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CN109387183A - A kind of drill core hole slope measurement apparatus - Google Patents

A kind of drill core hole slope measurement apparatus Download PDF

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Publication number
CN109387183A
CN109387183A CN201811463935.8A CN201811463935A CN109387183A CN 109387183 A CN109387183 A CN 109387183A CN 201811463935 A CN201811463935 A CN 201811463935A CN 109387183 A CN109387183 A CN 109387183A
Authority
CN
China
Prior art keywords
inclinometers
pipe
inclinometer
slope
group
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811463935.8A
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Chinese (zh)
Inventor
胡贺松
刘春林
张硕
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Institute of Building Science Co Ltd
Original Assignee
Guangzhou Institute of Building Science Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangzhou Institute of Building Science Co Ltd filed Critical Guangzhou Institute of Building Science Co Ltd
Priority to CN201811463935.8A priority Critical patent/CN109387183A/en
Publication of CN109387183A publication Critical patent/CN109387183A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00Measuring inclination, e.g. by clinometers, by levels
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/22Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)

Abstract

The invention discloses a kind of drill core hole slope measurement apparatus, operator transfers inclinometer pipe into the drill core hole to be measured, the multiple groups inclinator being arranged in inclinometer pipe can obtain the gradient of different depth in drill core hole simultaneously, it is easy to operate, the shortcomings that obtaining gradient can only be repeated as many times in the prior art by avoiding, the time of measurement is saved, while obtaining the inclination information of drill core hole more comprehensively more multidimensional, so as to the progress of the subsequent analysis work to pile quality.

