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CN105003087A - Ground hollow detection and repair method based on infrared imaging - Google Patents

Ground hollow detection and repair method based on infrared imaging Download PDF

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Publication number
CN105003087A
CN105003087A CN201510307591.1A CN201510307591A CN105003087A CN 105003087 A CN105003087 A CN 105003087A CN 201510307591 A CN201510307591 A CN 201510307591A CN 105003087 A CN105003087 A CN 105003087A
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China
Prior art keywords
slip casting
grouting
hollowing
ground
infrared imaging
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Granted
Application number
CN201510307591.1A
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Chinese (zh)
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CN105003087B (en
Inventor
任生元
王建莹
周文平
马震宇
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Changzhou Institute of building science group Limited by Share Ltd
Jiangsu Dingda Building New Technology Co., Ltd.
Jiangsu urban and rural construction, Career Academy
Original Assignee
CHANGZHOU ARCHITECTURAL RESEARCH INSTITUTE Co Ltd
JIANGSU DINGDA BUILDING NEW TECHNOLOGY Co Ltd
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Publication of CN105003087A publication Critical patent/CN105003087A/en
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Abstract

The invention discloses a ground hollow detection and repair method based on infrared imaging. The method comprises the following concrete steps of: a, hollow detection: determining the approximate position of a hollow by knocking at the hollow through a rubber hammer, using an infrared thermal imaging instrument in an auxiliary way on the basis for detecting the ground hollow, and making marks; b, hole forming: forming holes in marked hollow positions and crack positions; c, slurry seat arrangement and crack sealing by plaster; d, grouting: starting pressure grouting after the plaster is solidified, wherein materials used for grouting are high-permeability epoxy grouting materials; e, grouting effect detection: using a method of combining the rubber hammer knocking and the infrared imaging detection to determine the grouting effect after the grouting materials are hardened, performing drilling grouting again according to the sequence for unqualified places; f, slurry seat clearing; and g, grinding and color trimming. By adopting the mode, the method has the advantages that the steps are simple and reasonable; a good repair effect is achieved on the ground hollow; and the usability and the functionality of the ground of a building structure are ensured.

