate the structural performance of the bridge high pier includes:

obtaining a perimeter deviation value C1 corresponding to the high pier of the target detection bridge, wherein C1 is the difference value between the actual measurement value and the design value, and is constant 0 or positive number;

Acquiring a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax corresponding to the target detection bridge high pier;

when C1 is larger than Cmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When C1 is less than or equal to Cmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Calculating a perimeter deviation value Ca according to a linear normalization formula according to a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax of the perimeter C1, and calculating the perimeter detection value C of the high pier according to the perimeter deviation value Ca, wherein the calculation formula is as follows:

；

。

It can be understood that the method effectively improves the evaluation accuracy of the performance of the high pier structure and the early warning judging efficiency of the bridge structure through the linear normalization processing of the perimeter of the high pier. The standardized circumference deviation value Ca is adopted, so that unified standards are provided for comparison of the performances of different high pier structures, and transverse comparison of the performances of the high pier structures is facilitated. By introducing the minimum circumference standard deviation value Cmin and the maximum circumference standard deviation value Cmax, the minimum circumference standard deviation value Cmin and the maximum circumference standard deviation value Cmax can be selected according to actual conditions, so that the evaluation process is more strict, the influence of a single factor on an evaluation result is avoided, and the reliability of evaluation is improved.

Specifically, the high pier perimeter detection value C is obtained by performing percent preparation and score conversion according to the perimeter deviation value Ca, and the smaller the perimeter deviation value, the higher the score is within the range of the minimum perimeter standard deviation value Cmin and the maximum perimeter standard deviation value Cmax.

In a specific embodiment of the present application, the determining to comprehensively evaluate the structural performance of the bridge high pier includes:

The high pier intensity data comprises: concrete compressive strength data, steel bar yield strength data and steel bar tensile strength data;

Acquiring a concrete compressive strength value D1, a steel bar yield strength value D2 and a steel bar tensile strength value D3 corresponding to the target detection bridge high pier;

acquiring a minimum concrete compressive strength value D1min and a maximum concrete compressive strength value D1max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar yield strength value D2min and a maximum steel bar yield strength value D2max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar tensile strength value D3min and a maximum steel bar tensile strength value D3max corresponding to the target detection bridge high pier;

When one of D1 < D1min, D2 < D2min and D3 < D3min is met, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When D1 is more than or equal to D1min, D2 is more than or equal to D2min and D3 is more than or equal to D3min, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

according to the concrete compressive strength value D1, the minimum concrete compressive strength value D1min and the maximum concrete compressive strength value D1max, calculating a concrete compressive strength deviation value D1a by a linear normalization formula, wherein the calculation formula is as follows:

；

according to the steel bar yield strength value D2, the minimum steel bar yield strength value D2min and the maximum steel bar yield strength value D2max, calculating a steel bar yield strength deviation value D2a by a linear normalization formula, wherein the calculation formula is as follows:

；

According to the tensile strength value D3 of the steel bar, the minimum tensile strength value D3min and the maximum tensile strength value D3max of the steel bar, the tensile strength deviation value D3a of the steel bar is calculated through a linear normalization formula, and the calculation formula is as follows:

；

and calculating a high pier strength grading value D according to the concrete compressive strength deviation value D1a, the steel bar yield strength deviation value D2a and the steel bar tensile strength deviation value D3a, wherein the calculation formula is as follows:

。

It can be understood that in this embodiment, by obtaining the data of the compressive strength of the concrete, the yield strength of the reinforcing steel bar and the tensile strength of the reinforcing steel bar of the high pier, the evaluation value of the strength of the high pier is calculated, so as to realize the comprehensive evaluation of the structural performance of the high pier.

Specifically, the embodiment calculates the concrete compressive strength, the steel bar yield strength and the steel bar tensile strength deviation value through a linear normalization formula, converts the deviation value into a unified evaluation index, and facilitates comparison and analysis of different data.