Description

Core hole drilling slope measuring device
Technical Field
The invention relates to the field of foundation pile monitoring, in particular to a core drilling hole inclination measuring device.
Background
When the core drilling method is adopted to detect the foundation pile, the drill hole is often caused to be incapable of drilling to the bottom of the pile and deviate from the pile body due to some reasons, so that the construction quality of the foundation pile cannot be effectively evaluated. One reason for this is that the detection unit may have a borehole slope exceeding the specification requirement during coring; on the other hand, the construction unit is not properly constructed, so that the slope of the engineering pile exceeds the specification allowed value. In order to accurately judge the accident reason and clear up the accident responsibility, a reasonable and effective measuring device and method are adopted, so that the accurate measurement of the slope of the existing drill core hole is very important, and disputes between a drill core detection unit and a foundation pile construction unit are avoided.
In the prior art, an inclinometer is generally inserted into an existing drill core hole at first, and then an independent inclinometer is placed into the inclinometer for measurement, wherein the method has the problems that the embedded inclinometer is generally made of metal materials, is not easy to elastically deform and bend, and can not be continuously placed in a section with obviously changed inclination of the drill core hole; in addition, because there is great space between inclinometer and the actual core hole that bores, what the independent inclinometer was actually measured at the in-process of transferring is the inclination of inclinometer, and there is the difference with the actual slope of core hole that bores, and independent inclinometer can only obtain the inclination of specific position, can't obtain the inclination of different positions simultaneously, and efficiency is lower, and needs manual operation, consuming time and wasting force.
Disclosure of Invention
In order to overcome the technical defects, the invention provides the device for measuring the inclination of the drill core hole, which can simultaneously obtain the inclinations of different depths in the drill core hole, is convenient to operate, avoids the defect that the inclination can be obtained only repeatedly in the prior art, and saves the measuring time.
In order to solve the problems, the invention is realized according to the following technical scheme:
a core hole slope measurement apparatus comprising:
the inclinometer tube is arranged in the drill core hole to be measured and used for installing an inclinometer; the inclinometer pipe is made of elastic waterproof material;
the n groups of inclinometers are arranged on the inner wall of the tube cavity of the inclinometer at intervals along the extension direction, and each group of inclinometer is used for detecting the inclination information of a section in the tube cavity of the inclinometer; each set of said inclinometers comprises a plurality of inclinometers; wherein n is a positive integer;
and the measuring instrument is connected with the n groups of inclinometers and is used for receiving the inclination information of the plurality of sections in the cavity of the inclinometer and calculating the overall slope of the drill core hole according to the inclination information of the plurality of sections and the spacing distance between the n groups of inclinometers.
Furthermore, each group of the inclinometers comprises two pairs of the inclinometers, and the installation positions of the two pairs of the inclinometers are positioned on the same pipe section; each pair of the inclinometers is symmetrically arranged relative to the center of the section of the pipe, wherein a first straight line direction formed by the positions of one pair of the inclinometers is vertical to a second straight line direction formed by the positions of the other pair of the inclinometers.
Further, the surveying instrument comprises:
the segmented slope calculation module is used for calculating the average slope of the pipe sections spaced by the two adjacent groups of inclinometers by combining the inclinations acquired by the two adjacent groups of inclinometers;
and the total slope calculation module is used for calculating the total slope of the drilling hole by combining the interval distances among the plurality of groups of inclinometers according to the average slope.
Further, the measuring instrument further comprises:
the group slope calculation module is configured to calculate the average inclination of pipe segments separated by the i-th group of inclinometers and the i + 1-th group of inclinometers according to the following formula:
wherein,(ii) the average slope in the first linear direction of the tube segments spaced for the ith set of inclinometers and the (i + 1) th set of inclinometers;(ii) the average slope in the second linear direction of the pipe segments spaced for the ith set of inclinometers and the (i + 1) th set of inclinometers;andthe inclinations obtained for one of the pairs of inclinometers in the ith group of inclinometers respectively;andthe inclination obtained by another pair of the inclinometers in the ith group of the inclinometers respectively;andthe inclinations obtained for one of the pairs of said inclinometers in the i +1 th group of said inclinometers, respectively;andthe inclination obtained by another pair of the inclinometers in the (i + 1) th group of the inclinometers respectively;
the total slope calculation module is used for calculating the total slope of the drill core hole according to the following formula:
wherein liThe distance separating the i-th group of inclinometers and the i + 1-th group of inclinometers;i is a positive integer, which is the overall slope of the drilled hole.
Further, the measuring instrument further comprises an analysis and evaluation module, which is used for comparing the total slope with a preset standard value and sending an alarm signal when the total slope is greater than the standard value.
Further, the inclinometer comprises a plurality of joint pipe bodies; the plurality of pipe joint bodies are fixedly connected through pipe joints and bolts.
Furthermore, all one end that the festival body links to each other all is provided with first mounting hole, be provided with on the pipe joint with the second mounting hole that first mounting hole corresponds, the bolt passes through first mounting hole with the second mounting hole will a plurality of festival body fixed connection.
Furthermore, a pulley is arranged on the outer wall of the inclinometer pipe.
Further, the pulley is fixedly connected to the tube body through a support.
Furthermore, the inclinometer pipe is made of PVC.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses a device for measuring the inclination of a drilled core hole, wherein an operator puts an inclinometer pipe down into the drilled core hole to be measured, and a plurality of groups of inclinometers arranged in the inclinometer pipe can simultaneously acquire the inclinations of different depths in the drilled core hole, so that the device is convenient to operate, the defect that the inclination can be acquired only repeatedly in the prior art is overcome, the measurement time is saved, and more comprehensive and multidimensional inclination information of the drilled core hole is acquired simultaneously, so that the subsequent analysis work on the quality of a foundation pile is facilitated.
