CN102817382B - The repairerment construction method of basement deformation joint seepage - Google Patents
The repairerment construction method of basement deformation joint seepage Download PDFInfo
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- CN102817382B CN102817382B CN201210312967.4A CN201210312967A CN102817382B CN 102817382 B CN102817382 B CN 102817382B CN 201210312967 A CN201210312967 A CN 201210312967A CN 102817382 B CN102817382 B CN 102817382B
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- movement joint
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Abstract
The invention provides the repairerment construction method of a kind of basement deformation joint seepage, use on the basis of band water by force stifled, slip casing by pressure sealing, set up water expandable waterstop, external labeling type waterstop (steel plate and chemical bolt are fixed) and offer drainage groove, the method that diversion to plash combines carries out the seepage treatment of basement deformation joint, the construction method safety and environmental protection of the present invention, can meet use and the safety requirements of building.Can effectively repair the seepage of basement deformation joint, meanwhile, accomplish to prevent, arrange combination, comprehensive control, mending-leakage is effective.
Description
Technical field
The present invention relates to a kind of construction techniques, the repairerment construction method of a kind of basement deformation joint seepage.
Background technology
At present, the leakage problems at basement deformation joint position is fairly common, the percolating water at general basement deformation joint position
Having two kinds of forms, first is owing to the pre-embedded steel slab corrosion of movement joint position is serious so that percolating water is through steel plate with concrete even
The gap at the place of connecing is oozed out.Second is that percolating water is saturating owing to movement joint position external labeling type waterstop is damaged or fixation steel plate is not compacted
Cross waterstop damaged part or bolt hole oozes out.And cause the reason of movement joint part leakage also to include in addition to above two:
Fixation do not taked by former embedded type waterstop, causes being deformed during concreting；Former embedded type waterstop both wings
Concrete wraps up tight or leakiness of vibrating；Reinforcing bar is overstocked, and concreting method is improper, causes aggregate to concentrate on bottom；Become
Shape seam position distortions displacement is relatively big, and former embedded type waterstop is by drawing crack.
Existing process is that the way using " slip casing by pressure " blocks, but owing to movement joint position is in dynamic environment
Under, this kind of method for blocking can only be effective in a short time, and once this position produces phase para-position under deformation, the factor effect such as flexible
Move, it will slip casting plugging material drawing crack, cause repairing governance failure.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, it is provided that the repairerment construction of a kind of basement deformation joint seepage
Method.
The purpose of the present invention is achieved through the following technical solutions:
The repairerment construction method of basement deformation joint seepage, comprises the steps:
Step one, basic unit and movement joint pretreatment；
Step 2, preliminary sealing, installing the polyphenyl bar of an a diameter of 10mm in the movement joint road of pretreatment, poly-
Benzene bar along movement joint road move towards install, then with loss circulation material, movement joint is carried out band water and blocks up by force, at the beginning of making movement joint close and formed
Step sealing, blocks by force and is imbedded by grout nipple when closing, and the surrounding of grout nipple is carried out sealing blocking；
Step 3, cut-out leak paths, use the method for slip casing by pressure to be filled with movement joint road, until grout nipple overflows
Till slurry, and reserved groove；
Step 4, reinforcement leak stopping, bury water-swelling rubber water bar underground in the reserved groove in movement joint；
Step 5, final sealing, the both sides concrete surface at movement joint surface and movement joint only covers external labeling type rubber
Water band, is covered steel plate on external labeling type rubber fastening band, and steel plate and external labeling type rubber fastening band is fixed by chemical bolt
It is covered on movement joint.
Preferably, basic unit and movement joint pretreatment in described step one comprise the steps, when movement joint position is pre-buried
When steel plate corrosion is serious, needs first to cut concrete at least 80mm along movement joint pre-embedded steel slab both sides deep comprehensively, remove former movement joint
Pre-embedded steel slab, waterstop, by basic unit's face chipping；When movement joint position external labeling type waterstop is damaged or fixation steel plate is not compacted,
Former waterstop and fixing bolt, steel plate depression bar structure need to be removed, movement joint road is completely exposed；Finally miscellaneous by movement joint road
Thing is cleaned out.