Meanwhile, the evaluation method of the embodiment can carry out parameter adjustment according to specific engineering requirements, such as selecting different linear normalization formulas, adjusting weights and the like, and has good flexibility and adaptability.

It can be understood that in this embodiment, the high pier strength score value D is calculated according to the concrete compressive strength deviation value D1a, the steel bar yield strength deviation value D2a and the steel bar tensile strength deviation value D3a, and the concrete compressive strength deviation value D1a, the steel bar yield strength deviation value D2a and the steel bar tensile strength deviation value D3a are converted into the percentage score after the average value is calculated, so that the larger the average value is, the higher the score is.

In a specific embodiment of the present application, the determining to comprehensively evaluate the structural performance of the bridge high pier includes:

acquiring corresponding reinforcement protection layer thickness detection deviation values Ei of the target detection bridge high pier at a plurality of detection points i, wherein Ei is the difference value between an actual measurement value and a design value and is constant as 0 or positive number;

calculating standard deviation of thickness detection deviation Ei of a plurality of reinforcing steel bar protection layers ；

When (when)When not equal to 0, the normalization processing is carried out on the thickness detection deviation value Ei of the reinforcement protection layer, and the calculation formula is as follows:

；

Wherein the method comprises the steps of Normalized value of the thickness of the reinforcement protection layer corresponding to the deviation value Ei of the thickness detection of the reinforcement protection layer,/>Detecting the average value of the deviation values Ei for the thickness of the plurality of reinforcement protection layers;

Acquiring the corresponding reinforcement layer thickness detection weights ei of the target detection bridge high piers at a plurality of detection points i, wherein the corresponding reinforcement layer thickness detection weights ei at the detection points i are not completely identical in value, and ；

Normalizing the thickness of the reinforcement protection layer corresponding to a plurality of detection points iMultiplying the corresponding reinforcement layer thickness detection weight ei, and then carrying out summation operation to obtain a reinforcement layer thickness weighted value Ea, wherein the calculation formula is as follows:

；

When Ei are all 0 and When the weight value is=0, the thickness weighting value Ea of the reinforcement protection layer is 0;

when Ei are both non-0 values and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Obtaining a minimum reinforcement protection layer thickness standard deviation value Emin and a maximum reinforcement protection layer thickness standard deviation value Emax corresponding to the target detection bridge high pier;

And calculating a reinforcement layer thickness grading value E according to the reinforcement layer thickness weighing value Ea, the minimum reinforcement layer thickness standard deviation value Emin and the maximum reinforcement layer thickness standard deviation value Emax, wherein the calculation formula is as follows:

。

It can be understood that in this embodiment, by acquiring the thickness deviation value of the reinforcement protection layer of the target detection bridge pier at a plurality of detection points and performing normalization processing, the deviation value data of different detection points can be compared on the same scale. The step can eliminate the data difference caused by factors such as detection conditions, equipment difference and the like, and improves the accuracy of evaluation. Secondly, the thickness detection weight of the reinforcement protection layer is introduced, so that the evaluation is not only dependent on a single detection value, but the influence of different detection points on the overall structural performance is comprehensively considered. This helps to more fully reflect the actual condition of the bridge pier. And then, calculating the thickness weighted value of the reinforcement protection layer, and combining the data of each detection point with the corresponding weight to obtain a comprehensive evaluation value. This step can highlight the role of important detection points, so that the evaluation result is more in line with the actual situation. And finally, calculating the thickness grading value of the reinforced concrete layer according to the thickness weighing value of the reinforced concrete layer, the standard deviation value of the minimum reinforced concrete layer and the standard deviation value of the maximum reinforced concrete layer, and comparing the actual detection deviation value data with the standard deviation value to obtain a quantized grading value, namely calculating the ratio of the thickness weighing value of the reinforced concrete layer in the standard range of the thickness requirement of the reinforced concrete layer of the bridge high pier, wherein the score is higher when the ratio is smaller, so that the structural performance of the bridge high pier can be conveniently and intuitively and accurately evaluated.