Description

A kind of floor empty drum based on infrared imaging is detected and restorative procedure
Technical field
The present invention relates to construction engineering technical field, particularly relate to a kind of floor empty drum based on infrared imaging and detect and restorative procedure.
Background technology
Ground is the important component part of indoor and outdoor spaces in building, and people are directly engaged in Activities on the ground, lay various furniture and equipment, complete the using function of building; Various friction, erosion and percussion will be stood in ground, therefore require that there is enough intensity on ground, and meet moistureproof, fire prevention and corrosion resistant requirement, also to there be certain sound insulation sound absorption function and elasticity, dust-proof, insulation and anti-flammability etc. needing the room possessing Special use requirement.
Usually there is hollowing, crack because of a variety of causes in ground surface layer, is not only repugnant to the eye, and also result in certain impact to its using function.For monolithic floor surface, its techonosphere way is substantially identical, and the main distinction is surface layer material therefor, plant equipment and construction method, and therefore its reason caused is also similar.Floor empty drum reason is mainly construction factor, material factor and environment for use, as bed course or substrate surface are cleared up clean, has floating ash or other dirts; During construction bed course or basic unit too drying cause water/binder ratio to be lacked of proper care, surface layer and bed course bond loosely, have during ponding and also can produce same situation; For strengthening the adhesion stress of surface layer and bed course and the installation opportunity of cement paste setting course brushed is incorrect or technique is immature; Shrinkage joint is arranged unreasonable, and basic unit's backfill is defective, is disturbed when intensity rises; Substrate concrete strength grade is too low, or with the cement that makes moist; Sand fineness is meticulous, mixes and stirs hourly water demand large, and water/binder ratio strengthens, and intensity reduces, and sand mud content is excessive, affects the adhesion stress of cement and sand, and these reasons all cause ground that hollowing phenomenon occurs than being easier to.In use, if the dynamic load that ground is born also may cause comparatively greatly the development of hollowing and cracking.
The hollowing main manifestations on ground is that the setting course of below ground has space, sometimes along with the appearance in crack.According to engineering experience in the past, namely gap >=the 0.05mm for setting course place thinks to there is hollowing.
Hollowing phenomenon can reduce the application life on ground, also causes interference to the normal usage function realizing building structure.Hollowing phenomenon is usually along with the appearance in crack, and this will shorten ground application life, affects visual effect, and the dust that flies out of crack, pollutes environment for use under vibration, particularly to requiring the factory building of dustfree environment or laboratory more so; Along with fracture extension, liquid, dust constantly enter, and expansion increases the weight of by hollowing area, and surface layer loosens gradually, become fragment and come off, and finally cause normally using.
At present, mainly contain two kinds to the restorative procedure of floor empty drum: one is cut breakages such as ground cracking, hollowings, then carries out large surface mending to the place of cutting, the method engineering quantity is large, and effect is bad; Another kind adopts slip casting method to repair floor empty drum, existing slip casting method is repaired floor empty drum technology and be there is many technological deficiencies, major embodiment is position and the size that accurately can not detect hollowing on the one hand, hand hammer is adopted to knock workload greatly and easily omit, be on the one hand that slip casting completes and accurately cannot detect slip casting effect in addition, comprise the non-slip casting in missed areas and accurately can not judge the full solidity of hollowing grouting liquid.
The application proposes a kind of novel floor empty drum based on infrared imaging based on above background and detects and restorative procedure.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of floor empty drum based on infrared imaging and detects and restorative procedure, and simple and reasonable steps has good repairing effect to floor empty drum, ensure that the usability of building floor and functional.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of floor empty drum based on infrared imaging to detect and restorative procedure, comprise following concrete steps:
A, hollowing are detected and are determined grouting amount and grouting pressure: knocked by rubber hammer, observe ground determine hollowing approximate location, be aided with infrared imagery technique and judge hollowing position and size, and make a mark; To the mode that dissimilar hollowing adopts " grouting amount controls and Stress control " to combine, guarantee the destruction can not causing hollowing arch camber or crack because slurries local pressure is excessive in slip casting process, also prevent from causing because local pressure is excessive slurries underfill hollowing just to terminate slip casting in advance simultaneously;
B, perforate: the hollowing place detected in step a and location of cracks dig the hole that some diameters are 8 ~ 20mm, arrange injected hole and venthole depending on concrete hollowing region;
C, layout slurry seat: bury slip casting slurry seat underground by the hole location offered in step b, if there is crack, applicating road repair sheets mudding closes all slits, note necessary reasonable distribution injected hole and venthole at hollowing position, avoiding giving vent to anger freely does not cause slip casting not full;
D, slip casting: after clay solidification, get final product initiation pressure slip casting, the slurry that slip casting adopts is Thief zone epoxy grouting material;
E, detection slip casting effect: after grouting agent sclerosis, adopt rubber hammer to knock the mode determination slip casting effect combined with infrared imagery technique, again carry out bored grouting in the manner described above for underproof region;
F, removing slurry seat: after slip casting effect to be detected is qualified, along crack, the polishing of concrete plate face is cleaned out, remove slurry seat simultaneously;
Look is repaiied in g, polishing: carry out repairing, repairing look with reference to the ground of repairing position adjacent.
In a preferred embodiment of the present invention, if arching upward appears in ground in step b, the situation of buckling deformation, certain counterweight need be applied at this position, make this position substantially return to line space drum process again after former absolute altitude.
