CN106759116A - A kind of method for repairing and mending in the roomy crack of concrete - Google Patents
A kind of method for repairing and mending in the roomy crack of concrete Download PDFInfo
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- CN106759116A CN106759116A CN201710003539.6A CN201710003539A CN106759116A CN 106759116 A CN106759116 A CN 106759116A CN 201710003539 A CN201710003539 A CN 201710003539A CN 106759116 A CN106759116 A CN 106759116A
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- concrete
- crack
- inclined hole
- grouting
- distress
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
Abstract
The present invention relates to a kind of method for repairing and mending in the roomy crack of concrete.It is an object of the invention to provide a kind of method for repairing and mending in the roomy crack of concrete, it is intended to improve the repairing efficiency in the roomy crack of concrete, the safety and reliability of enhancement engineering operation, with good economic benefit and application prospect.The technical scheme is that：A kind of method for repairing and mending in the roomy crack of concrete, it is characterised in that comprise the following steps：1st, surface clean；2nd, the arrangement of grouting inclined hole；3rd, raggle；4th, filler；5th, it is in the milk；6th, crack protection.The present invention is applied to the roomy crack treatment engineerings of concrete such as Face Slab of Concrete-faced Rockfill, gate pier.
Description
Technical field
The present invention relates to a kind of method for repairing and mending in the roomy crack of concrete, CFRD face is primarily adapted for use in
The roomy crack treatment engineering of the concrete such as plate, gate pier.
Background technology
Building materials extensive use in engineering based on concrete, but due to structure stress condition, foundation deformation, temperature
The factors such as control, often result in it and produce crack.General width according to crack, depth and classified through condition etc. in engineering：
I class crack (Shallow crack)：Surface stitch width δ≤0.2mm and not through；
II class crack：Surface seam width 0.2mm ＜ δ≤0.5mm and not through or stitching width δ≤0.2mm and be through seam；
III class crack：Surface seam width δ >=0.5mm cracks, or stitch width δ >=0.2mm and be through seam.
In above-mentioned three classes crack, I class and II class fracture unit are relatively easy, and construction technology is convenient, the effect ratio of repairing
It is more satisfactory；But the IIIth class crack is defined as " wide because its seam larger, filleting wide is relatively deep or there is penetrability to structure
Large fracture ".Harm of this kind of crack to structure is larger, and the normal operation of building is influenceed when serious, therefore, each designing institute or applying
Various processing schemes have been formulated in work order position according to the loading characteristic of structure, but effect is totally not ideal enough；That is, engineering
The middle roomy fracture unit of concrete is still present certain difficulty.
The content of the invention
The technical problem to be solved in the present invention is：For above-mentioned problem, there is provided a kind of roomy crack of concrete
Method for repairing and mending, it is intended to improve the repairing efficiency in the roomy crack of concrete, the safety and reliability of enhancement engineering operation, with good
Good economic benefit and application prospect.
The technical solution adopted in the present invention is：A kind of method for repairing and mending in the roomy crack of concrete, it is characterised in that including
Following steps：
1st, surface clean：Before mending concrete crack, wire brushing concrete surface, and rinse mixed with giant
Solidifying soil cracking seam surface is clean by loose surface, silt and Fouling Cleaning；
2nd, the arrangement of grouting inclined hole：Using being drilled with blossom type cloth in distress in concrete both sides by the way of the inclined borehole that sews cloth
The grouting inclined hole put, and length of embedment h1 is crack depth of concrete half and through the inclined hole in the crack in grouting inclined hole
Grout pipe；
3rd, raggle：Extend 10~15cm chisels U to two ends on concrete surface centered on distress in concrete and along crack
Type groove；
4th, filler：By eliminating impurities in U-type groove and rinse well, after basal plane is completely dried, in U-type groove bottom and both sides
One layer of supporting primer of SR is first brushed, after primer dry tack free, the SR fillers that will cut into suitable shape are inserted in U-type groove, and are pressed
It is organized into smooth surface in fact；
5th, it is in the milk：The preceding opposite joint face of grouting hole-specifically enters water-filling, wind wheel and changes flushing, will be in the milk in inclined hole and distress in concrete seam face
Dust rinse post-grouting well, grouting pressure is controlled between 0.2~0.5MPa, after each grouting inclined hole grouting terminates, and
When the hole mouth of pipe leather hose of inclined hole grout pipe is pricked dead or aperture has been closed with other methods, after after grout cures, cut off aperture
Pipe, it is then with SR fillers that surface is floating；
6th, crack protection：The distress in concrete after treatment is protected using ethylene-propylene-diene monomer glue-type SR antiseepages cover plate,
Before SR antiseepage cover plates are pasted, concrete surface is cleaned out and ensures that it is dried, then needing to paste SR antiseepage cover plates
Brush the supporting primers of SR in concrete surface position.