In a specific embodiment of the present application, the determining to comprehensively evaluate the structural performance of the bridge pier includes:

Acquiring a corresponding steel bar spacing detection deviation value Fi of the target detection bridge high pier at a plurality of detection points i, wherein Fi is the difference value between an actual measurement value and a design value and is constant 0 or positive number;

calculating standard deviation of detection deviation values Fi of a plurality of steel bar intervals ；

When (when)When not equal to 0, carrying out normalization processing on the detection deviation value Fi of the steel bar spacing, wherein the calculation formula is as follows:

；

Wherein, Normalized value of reinforcement distance corresponding to detection deviation value Fi of reinforcement distance,/>The average value of the detection values Fi of the intervals of the steel bars;

Acquiring the corresponding reinforcement distance detection weights fi of the target detection bridge high pier at a plurality of detection points i, wherein the corresponding reinforcement distance detection weights fi at the plurality of detection points i are not completely identical in value, and ；

Normalizing the distance between the reinforcing steel bars corresponding to a plurality of detection points iAfter multiplying the corresponding reinforcement spacing detection weight fi, carrying out summation operation to obtain a reinforcement spacing weighted value Fa, wherein the calculation formula is as follows:

；

When Fi is 0 and When the weight value is=0, the thickness weighting value Fa of the reinforcement protection layer is 0;

When Fi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

acquiring a minimum steel bar spacing standard deviation value Fmin and a maximum steel bar spacing standard deviation value Fmax corresponding to the target detection bridge high pier;

And calculating a reinforcement distance grading value F according to the reinforcement distance weighing value Fa, the minimum reinforcement distance standard deviation value Fmin and the maximum reinforcement distance standard deviation value Fmax, wherein the calculation formula is as follows:

。

It can be understood that in this embodiment, by collecting the detection deviation values of the target detection bridge pier for detecting the distance between the steel bars at a plurality of detection points, the actual situation of the bridge pier can be known more accurately. In addition, the accuracy of the evaluation can be further improved by adopting normalization processing, weighted summation and scoring calculation based on standard deviation values. Therefore, the evaluation result is more comprehensive, and the performance of the spacing between the steel bars of the bridge pier at different positions can be reflected. Through the minimum steel bar spacing standard deviation value and the maximum steel bar spacing standard deviation value, the embodiment converts the actual steel bar spacing deviation value into a standardized score, so that performance evaluation among different bridge piers is more comparable. According to the reinforcement spacing weighted value, the minimum reinforcement spacing standard deviation value and the maximum reinforcement spacing standard deviation value, the actual detection data are compared with the standard deviation value to obtain a quantized grading value, namely, the ratio of the reinforcement spacing weighted value in the standard range of the requirement of the reinforcement spacing of the bridge high pier is calculated, when the ratio is smaller, the grading value is higher, and visual and accurate evaluation of the structural performance of the bridge high pier is facilitated. The evaluation method of the embodiment has certain flexibility. For example, the number and position of detection points may be adjusted according to actual conditions, or the allocation of detection weights may be adjusted. In addition, the standard deviation value of the minimum and maximum steel bar spacing can be adjusted according to actual conditions.

In a specific embodiment of the present application, when it is determined to continue to perform comprehensive evaluation on the target detection bridge pier, the method further includes:

Calculating a comprehensive evaluation value according to the reinforcement spacing evaluation value F, the reinforcement protection layer thickness evaluation value E, the high pier strength evaluation value D, the high pier perimeter detection value C, the verticality evaluation value B and the appearance detection value A, and marking the comprehensive evaluation value as G;

G=A*a+B*b+C*c+D*d+E*e+F*f。

It can be appreciated that in this embodiment, the quality and safety of the high pier of the bridge is comprehensively evaluated by comprehensively evaluating various aspects of the high pier of the bridge, including the distance between the reinforcing bars, the thickness of the reinforcing bar protection layer, the strength of the high pier, the perimeter of the high pier, the verticality and the appearance. Specifically, these evaluation values are weighted by a specific weight to obtain a comprehensive evaluation value. The comprehensive evaluation method can reflect the performance and the safety of the high pier of the bridge more comprehensively, and is helpful for timely finding and solving potential safety hazards.