Drawings
FIG. 1 is a schematic diagram of a core hole slope measurement apparatus according to the present invention;
FIG. 2 is a schematic layout view of a core hole slope measuring device according to the present invention;
fig. 3 is a schematic structural diagram of a joint body according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1 and 2, the present embodiment discloses a core hole inclination measuring device including:
the inclinometer 1 is arranged in a core drilling hole 51 of the foundation pile 5 to be measured and used for installing an inclinometer; the inclinometer pipe is made of a waterproof material with certain flexibility;
the n groups of inclinometers 2 are arranged on the inner wall of the tube cavity of the inclinometer 1 along the extension direction at intervals, and each group of inclinometers 2 is used for detecting the inclination information of a section in the tube cavity of the inclinometer; each set of inclinometers 2 comprises a plurality of inclinometers 2; wherein n is a positive integer;
and the measuring instrument 3 is connected with the n groups of inclinometers 2 and is used for receiving the inclination information of the plurality of sections in the pipe cavity of the inclinometer 1 and calculating the integral inclination of the drill core hole according to the inclination information of the plurality of sections and the spacing distance between the n groups of inclinometers 2.
And the power supply 4 is connected to the inclinometer 2 and supplies power to the inclinometer 2.
Through the above-mentioned disclosed bore hole slope measuring device, operating personnel transfers the deviational survey pipe to the bore hole of wanting to measure, and the multiunit inclinometer of setting in the deviational survey pipe can acquire the gradient of the different degree of depth in the bore hole simultaneously, and convenient operation has avoided can only repeat among the prior art to acquire the shortcoming of gradient many times, has saved measuring time, has obtained the more comprehensive more multidimensional slope information of bore hole simultaneously to follow-up going on to the analysis work of foundation pile quality.
Specifically, the inclinometer can be made of a PVC material, has good acid and alkali resistance, wear resistance, flame resistance and insulating property, and is good in flexibility and low in manufacturing cost.
Furthermore, each group of inclinometers comprises two pairs of inclinometers, and the installation positions of the two pairs of inclinometers are positioned on the same pipe section; each pair of inclinometers is symmetrically arranged relative to the center of the pipe section, wherein a first straight line direction formed by the positions of one pair of inclinometers and a second straight line direction formed by the positions of the other pair of inclinometers are perpendicular to each other.
Further, the surveying instrument comprises:
the segmented slope calculation module is used for calculating the average slope of the pipe sections spaced by the two adjacent groups of inclinometers by combining the gradients obtained by the two adjacent groups of inclinometers;
and the total slope calculation module is used for calculating the total slope of the drill core hole by combining the interval distances among the groups of inclinometers according to the average slope.
Further, the measuring instrument further comprises:
the grouping slope calculation module is used for calculating the average slope of the pipe sections separated by the ith group of inclinometers and the (i + 1) th group of inclinometers according to the following formula:
wherein,the average slope of the pipe sections separated by the ith group of inclinometers and the (i + 1) th group of inclinometers in the first straight line direction;the average slope of the pipe sections separated by the ith group of inclinometers and the (i + 1) th group of inclinometers in the second straight line direction;andthe gradients obtained by one pair of inclinometers in the ith group of inclinometers respectively;andthe inclination degrees obtained by the other pair of inclinometers in the ith group of inclinometers respectively;andthe inclinations of one pair of inclinometers in the (i + 1) th group of inclinometers are obtained respectively;andthe inclination degrees obtained by the other pair of inclinometers in the (i + 1) th group of inclinometers respectively;
the total slope calculation module is used for calculating the total slope of the drilling hole according to the following formula:
wherein liThe distance between the ith group of inclinometers and the (i + 1) th group of inclinometers;i is a positive integer for the overall slope of the drilled hole.
Furthermore, the measuring instrument also comprises an analysis and evaluation module which is used for comparing the total slope with a preset standard value and sending out an alarm signal when the total slope is greater than the standard value.
Further, the inclinometer 1 comprises a plurality of joint pipe bodies 11 which are connected in sequence, and specifically, the joint pipe bodies 11 are fixedly connected through pipe joints and bolts. The setting of a plurality of festival bodys for the deviational survey pipe can conveniently be dismantled and accomodate, and simultaneously, operating personnel also can change the length of deviational survey pipe according to the actual measurement demand, improves work efficiency.
Specifically, as shown in fig. 3, one end of each of the pipe joints 11 is provided with a first mounting hole 111, the pipe joint 12 is provided with a second mounting hole 121 corresponding to the first mounting hole 111, the bolts 13 fixedly connect the pipe joints 11 through the first mounting holes 111 and the second mounting holes 121, the fixing effect of the bolts is good, and the stability of the measuring device can be improved.
Further, as shown in fig. 2, the outer wall of the inclinometer 1 is provided with pulleys 6, specifically, two pairs of pulleys may be symmetrically arranged on the outer wall of each joint body 11, specifically, the pulleys are fixedly connected to the inclinometer through a support.
The friction between the inclinometer pipe and the drill core hole is reduced due to the arrangement of the pulleys, so that the inclinometer pipe can be rapidly transferred, and the working efficiency is improved.
Furthermore, the measuring instrument is also provided with a display screen for displaying a plurality of groups of inclination information, and an operator can quickly check the inclination information of the drill core hole through the display screen.
The above embodiments are only preferred embodiments of the present invention, and the present invention is not limited thereto in any way, so that any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention, unless departing from the technical solution of the present invention.