The pitch-row d1 of the grouting inclined hole is 0.4~0.6m, and aperture is not less than 16mm, the center line and coagulation of the inclined hole that is in the milk
The horizontal range d2 of soil cracking seam is 10~20cm, and grouting inclined hole and distress in concrete angle are 45 °~60 °；The inclined hole grouting
Pipe is firmly bonded using epoxy glue solution, and the hole mouth of pipe periphery of the grout pipe is sealed using SR fillers.
The width of rebate d3 of the U-type groove is 10cm, and depth h2 is 5cm.
The beneficial effects of the invention are as follows：The present invention is to solve the problems, such as the repairing in concrete " roomy crack ", with reference to domestic and international
To the repairing experience in the roomy crack of the concrete such as Face Slab of Concrete-faced Rockfill, gate pier in a large amount of engineerings, it is proposed that Yi Zhongjie
Structure is simple, the method for repairing and mending in convenient, the safe and reliable roomy crack of concrete of constructing；Improve the repairing in the roomy crack of concrete
Efficiency, with stronger practicality, good economic benefit and application prospect, can provide for the crack treatment of follow-up similar engineering
With reference to.
Brief description of the drawings
Fig. 1 is horizontal layout schematic diagram of the invention；
Fig. 2 is generalized section of the invention；
Fig. 3 is partial enlarged drawing of the invention.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, the present embodiment is a kind of method for repairing and mending in the roomy crack of concrete, it is characterised in that
Comprise the following steps：
1st, surface clean：Before mending concrete crack 102, wire brushing concrete surface 101, and use giant
The surface of distress in concrete 102 is rinsed, loose surface, silt, dirt etc. are cleaned up, polished with angle grinder if necessary；
2nd, the arrangement of grouting inclined hole 1：For concrete " roomy crack ", using by the way of the inclined borehole that sews cloth in concrete
The both sides of crack 102 are drilled with the grouting inclined hole 1 arranged in blossom type, and length of embedment h1 is distress in concrete in grouting inclined hole 1
102 depth half or so, with the inclined hole grout pipe 2 through the crack as principle；
The pitch-row d1 of inclined hole 1 of being in the milk is generally 0.4~0.6m, and aperture is not less than 16mm, the center line of the inclined hole 1 that is in the milk with it is mixed
The horizontal range d2 of solidifying soil cracking seam 102 is 10~20cm, and grouting inclined hole is 45 °~60 ° with the angle theta of distress in concrete 102；
Inclined hole grout pipe 2 is firmly bonded using epoxy glue solution, and hole mouth of pipe surrounding is sealed using SR fillers 4, it is ensured that grout pipe
Periphery is in sealing state；
3rd, raggle：The concrete damaged to remove the periphery of distress in concrete 102, thorough closed concrete crack 102, mixed
Extend 10~15cm chisel U-type grooves 3, U-type groove 3 to two ends on solidifying soil matrix face 101 centered on distress in concrete 102 and along crack
Width of rebate d3 be generally 10cm or so, depth h2 is generally 5cm or so；During U-type groove is dug, should take and accordingly arrange
Apply, reduce the damage that the factors such as construction vibrations cause periphery concrete surface 101；
4th, filler：By eliminating impurities in U-type groove 3 and rinse well, after basal plane is completely dried, in the bottom of U-type groove 3 and two
One layer of supporting primer of SR is first brushed in side, after primer dry tack free, SR fillers 4 is cut into suitable shape (SR filler main performances
Index is shown in Table and 1) insert in U-type groove 3, and compacting is organized into smooth surface；The SR fillers 4 of pointing should be with concrete surface 101
Interface contact is good, it is ensured that sealing, it is to avoid grouting slurries are emerged along contact surface；
Table 1SR plastic filler main performance index
5th, it is in the milk：The preceding opposite joint face of grouting hole-specifically enters water-filling, wind wheel and changes flushing, will be in the milk in inclined hole 1 and distress in concrete 102
The dust in seam face is rinsed well, and finds out that inclined hole grout pipe 2 is unimpeded, seam face is ganged up and filleting leakage situation；After the completion of flushing, should
Valve on all hole mouths is fully open, will be in the milk in inclined hole 1 with compressed air, the ponding in distress in concrete 102 blows crowded
Totally, reach seam face to dry or anhydrous state；Grouting pressure is controlled between 0.2~0.5MPa, actual according to coagulation soil cracking
Width, infusion time and the groundwater increment for stitching 102 carry out Comprehensive Control, determine also dependent on industrial experimentation；
After each grouting inclined hole 1 grouting terminates, in time the hole mouth of pipe of inclined hole grout pipe 2 is pricked dead with leather hose or use other sides
Method has closed aperture；It is then with SR fillers 4 that surface is floating after orifice tube after grout cures, is cut off；
6th, crack protection：Protected using the distress in concrete 102 after the 5 pairs for the treatment of of ethylene-propylene-diene monomer glue-type SR antiseepages cover plate
Shield (SR antiseepage cover plate main performance index are shown in Table 2), before SR antiseepages cover plate 5 is pasted, must clean out concrete surface 101
And ensure that it dries, is needing the position of concrete surface 101 for pasting SR antiseepages cover plate 5 to brush the supporting primers of SR.