In addition, the comprehensive evaluation method in the embodiment of the application has expandability and flexibility, and the weight of each evaluation index can be adjusted and optimized according to the actual situation so as to adapt to different evaluation requirements.

Therefore, the comprehensive evaluation method in the embodiment of the application can improve the accuracy and reliability of the bridge high pier evaluation and provide powerful support for guaranteeing the bridge safety.

Referring to fig. 2, in another aspect, the present invention provides a system for comprehensively evaluating the performance of a high pier structure of a bridge, the system comprising:

the data acquisition unit is used for acquiring appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of the target detection bridge high pier;

the data processing unit is used for determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a reinforcement protection layer thickness detection value and a reinforcement spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the reinforcement protection layer thickness data and the reinforcement spacing data;

The data processing unit is further used for respectively carrying out data normalization processing on the verticality detection value, the high pier intensity detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality grading value B, a high pier intensity grading value D, a reinforcement thickness grading value E and a reinforcement spacing grading value F;

The data processing unit is further configured to preset that a corresponding weight of the appearance detection value a is a, a corresponding weight of the verticality score value B is B, a corresponding weight of the high pier perimeter detection value C is C, a corresponding weight of the high pier strength score value D is D, a corresponding weight of the reinforcement protection layer thickness score value E is E, a corresponding weight of the reinforcement spacing score value F is F, and a+b+c+d+e+f=1;

And the comprehensive evaluation unit is used for calculating and obtaining the comprehensive evaluation value of the target detection bridge high pier according to the appearance detection value A, the verticality evaluation value B, the high pier perimeter detection value C, the high pier intensity evaluation value D, the reinforcement protection layer thickness evaluation value E, the reinforcement spacing evaluation value F and the corresponding weight.

It can be understood that in the embodiment, through three steps of data acquisition, data processing and comprehensive evaluation, the comprehensive evaluation of the target detection bridge high pier is realized, the accuracy and objectivity of the evaluation are improved, and powerful technical support is provided for bridge maintenance and management.

It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.

The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.

These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.

Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims (9)

1. The comprehensive evaluation method for the structural performance of the high pier of the bridge is characterized by comprising the following steps of:

Obtaining appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of a target detection bridge high pier;

Determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a steel bar protection layer thickness detection value and a steel bar spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the steel bar protection layer thickness data and the steel bar spacing data;

Respectively carrying out percentage scoring conversion on the verticality detection value, the high pier strength detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality scoring value B, a high pier strength scoring value D, a reinforcement thickness scoring value E and a reinforcement spacing scoring value F;

presetting the corresponding weight of the appearance detection value A as a, the corresponding weight of the verticality grading value B as B, the corresponding weight of the high pier perimeter detection value C as C, the corresponding weight of the high pier strength grading value D as D, the corresponding weight of the reinforcement protection layer thickness grading value E as E, the corresponding weight of the reinforcement spacing grading value F as F, and a+b+c+d+e+f=1;

And calculating according to the appearance detection value A, the verticality score value B, the high pier perimeter detection value C, the high pier intensity score value D, the reinforcement protection layer thickness score value E, the reinforcement spacing score value F and the corresponding weight to obtain the comprehensive evaluation value of the target detection bridge high pier.