In a preferred embodiment of the present invention, in steps d, slip casting process is specific as follows: by slurries pressure injection from slip casting slurry seat arranges a termination of circuit, when adjacent venthole starts grout, tighten with plug immediately, after about one minute, carry out the slip casting of next slurry seat again; Setting pressure is reached if there is grouting pressure, and adjacent venthole not grout and grouting amount is on the low side, we think that this is that local pressure is excessive and causes, and need terminate this hole slip casting immediately, make not isolabeling, change a hole; According to above-mentioned steps until when all starching seat grout, block all slurry seats, then voltage stabilizing 3-5 minute, make it fully closely knit.
The present invention has following beneficial effect:
1, restorative procedure of the present invention is a kind of non-excavation type restorative procedure, cuts repairing, have engineering quantity little compared to traditional large area, the advantage of easy construction;
2, the high osmosis epoxy grouting material of restorative procedure employing of the present invention, has mobility strong, good penetrability, the feature that adhesion strength is high, by applying certain pressure by the gap at high osmosis epoxy grouting material injection hollowing place and crack place, thus eliminate hollowing, dead-end fracture;
3, infrared imagery technique of the present invention comparatively accurately can detect the size of hollowing, and adopt " grouting amount controls and Stress control " to combine to dissimilar hollowing, guarantee the destruction can not causing hollowing arch camber or crack because slurries local pressure is excessive in slip casting process, also prevent from causing because local pressure is excessive slurries underfill hollowing just to terminate slip casting in advance simultaneously;
4, infrared imagery technique determination slip casting effect is adopted, the interruption injected hole excessive for local pressure and hollowing are detected underproof region and are re-started bored grouting, guarantee not occur to omit, ensure that the usability of building floor and functional, guarantee the integrality that floor empty drum is repaired.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention comprises:
Floor empty drum based on infrared imaging is detected and a restorative procedure, comprises following concrete steps:
A, hollowing are detected and are determined grouting amount and grouting pressure: knocked by rubber hammer, observe ground determine hollowing approximate location, be aided with infrared imagery technique and judge hollowing position and size, and make a mark; To the mode that dissimilar hollowing adopts " grouting amount controls and Stress control " to combine, guarantee the destruction can not causing hollowing arch camber or crack because slurries local pressure is excessive in slip casting process, also prevent from causing because local pressure is excessive slurries underfill hollowing just to terminate slip casting in advance simultaneously.
B, perforate: the hollowing place detected in step a and location of cracks dig the hole that some diameters are 8 ~ 20mm, arrange injected hole and venthole depending on concrete hollowing region; If the situation of buckling deformation appears in ground, certain counterweight need be applied at buckling deformation position, after making buckling deformation position substantially return to former absolute altitude, carry out hollowing process again.
C, layout slurry seat: bury slip casting slurry seat underground by the hole location offered in step b, if there is crack, applicating road repair sheets mudding closes all slits, note necessary reasonable distribution injected hole and venthole at hollowing position, avoiding giving vent to anger freely does not cause slip casting not full.
D, slip casting: after clay solidification, get final product initiation pressure slip casting, the slurry that slip casting adopts is Thief zone epoxy grouting material, slip casting is pressure injection from slip casting slurry seat arranges a termination of circuit, when adjacent venthole starts grout, tighten with plug immediately, after about one minute, carry out the slip casting of next slurry seat again; Setting pressure is reached if there is grouting pressure, and adjacent venthole not grout and grouting amount is on the low side, we think that this is that local pressure is excessive and causes, and need terminate this hole slip casting immediately, make not isolabeling, change a hole; According to above-mentioned steps until when all starching seat grout, block all slurry seats, then voltage stabilizing 3-5 minute, make it fully closely knit.
E, detection slip casting effect: after grouting agent sclerosis, adopt rubber hammer to knock the mode determination slip casting effect combined with infrared imagery technique, again carry out bored grouting in the manner described above for the interruption injected hole in underproof place and steps d.
F, removing slurry seat: after slip casting effect to be detected is qualified, along crack, the polishing of concrete plate face is cleaned out, remove slurry seat simultaneously.
Look is repaiied in g, polishing: carry out repairing, repairing look with reference to the ground of repairing position adjacent.
The present invention is applicable to the hollowing process of monolithic floor surface, plate surface layer and leveling layer and floor concrete deck or ground concrete bed course.With regard to surface layer kind, its scope of application is wider, as Portland Cement Concrete Surface Course, cement screedn, terrazzo facing, cement steel (iron) consider surface layer, oil-seepage surface layer to be worth doing, (explosion-proof) surface layer of misfiring, brick surface layer, marble surface, granite face, prefabricated chunk surface layer, work stone surface layer etc., practicality is stronger.
The present invention has following beneficial effect:
1, restorative procedure of the present invention is a kind of non-excavation type restorative procedure, cuts repairing, have engineering quantity little compared to traditional large area, the advantage of easy construction;
2, the high osmosis epoxy grouting material of restorative procedure employing of the present invention, has mobility strong, good penetrability, adhesion strength high, by applying certain pressure by the gap at high osmosis epoxy grouting material injection hollowing place and crack place, thus eliminate hollowing, dead-end fracture;
3, infrared imagery technique of the present invention comparatively accurately can detect the size of hollowing, and adopt " grouting amount controls and Stress control " to combine to dissimilar hollowing, guarantee the destruction can not causing hollowing arch camber or crack because slurries local pressure is excessive in slip casting process, also prevent from causing because local pressure is excessive slurries underfill hollowing just to terminate slip casting in advance simultaneously;
4, infrared imagery technique determination slip casting effect is adopted, the interruption injected hole excessive for local pressure and hollowing are detected underproof region and are re-started bored grouting, guarantee not occur to omit, ensure that the usability of building floor and functional, guarantee the integrality that floor empty drum is repaired.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.