Preferably, in described step 3, the material of slip casing by pressure is the polyurethanes slurry of water-swellable, solidification, described step
It is 20mm that movement joint in rapid three reserves ditch groove depth.
Preferably, external labeling type rubber water-proof bandwidth 300-500mm in described step 5, thick at least 10mm, described steel
Plate thickness is 10-12mm.
Preferably, described construction method also includes the step offering drainage groove, and described drainage groove is opened in basement
Ground appropriate location, movement joint position, for causing basement drainage ditch or plash by the percolating water of movement joint.
The beneficial effects are mainly as follows: the construction method construction science of the present invention, system are reasonable, analyze tight
Sincerely, can effectively repair the seepage of basement deformation joint, meanwhile, the construction method safety and environmental protection of the present invention, building can be met
Use and safety requirements.Repairerment to movement joint part leakage, uses on the basis of band water by force stifled, slip casing by pressure sealing,
Setting up water expandable waterstop, external labeling type waterstop (steel plate and chemical bolt are fixed) and offer drainage groove, diversion is to hydrops
The method that hole combines processes, and anti-, row combines, comprehensive control.
Detailed description of the invention
Present invention is disclosed the repairerment construction method of a kind of basement deformation joint seepage, comprise the steps:
Step one, basic unit and movement joint pretreatment；
Step 2, preliminary sealing, installing the polyphenyl bar of an a diameter of 10mm in the movement joint road of pretreatment, poly-
Benzene bar along movement joint road move towards install, then with loss circulation material, movement joint is carried out band water and blocks up by force, at the beginning of making movement joint close and formed
Step sealing, blocks by force and is imbedded by grout nipple when closing, and the surrounding of grout nipple is carried out sealing blocking.Loss circulation material uses this area
In normally used water do not leak, leak stopping king etc..
Step 3, cut-out leak paths, use the method for slip casing by pressure to be filled with movement joint road, until grout nipple overflows
Till slurry, and reserved groove；
Step 4, reinforcement leak stopping, bury water-swelling rubber water bar underground in the reserved groove in movement joint；
Step 5, final sealing, the both sides concrete surface at movement joint surface and movement joint only covers external labeling type rubber
Water band, is covered steel plate on external labeling type rubber fastening band, and steel plate and external labeling type rubber fastening band is fixed by chemical bolt
It is covered on movement joint.
Owing to the seepage of basement has two kinds of forms substantially, use different preprocess methods according to different forms.Pin
Serious to the pre-embedded steel slab corrosion of movement joint position, percolating water passes through the situation that the gap of steel plate and concrete junction is oozed out, step
In rapid one, basic unit and movement joint pretreatment need first to cut comprehensively, remove the structures such as former movement joint pre-embedded steel slab, waterstop, then
Repair according still further to subsequent step method.
For movement joint position external labeling type waterstop is damaged or fixation steel plate is not compacted, percolating water passes through waterstop breakage portion
Position or bolt hole situation about oozing out, then need not first cut comprehensively, remove former movement joint pre-embedded steel slab, only remove former waterstop and
The fixing structure such as bolt, steel plate, subsequent step method carries out repairing construction the most again.
The construction procedure of the present invention under illustrating in detail below:
Step one, dismounting work
Serious for the pre-embedded steel slab corrosion of movement joint position, percolating water oozes out through the gap of steel plate with concrete junction
Situation, need first to cut concrete at least 80mm along movement joint pre-embedded steel slab both sides deep comprehensively, remove former movement joint pre-buried steel
Plate, waterstop etc. construct, and by basal plane chipping.
For movement joint position external labeling type waterstop is damaged or fixation steel plate is not compacted, percolating water passes through waterstop breakage portion
The situation that position or bolt hole ooze out, removes former waterstop and the structure such as fixing bolt, steel plate press strip, is exposed in movement joint road
Come.
Step 2, cleaning seam road
Remove the various foreign material such as rubbish, styrofoam in movement joint, movement joint road is cleaned out completely.