2. The method for comprehensively evaluating the structural performance of a bridge pier according to claim 1, wherein when the appearance detection value a is obtained, comprising:

photographic detection is carried out on the appearance of the high pier of the target detection bridge so as to obtain appearance detection image data;

Performing contour extraction on the cracks in the appearance detection image data based on a contour detection algorithm to obtain crack boundary contour data, and calculating to obtain crack areas based on the crack boundary contour data;

obtaining the surface area of the target bridge high pier, and calculating to obtain an appearance crack ratio based on the crack area and the surface area, wherein the appearance crack ratio=crack area/surface area;

Presetting the highest ratio of appearance cracks;

when the appearance crack ratio is larger than the highest appearance crack ratio, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When the appearance crack ratio is smaller than or equal to the highest appearance crack ratio, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

the appearance crack ratio is marked as Aa, and the appearance crack ratio Aa is converted into a percentage preparation score to be used as the appearance detection value A;

when aa=0, a=100;

when Aa > 0, a= (1-Aa) ×100.

3. The method for comprehensively evaluating the structural performance of the bridge pier according to claim 2, wherein the step of determining to comprehensively evaluate the structural performance of the bridge pier comprises the following steps of:

presetting a plurality of detection points i, i=1, 2, … and n on the target detection bridge high pier;

obtaining a corresponding verticality detection value Bi of the target detection bridge high pier at a plurality of detection points i;

calculating standard deviation of a plurality of verticality detection values Bi ；

When (when)When the detection value is not equal to 0, carrying out normalization processing on the detection value Bi of the verticality, wherein the calculation formula is as follows:

；

Wherein, Normalized value of verticality corresponding to the detected value Bi of verticality,/>Is the average value of a plurality of verticality detection values Bi;

obtaining a minimum verticality standard value Bmin and a maximum verticality standard value Bmax corresponding to the target detection bridge high pier;

When Bi is larger than Bmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

when Bi is less than or equal to Bmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Acquiring corresponding verticality detection weights bi of the target detection bridge pier at a plurality of detection points i, wherein the values of the corresponding verticality detection weights bi at the plurality of detection points i are not completely the same, and ；

Normalizing the verticality corresponding to a plurality of detection points iAfter multiplying the corresponding verticality detection weight bi, carrying out summation operation to obtain a verticality weighted value Ba, wherein the calculation formula is as follows:

；

when Bi is 0 and When=0, the vertical degree weighting value Ba takes 0;

When Bi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Calculating a verticality scoring value B according to a verticality weighted value Ba, a minimum verticality standard value Bmin and a maximum verticality standard value Bmax, wherein the calculation formula is as follows:

。

4. The method for comprehensively evaluating the structural performance of the bridge pier according to claim 3, wherein the step of determining to comprehensively evaluate the structural performance of the bridge pier comprises the steps of:

obtaining a perimeter deviation value C1 corresponding to the high pier of the target detection bridge, wherein C1 is the difference value between the actual measurement value and the design value, and is constant 0 or positive number;

Acquiring a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax corresponding to the target detection bridge high pier;

when C1 is larger than Cmax, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When C1 is less than or equal to Cmax, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

Calculating a perimeter deviation value Ca according to a linear normalization formula according to a minimum perimeter standard deviation value Cmin and a maximum perimeter standard deviation value Cmax of the perimeter C1, and calculating the perimeter detection value C of the high pier according to the perimeter deviation value Ca, wherein the calculation formula is as follows:

；

。

5. the method for comprehensively evaluating the structural performance of a bridge pier according to claim 4, wherein the step of determining to comprehensively evaluate the structural performance of the bridge pier comprises the steps of:

The high pier intensity data comprises: concrete compressive strength data, steel bar yield strength data and steel bar tensile strength data;

Acquiring a concrete compressive strength value D1, a steel bar yield strength value D2 and a steel bar tensile strength value D3 corresponding to the target detection bridge high pier;

acquiring a minimum concrete compressive strength value D1min and a maximum concrete compressive strength value D1max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar yield strength value D2min and a maximum steel bar yield strength value D2max corresponding to the target detection bridge high pier;

Obtaining a minimum steel bar tensile strength value D3min and a maximum steel bar tensile strength value D3max corresponding to the target detection bridge high pier;