Claims (3)

1. the floor empty drum based on infrared imaging is detected and a restorative procedure, it is characterized in that, comprises following concrete steps:
A, hollowing are detected: determine hollowing approximate location and crack location by knocking, observing ground, be aided with infrared imaging device and detect floor empty drum, based on the thermography that the thermo parameters method situation of infrared imaging is formed, intuitively, accurately, its structural form is shown rapidly, judge hollowing position and size accordingly, and make a mark;
B, perforate: the hollowing place detected in step a and location of cracks boring bar tool are holed, arrange injected hole and venthole depending on concrete hollowing region;
C, layout slurry seat: bury slip casting slurry seat underground by the hole location offered in step b, if there is crack, applicating road repair sheets mudding closes all slits, note necessary reasonable distribution injected hole and venthole at hollowing position, avoiding giving vent to anger freely does not cause slip casting not full;
D, slip casting: after clay solidification, get final product initiation pressure slip casting, the slurry that slip casting adopts is Thief zone epoxy grouting material;
E, detection slip casting effect: after grouting agent sclerosis, employing is knocked and is aided with infrared imaging device determination slip casting effect simultaneously again, re-starts bored grouting for underproof place according to above-mentioned steps;
F, removing slurry seat: after slip casting effect to be detected is qualified, along crack, the polishing of concrete plate face is cleaned out, remove slurry seat simultaneously;
Look is repaiied in g, polishing: carry out repairing, repairing look with reference to the ground of repairing position adjacent.
2. the floor empty drum based on infrared imaging according to claim 1 is detected and restorative procedure, it is characterized in that, if in step b there is the situation of buckling deformation in ground, certain counterweight need be applied at buckling deformation position, after making buckling deformation position substantially return to former absolute altitude, carry out hollowing process again.
3. the floor empty drum based on infrared imaging according to claim 1 is detected and restorative procedure, it is characterized in that, in steps d, slip casting process is specific as follows: by slurries pressure injection from slip casting slurry seat arranges a termination of circuit, when adjacent venthole starts grout, tighten with plug immediately, after about one minute, carry out the slip casting of next slurry seat again; Setting pressure is reached if there is grouting pressure, and adjacent venthole not grout and grouting amount is on the low side, this hole slip casting need be terminated immediately, make not isolabeling, change a hole; By that analogy, according to above-mentioned steps until when all starching seat grout, block all slurry seats, then voltage stabilizing 3-5 minute, make it fully closely knit.
CN201510307591.1A 2015-06-08 2015-06-08 A kind of floor empty drum based on infrared imaging is detected and restorative procedure Active CN105003087B (en)

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Cited By (15)