Step 3, bury polyphenyl bar
Installing the polyphenyl bar of an a diameter of 10mm in the movement joint road cleaned out, polyphenyl Tiao Yanfeng moves towards in road peace
Dress, as the center aggregate of grouting liquid material.
Step 4, band water block up by force
Use High-efficient Water not leak or polymer encapsulating material band water blocks up by force, close movement joint preliminary sealing.On movement joint
Mouth reserves the deep groove of about 20mm, in order to bury water expandable waterstop underground.
Step 5, bury grouting nozzle
While step 4 closes movement joint, install special grout nipple, carry out close with Special seal material around grout nipple
Envelope.Described grout nipple carries out the selection of quantity as required and arranges.
Step 6, pressure testing and benefit envelope
Check the ventilatory conditions between each grout nipple, close all grout nipples, with the detergent inspection closing after dilution
Crack, with or without gas leakage, if producing gas leakage, reseals with function building encapsulant.
Step 7, slip casing by pressure
Grouting liquid being injected filling device, starts air compressor machine, regulation pressure is to 0.2Mpa, and certain force value can be according to reality
Situation determines, starts grouting, maintains pressure time >=3 minute.Ortho position grout nipple then seals mouth such as the slurry that relatively early overflows, and continues to pressure
Overflowing to the 3rd grout nipple and starch as extremely, now change and continue grouting from the 3rd grout nipple, next coming in order are analogized.
In order to ensure that slurry is filled up completely with movement joint, the grouting of side plate spreading mass is general by the grout nipple of lower section upward
Grout nipple grouting is carried out.
Step 8, observe, mend slurry
It is in the milk and need to continue to observe grouting effect, owing to passage is in deformation state, therefore may need the most repeatedly to note
Slurry.
Step 9, bury chemical bolt underground
Remove the movement joint of former pre-embedded steel slab, respectively bury two row Φ 12 chemical bolts, chemical bolt along movement joint both sides underground
Spacing and specification arrange according to actual needs and use.
Step 10, bury water-swelling rubber water bar
Water-swelling rubber water bar is buried underground in the groove that movement joint reserves.
Step 11, paving rubber fastening band
Junction of the edges of two sheets of paper paving external labeling type rubber fastening band, rubber water-proof bandwidth 400mm, thick 10mm, solid with steel plate, chemical bolt
Fixed.Require before paving that concrete surface is smooth, smooth, need if desired to carry out polishing process with polishing machine.
Step 12, make, steel plate is installed
Make 10-12mm steel plate according to the form of the bolt arranged and movement joint, and install fixing.
Step 13, make, rustless steel cover plate is installed
Complete above-mentioned each procedure, and after observing a period of time, observe the effect of grouting to waterproof, as percolating water only fails
Live, continuation grouting of still needing, if sealing, make and install rustless steel cover plate and cover movement joint position.
Step 14, offer drainage groove
Seepage occurs again, at movement joint after causing above-mentioned waterproof measure impaired for preventing movement joint position gross distortion
Drainage groove is offered in appropriate location, region, it would be possible to the slight percolating water in local of appearance causes basement drainage ditch or plash.
The specification of drainage groove determines according to on-site actual situations.
Prior art is only directly use the method for slip casing by pressure to repair, when running into movement joint generation displacement,
Plugging effect is unsatisfactory.The present invention had carried out preliminary sealing, for not to deformation seamed belt water is stifled by force before slip casing by pressure
Same leakiness takes the preprocess method on different movement joint surfaces, simultaneously the most further by increasing after slip casing by pressure
Add water expandable waterstop and external labeling type rubber fastening band carries out dual leakproof again.
The present invention still has multiple specific embodiment, all employing equivalents or equivalent transformation and all skills of being formed
Art scheme, within all falling within the scope of protection of present invention.