When one of D1 < D1min, D2 < D2min and D3 < D3min is met, judging that the target detection bridge high pier is unqualified, and ending the comprehensive evaluation of the structural performance of the bridge high pier;

When D1 is more than or equal to D1min, D2 is more than or equal to D2min and D3 is more than or equal to D3min, judging to comprehensively evaluate the structural performance of the bridge high pier;

when the structural performance of the bridge high pier is judged to be comprehensively evaluated, the method comprises the following steps:

according to the concrete compressive strength value D1, the minimum concrete compressive strength value D1min and the maximum concrete compressive strength value D1max, calculating a concrete compressive strength deviation value D1a by a linear normalization formula, wherein the calculation formula is as follows:

；

according to the steel bar yield strength value D2, the minimum steel bar yield strength value D2min and the maximum steel bar yield strength value D2max, calculating a steel bar yield strength deviation value D2a by a linear normalization formula, wherein the calculation formula is as follows:

；

According to the tensile strength value D3 of the steel bar, the minimum tensile strength value D3min and the maximum tensile strength value D3max of the steel bar, the tensile strength deviation value D3a of the steel bar is calculated through a linear normalization formula, and the calculation formula is as follows:

；

and calculating a high pier strength grading value D according to the concrete compressive strength deviation value D1a, the steel bar yield strength deviation value D2a and the steel bar tensile strength deviation value D3a, wherein the calculation formula is as follows:

。

6. The method for comprehensively evaluating the structural performance of the bridge pier according to claim 5, wherein the step of determining to comprehensively evaluate the structural performance of the bridge pier comprises the steps of:

acquiring corresponding reinforcement protection layer thickness detection deviation values Ei of the target detection bridge high pier at a plurality of detection points i, wherein Ei is the difference value between an actual measurement value and a design value and is constant as 0 or positive number;

calculating standard deviation of thickness detection deviation Ei of a plurality of reinforcing steel bar protection layers ；

When (when)When not equal to 0, the normalization processing is carried out on the thickness detection deviation value Ei of the reinforcement protection layer, and the calculation formula is as follows:

；

Wherein, Normalized value of the thickness of the reinforcement protection layer corresponding to the deviation value Ei of the thickness detection of the reinforcement protection layer,/>Detecting the average value of the deviation values Ei for the thickness of the plurality of reinforcement protection layers;

Acquiring the corresponding reinforcement layer thickness detection weights ei of the target detection bridge high piers at a plurality of detection points i, wherein the corresponding reinforcement layer thickness detection weights ei at the detection points i are not completely identical in value, and ；

Normalizing the thickness of the reinforcement protection layer corresponding to a plurality of detection points iMultiplying the corresponding reinforcement layer thickness detection weight ei, and then carrying out summation operation to obtain a reinforcement layer thickness weighted value Ea, wherein the calculation formula is as follows:

；

When Ei are all 0 and When the weight value is=0, the thickness weighting value Ea of the reinforcement protection layer is 0;

when Ei are both non-0 values and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

Obtaining a minimum reinforcement protection layer thickness standard deviation value Emin and a maximum reinforcement protection layer thickness standard deviation value Emax corresponding to the target detection bridge high pier;

And calculating a reinforcement layer thickness grading value E according to the reinforcement layer thickness weighing value Ea, the minimum reinforcement layer thickness standard deviation value Emin and the maximum reinforcement layer thickness standard deviation value Emax, wherein the calculation formula is as follows:

。

7. the method for comprehensively evaluating the structural performance of a bridge pier according to claim 6, wherein the step of determining to comprehensively evaluate the structural performance of the bridge pier comprises the steps of:

Acquiring a corresponding steel bar spacing detection deviation value Fi of the target detection bridge high pier at a plurality of detection points i, wherein Fi is the difference value between an actual measurement value and a design value and is constant 0 or positive number;

calculating standard deviation of detection deviation values Fi of a plurality of steel bar intervals ；