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CN105544368A (en) * 2015-12-07 2016-05-04 江美娣 Method and system for pre-repairing road before road damage
CN105672684A (en) * 2016-01-18 2016-06-15 曹颖 Construction methods for repairing ground stone hollowing
CN107313605A (en) * 2017-07-14 2017-11-03 深圳市坤巽建筑设计顾问有限公司 A kind of hollowing restorative procedure
CN107724704A (en) * 2016-08-11 2018-02-23 中国二十冶集团有限公司 The method for repairing and constructing of terrace hollowing cracking
CN107817298A (en) * 2017-10-24 2018-03-20 山东省建筑科学研究院 A kind of construction engineering quality detection means
CN108060796A (en) * 2018-01-02 2018-05-22 江苏尼高科技有限公司 Exterior wall slip casting repairing and reinforcing method
CN108086710A (en) * 2017-12-22 2018-05-29 武汉固立达建筑科技有限公司 A kind of method for repairing and mending and repair outfit in inside concrete crack
CN108709936A (en) * 2018-07-28 2018-10-26 河南东润电子有限公司 A kind of wall hollowing Measuring error device
CN109356395A (en) * 2018-09-03 2019-02-19 天津禾盛源新材料科技有限公司 A kind of perfusion mortar method exterior-wall heat insulation repairerment technique
CN111021772A (en) * 2019-12-26 2020-04-17 定州康拓科技有限公司 Automatic detection and repair method for floor laying hollowing in building
CN111335665A (en) * 2020-03-16 2020-06-26 上海宝冶集团有限公司 Construction method for repairing hollowing micropores of wear-resistant emery terrace
CN112482821A (en) * 2020-12-19 2021-03-12 方志伟 Puncture material injection building hollowing detection repairing device and detection method thereof
CN113092578A (en) * 2021-04-07 2021-07-09 上海应用技术大学 Method for rapidly detecting external thermal insulation pasting quality of building
CN113123633A (en) * 2021-04-30 2021-07-16 台州远信建设工程有限公司 Method for repairing concrete hollowing ground
CN113323433A (en) * 2021-05-20 2021-08-31 浙江宝盛建设集团有限公司 Construction method for reinforcing indoor hollowing terrace by adopting common scaffold and adopting reverse jacking and grouting

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544368A (en) * 2015-12-07 2016-05-04 江美娣 Method and system for pre-repairing road before road damage
CN105672684A (en) * 2016-01-18 2016-06-15 曹颖 Construction methods for repairing ground stone hollowing
CN105672684B (en) * 2016-01-18 2019-07-05 曹颖 A kind of construction method for repairing ground stone hollowing
CN107724704A (en) * 2016-08-11 2018-02-23 中国二十冶集团有限公司 The method for repairing and constructing of terrace hollowing cracking
CN107313605A (en) * 2017-07-14 2017-11-03 深圳市坤巽建筑设计顾问有限公司 A kind of hollowing restorative procedure
CN107817298A (en) * 2017-10-24 2018-03-20 山东省建筑科学研究院 A kind of construction engineering quality detection means
CN108086710A (en) * 2017-12-22 2018-05-29 武汉固立达建筑科技有限公司 A kind of method for repairing and mending and repair outfit in inside concrete crack
CN108060796A (en) * 2018-01-02 2018-05-22 江苏尼高科技有限公司 Exterior wall slip casting repairing and reinforcing method
CN108709936B (en) * 2018-07-28 2024-06-04 百盐(重庆)建筑工程股份有限公司 Wall hollowing detection maintenance device
CN108709936A (en) * 2018-07-28 2018-10-26 河南东润电子有限公司 A kind of wall hollowing Measuring error device
CN109356395A (en) * 2018-09-03 2019-02-19 天津禾盛源新材料科技有限公司 A kind of perfusion mortar method exterior-wall heat insulation repairerment technique
CN111021772A (en) * 2019-12-26 2020-04-17 定州康拓科技有限公司 Automatic detection and repair method for floor laying hollowing in building
CN111335665A (en) * 2020-03-16 2020-06-26 上海宝冶集团有限公司 Construction method for repairing hollowing micropores of wear-resistant emery terrace
CN112482821A (en) * 2020-12-19 2021-03-12 方志伟 Puncture material injection building hollowing detection repairing device and detection method thereof
CN113092578A (en) * 2021-04-07 2021-07-09 上海应用技术大学 Method for rapidly detecting external thermal insulation pasting quality of building
CN113092578B (en) * 2021-04-07 2024-07-30 上海应用技术大学 Method for rapidly detecting external heat preservation pasting quality of building
CN113123633A (en) * 2021-04-30 2021-07-16 台州远信建设工程有限公司 Method for repairing concrete hollowing ground
CN113323433A (en) * 2021-05-20 2021-08-31 浙江宝盛建设集团有限公司 Construction method for reinforcing indoor hollowing terrace by adopting common scaffold and adopting reverse jacking and grouting

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