The SR antiseepage cover plate main performance index of table 2
Claims (3)
1. the method for repairing and mending in the roomy crack of a kind of concrete, it is characterised in that comprise the following steps：
1.1st, surface clean：Before mending concrete crack (102), wire brushing concrete surface (101), and use water under high pressure
Rifle rinses distress in concrete (102) surface, and loose surface, silt and Fouling Cleaning is clean；
1.2nd, the arrangement of grouting inclined hole (1)：Using being drilled with plum in distress in concrete (102) both sides by the way of the inclined borehole that sews cloth
Flower pattern arrangement grouting inclined hole (1), and grouting inclined hole (1) interior length of embedment h1 be distress in concrete (102) depth half and
Through the inclined hole grout pipe (2) in the crack；
1.3rd, raggle：Extend 10 to two ends on concrete surface (101) centered on distress in concrete (102) and along crack
~15cm digs U-type groove (3)；
1.4th, filler：By eliminating impurities in U-type groove (3) and rinse well, after basal plane is completely dried, in U-type groove bottom and two
One layer of supporting primer of SR is first brushed in side, and after primer dry tack free, the SR fillers (4) that will cut into suitable shape insert U-type groove (3)
It is interior, and compacting is organized into smooth surface；
1.5th, it is in the milk：The preceding opposite joint face of grouting hole-specifically enters water-filling, wind wheel and changes flushing, will be in the milk in inclined hole (1) and distress in concrete
(102) dust in seam face rinses post-grouting well, and grouting pressure is controlled between 0.2~0.5MPa, and each grouting inclined hole (1) fills
After slurry terminates, in time the hole mouth of pipe leather hose of inclined hole grout pipe (2) is pricked dead or closed aperture with other methods, treat that slurries coagulate
Gu after, orifice tube is cut off, it is then with SR fillers (4) that surface is floating；
1.6th, crack protection：The distress in concrete (102) after treatment is carried out using ethylene-propylene-diene monomer glue-type SR antiseepages cover plate (5)
Protection, before SR antiseepages cover plate (5) are pasted, concrete surface (101) is cleaned out and ensures that it is dried, then needing to paste
Brush the supporting primers of SR in concrete surface (101) position of SR antiseepages cover plate (5).
2. the method for repairing and mending in the roomy crack of a kind of concrete according to claim 1, it is characterised in that：The grouting inclined hole
(1) pitch-row d1 is 0.4~0.6m, and aperture is not less than 16mm, the be in the milk center line of inclined hole and the level of distress in concrete (102)
It is 10~20cm apart from d2, grouting inclined hole and distress in concrete (102) angle are 45 °~60 °；The inclined hole grout pipe (2) is adopted
It is firmly bonded with epoxy glue solution, the hole mouth of pipe periphery of the grout pipe is sealed using SR fillers (4).
3. the method for repairing and mending in the roomy crack of a kind of concrete according to claim 1 and 2, it is characterised in that：The U-type groove
(3) width of rebate d3 is 10cm, and depth h2 is 5cm.