When (when)When not equal to 0, carrying out normalization processing on the detection deviation value Fi of the steel bar spacing, wherein the calculation formula is as follows:

；

Wherein, Normalized value of reinforcement distance corresponding to detection deviation value Fi of reinforcement distance,/>The average value of the detection values Fi of the intervals of the steel bars;

Acquiring the corresponding reinforcement distance detection weights fi of the target detection bridge high pier at a plurality of detection points i, wherein the corresponding reinforcement distance detection weights fi at the plurality of detection points i are not completely identical in value, and ；

Normalizing the distance between the reinforcing steel bars corresponding to a plurality of detection points iAfter multiplying the corresponding reinforcement spacing detection weight fi, carrying out summation operation to obtain a reinforcement spacing weighted value Fa, wherein the calculation formula is as follows:

；

When Fi is 0 and When the weight value is=0, the thickness weighting value Fa of the reinforcement protection layer is 0;

When Fi is a value other than 0 and Ending the comprehensive evaluation of the structural performance of the bridge high pier when the ratio is=0;

acquiring a minimum steel bar spacing standard deviation value Fmin and a maximum steel bar spacing standard deviation value Fmax corresponding to the target detection bridge high pier;

And calculating a reinforcement distance grading value F according to the reinforcement distance weighing value Fa, the minimum reinforcement distance standard deviation value Fmin and the maximum reinforcement distance standard deviation value Fmax, wherein the calculation formula is as follows:

。

8. The method for comprehensively evaluating the structural performance of a bridge pier according to claim 7, further comprising, when it is determined to continue the comprehensive evaluation of the target detection bridge pier:

Calculating a comprehensive evaluation value according to the reinforcement spacing evaluation value F, the reinforcement protection layer thickness evaluation value E, the high pier strength evaluation value D, the high pier perimeter detection value C, the verticality evaluation value B and the appearance detection value A, and marking the comprehensive evaluation value as G;

G=A*a+B*b+C*c+D*d+E*e+F*f。

9. A system for comprehensively evaluating the structural performance of a bridge high pier, which is characterized in that the method for comprehensively evaluating the structural performance of the bridge high pier according to any one of claims 1 to 8 is applied and comprises the following steps:

the data acquisition unit is used for acquiring appearance detection image data, verticality detection data, high pier perimeter data, high pier strength data, reinforcement protection layer thickness data and reinforcement spacing data of the target detection bridge high pier;

the data processing unit is used for determining an appearance detection value A, a verticality detection value, a high pier perimeter detection value C, a high pier intensity detection value, a reinforcement protection layer thickness detection value and a reinforcement spacing detection value according to the appearance detection image data, the verticality detection data, the high pier perimeter data, the high pier intensity data, the reinforcement protection layer thickness data and the reinforcement spacing data;

The data processing unit is further used for respectively carrying out data normalization processing on the verticality detection value, the high pier intensity detection value, the reinforcement thickness detection value and the reinforcement spacing detection value to obtain a verticality grading value B, a high pier intensity grading value D, a reinforcement thickness grading value E and a reinforcement spacing grading value F;

The data processing unit is further configured to preset that a corresponding weight of the appearance detection value a is a, a corresponding weight of the verticality score value B is B, a corresponding weight of the high pier perimeter detection value C is C, a corresponding weight of the high pier strength score value D is D, a corresponding weight of the reinforcement protection layer thickness score value E is E, a corresponding weight of the reinforcement spacing score value F is F, and a+b+c+d+e+f=1;

And the comprehensive evaluation unit is used for calculating and obtaining the comprehensive evaluation value of the target detection bridge high pier according to the appearance detection value A, the verticality evaluation value B, the high pier perimeter detection value C, the high pier intensity evaluation value D, the reinforcement protection layer thickness evaluation value E, the reinforcement spacing evaluation value F and the corresponding weight.