Claims (10)

1. A core hole slope measurement device, comprising:
the inclinometer tube is arranged in the drill core hole to be measured and used for installing an inclinometer; the inclinometer pipe is made of an elastic material;
the n groups of inclinometers are arranged on the inner wall of the tube cavity of the inclinometer at intervals along the extension direction, and each group of inclinometer is used for detecting the inclination information of a section in the tube cavity of the inclinometer; each set of said inclinometers comprises a plurality of inclinometers; wherein n is a positive integer;
and the measuring instrument is connected with the n groups of inclinometers and is used for receiving the inclination information of a plurality of sections in the pipe cavity of the inclinometer and calculating the integral inclination of the drill core hole according to the inclination information of the sections and the spacing distance between the n groups of inclinometers.
2. The apparatus of claim 1, wherein: each group of the inclinometers comprises two pairs of the inclinometers, and the installation positions of the two pairs of the inclinometers are positioned on the same pipe section; each pair of the inclinometers is symmetrically arranged relative to the center of the section of the pipe, wherein a first straight line direction formed by the positions of one pair of the inclinometers is vertical to a second straight line direction formed by the positions of the other pair of the inclinometers.
3. The apparatus of claim 2, wherein: the measuring instrument comprises:
the segmented slope calculation module is used for calculating the average slope of the pipe sections spaced by the two adjacent groups of inclinometers by combining the inclinations acquired by the two adjacent groups of inclinometers;
and the total slope calculation module is used for calculating the total slope of the drilling hole by combining the interval distances among the plurality of groups of inclinometers according to the average slope.
4. The apparatus of claim 3, wherein the gauge further comprises:
the group slope calculation module is configured to calculate the average inclination of pipe segments separated by the i-th group of inclinometers and the i + 1-th group of inclinometers according to the following formula:
wherein,(ii) the average slope in the first linear direction of the tube segments spaced for the ith set of inclinometers and the (i + 1) th set of inclinometers;(ii) the average slope in the second linear direction of the pipe segments spaced for the ith set of inclinometers and the (i + 1) th set of inclinometers;andthe inclinations obtained for one of the pairs of inclinometers in the ith group of inclinometers respectively;andthe inclination obtained by another pair of the inclinometers in the ith group of the inclinometers respectively;andthe inclinations obtained for one of the pairs of said inclinometers in the i +1 th group of said inclinometers, respectively;andthe inclination obtained by another pair of the inclinometers in the (i + 1) th group of the inclinometers respectively;
the total slope calculation module is used for calculating the total slope of the drill core hole according to the following formula:
wherein liThe distance separating the i-th group of inclinometers and the i + 1-th group of inclinometers;i is a positive integer, which is the overall slope of the drilled hole.
5. The apparatus of claim 4, wherein: the measuring instrument also comprises an analysis and evaluation module which is used for comparing the total slope with a preset standard value and sending out an alarm signal when the total slope is greater than the standard value.
6. The apparatus of claim 1, wherein: the inclinometer pipe comprises a plurality of pipe joint bodies; the plurality of pipe joint bodies are fixedly connected through pipe joints and bolts.
7. The apparatus of claim 6, wherein: all one of the connected end of the pipe joint body is provided with a first mounting hole, the pipe joint is provided with a second mounting hole corresponding to the first mounting hole, and the bolt passes through the first mounting hole and the second mounting hole to fixedly connect the plurality of pipe joint bodies.
8. The apparatus of claim 1, wherein: and pulleys are arranged on the outer wall of the inclinometer pipe.
9. The apparatus of claim 8, wherein: the pulley is fixedly connected to the joint pipe body through a support.
10. The apparatus of claim 1, wherein the inclinometer tube is made of PVC.
CN201811463935.8A 2018-12-03 2018-12-03 A kind of drill core hole slope measurement apparatus Pending CN109387183A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811463935.8A CN109387183A (en) 2018-12-03 2018-12-03 A kind of drill core hole slope measurement apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811463935.8A CN109387183A (en) 2018-12-03 2018-12-03 A kind of drill core hole slope measurement apparatus

Publications (1)

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CN109387183A true CN109387183A (en) 2019-02-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100011177A1 (en) * 2021-05-03 2022-11-03 Sisgeo S R L INCLINOMETER AND CHAIN OF INCLINOMETER

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202100011177A1 (en) * 2021-05-03 2022-11-03 Sisgeo S R L INCLINOMETER AND CHAIN OF INCLINOMETER
WO2022234369A1 (en) * 2021-05-03 2022-11-10 Sisgeo S.R.L. Inclinometer and chain of inclinometers

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