Priority Applications (1)
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| CN201710003539.6A CN106759116B (en) | 2017-01-04 | 2017-01-04 | A kind of method for repairing and mending in the roomy crack of concrete |
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| CN201710003539.6A CN106759116B (en) | 2017-01-04 | 2017-01-04 | A kind of method for repairing and mending in the roomy crack of concrete |
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| CN106759116A true CN106759116A (en) | 2017-05-31 |
| CN106759116B CN106759116B (en) | 2019-06-14 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326868A (en) * | 2017-07-17 | 2017-11-07 | 江苏艺博防水防腐工程有限公司 | A kind of large reservoir concrete dam body fracture plugging method |
| CN108386005A (en) * | 2018-04-08 | 2018-08-10 | 中国电建集团成都勘测设计研究院有限公司 | Repairing concrete crack structure and method for repairing and mending |
| CN108755334A (en) * | 2018-06-11 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | A kind of method that concrete road planar defect is quickly repaired |
| CN108952206A (en) * | 2018-09-07 | 2018-12-07 | 中铁十四局集团第四工程有限公司 | A kind of restorative procedure in the discontinuous crack of concrete construction body |
| CN112281768A (en) * | 2020-10-13 | 2021-01-29 | 西安理工大学 | Method for repairing spillway high-speed water flow deep large pit |
| CN113294008A (en) * | 2021-05-29 | 2021-08-24 | 重庆海发工程项目管理咨询有限公司 | Building crack repairing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234567C1 (en) * | 2003-04-28 | 2004-08-20 | Государственное научное учреждение Поволжский научно-исследовательский институт эколого-мелиоративных технологий | Method for sealing functional joints of hydraulic structures, functional joints (variants) and glue composition for sealing thereof |
| CN105239789A (en) * | 2015-10-25 | 2016-01-13 | 赵涛 | Construction process for plugging and consolidating concrete crack through chemical grouting |
| CN105274967A (en) * | 2014-05-30 | 2016-01-27 | 江海滢 | Repairing method for hydraulic concrete crack |
| CN105442863A (en) * | 2015-11-23 | 2016-03-30 | 广东赛力克建筑技术工程有限公司 | Method for concrete structural crack repair |
| CN105714739A (en) * | 2016-02-01 | 2016-06-29 | 辽宁省水利水电科学研究院 | Novel process for preventing secondary cracking repair in grooving-method leakage treatment |
-
2017
- 2017-01-04 CN CN201710003539.6A patent/CN106759116B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2234567C1 (en) * | 2003-04-28 | 2004-08-20 | Государственное научное учреждение Поволжский научно-исследовательский институт эколого-мелиоративных технологий | Method for sealing functional joints of hydraulic structures, functional joints (variants) and glue composition for sealing thereof |
| CN105274967A (en) * | 2014-05-30 | 2016-01-27 | 江海滢 | Repairing method for hydraulic concrete crack |
| CN105239789A (en) * | 2015-10-25 | 2016-01-13 | 赵涛 | Construction process for plugging and consolidating concrete crack through chemical grouting |
| CN105442863A (en) * | 2015-11-23 | 2016-03-30 | 广东赛力克建筑技术工程有限公司 | Method for concrete structural crack repair |
| CN105714739A (en) * | 2016-02-01 | 2016-06-29 | 辽宁省水利水电科学研究院 | Novel process for preventing secondary cracking repair in grooving-method leakage treatment |
Non-Patent Citations (3)
| Title |
|---|
| 张诚: "《水工建筑物与闸坝机电设备检修》", 30 April 2012 * |
| 肖翔等: "《病险水工程裂缝修补技术》", 31 May 2009 * |
| 齐金苑: "《水利工程建设百科全书（运营管理、养护修理卷）》", 31 August 2003 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326868A (en) * | 2017-07-17 | 2017-11-07 | 江苏艺博防水防腐工程有限公司 | A kind of large reservoir concrete dam body fracture plugging method |
| CN108386005A (en) * | 2018-04-08 | 2018-08-10 | 中国电建集团成都勘测设计研究院有限公司 | Repairing concrete crack structure and method for repairing and mending |
| CN108755334A (en) * | 2018-06-11 | 2018-11-06 | 中水电第十工程局（郑州）有限公司 | A kind of method that concrete road planar defect is quickly repaired |
| CN108952206A (en) * | 2018-09-07 | 2018-12-07 | 中铁十四局集团第四工程有限公司 | A kind of restorative procedure in the discontinuous crack of concrete construction body |
| CN112281768A (en) * | 2020-10-13 | 2021-01-29 | 西安理工大学 | Method for repairing spillway high-speed water flow deep large pit |
| CN113294008A (en) * | 2021-05-29 | 2021-08-24 | 重庆海发工程项目管理咨询有限公司 | Building crack repairing method |
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