Claims (3)
1. the repairerment construction method of basement deformation joint seepage, it is characterised in that: comprise the steps:
Step one, basic unit and movement joint pretreatment；
Step 2, preliminary sealing, installing the polyphenyl bar of an a diameter of 10mm, polyphenyl bar in the movement joint road of pretreatment
Along movement joint road move towards install, then with loss circulation material, movement joint is carried out band water and blocks up by force, make movement joint close formed preliminary only
Water, blocks by force and is imbedded by grout nipple when closing, and the surrounding of grout nipple is carried out sealing blocking；
Step 3, cut-out leak paths, use the method for slip casing by pressure to be filled with movement joint road, until grout nipple overflows, slurry is
Stop, and reserved groove；
Step 4, reinforcement leak stopping, bury water-swelling rubber water bar underground in the reserved groove in movement joint；
Step 5, final sealing, the both sides concrete surface at movement joint surface and movement joint covers external labeling type rubber fastening band,
External labeling type rubber fastening band covers steel plate, and is covered in fixing to steel plate and external labeling type rubber fastening band by chemical bolt
On movement joint；
Basic unit and movement joint pretreatment in described step one comprise the steps, when movement joint position, pre-embedded steel slab corrosion is serious
Time, need first to cut concrete at least 80mm along movement joint pre-embedded steel slab both sides deep comprehensively, remove former movement joint pre-embedded steel slab, sealing
Band, by basic unit's face chipping；When movement joint position external labeling type waterstop is damaged or fixation steel plate is not compacted, former waterstop need to be removed
And fixing bolt, steel plate depression bar structure, movement joint road is completely exposed；Finally the foreign material in movement joint road are cleaned out；Institute
Stating external labeling type rubber water-proof bandwidth 300-500mm in step 5, thick at least 10mm, steel plate thickness is 10-12mm.
2. the repairerment construction method of basement deformation joint seepage as claimed in claim 1, it is characterised in that: in described step 3
The material of slip casing by pressure is the polyurethanes slurry of water-swellable, solidification, and the movement joint in described step 3 is reserved ditch groove depth and is
20mm。
3. the repairerment construction method of basement deformation joint seepage as claimed in claim 1, it is characterised in that: described construction method
Also including the step offering drainage groove, described drainage groove is opened in ground appropriate location, basement deformation joint position,
For the percolating water of movement joint is caused basement drainage ditch or plash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312967.4A CN102817382B (en) | 2012-08-30 | 2012-08-30 | The repairerment construction method of basement deformation joint seepage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312967.4A CN102817382B (en) | 2012-08-30 | 2012-08-30 | The repairerment construction method of basement deformation joint seepage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102817382A CN102817382A (en) | 2012-12-12 |
| CN102817382B true CN102817382B (en) | 2016-12-21 |
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| CN201210312967.4A Expired - Fee Related CN102817382B (en) | 2012-08-30 | 2012-08-30 | The repairerment construction method of basement deformation joint seepage |
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| CN109457571B (en) * | 2018-11-16 | 2020-10-02 | 中铁二十三局集团第四工程有限公司 | Construction method for repairing ground deformation joint |
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| CN111794288A (en) * | 2020-05-29 | 2020-10-20 | 中国一冶集团有限公司 | Device for fixing pipe gallery back-attached water stop belt and construction method |
| CN113719147A (en) * | 2021-07-29 | 2021-11-30 | 孙淮伟 | City piping lane seepage expansion joint repair system |
| CN113503056A (en) * | 2021-08-11 | 2021-10-15 | 苏州佳固士新材料科技有限公司 | Building deformation joint leakage maintenance method |
| CN114263258B (en) * | 2021-12-13 | 2023-05-02 | 河北西柏坡第二发电有限责任公司 | Plugging device and plugging method for deformation joint of pressure ditch of cooling tower of thermal power plant |
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Address after: Wuzhong Economic Development Zone in Suzhou City, Jiangsu province 215000 Yuexi No. 1368 Street Wuzhong Avenue, building 3 Applicant after: SUZHOU INSTITUTE OF BUILDING SCIENCE GROUP Co.,Ltd. Address before: 215000 No. 1979 Binhe Road, Jiangsu, Suzhou Applicant before: SUZHOU ACADEMY OF BUILDING RESEARCH |
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