CN103437432A - Concrete crack surface cut groove sealing and blocking structure and method - Google Patents
Concrete crack surface cut groove sealing and blocking structure and method Download PDFInfo
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- CN103437432A CN103437432A CN2013102449203A CN201310244920A CN103437432A CN 103437432 A CN103437432 A CN 103437432A CN 2013102449203 A CN2013102449203 A CN 2013102449203A CN 201310244920 A CN201310244920 A CN 201310244920A CN 103437432 A CN103437432 A CN 103437432A
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- 238000007789 sealing Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000000903 blocking effect Effects 0.000 title claims abstract description 12
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000010276 construction Methods 0.000 claims abstract description 25
- 238000005520 cutting process Methods 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000004570 mortar (masonry) Substances 0.000 claims description 15
- 230000009429 distress Effects 0.000 claims description 12
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000004568 cement Substances 0.000 claims description 5
- 239000011083 cement mortar Substances 0.000 claims description 5
- 239000004588 polyurethane sealant Substances 0.000 claims description 5
- 230000001788 irregular Effects 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000007664 blowing Methods 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000035882 stress Effects 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 206010020880 Hypertrophy Diseases 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a concrete crack surface cut groove sealing and blocking structure and a concrete crack surface cut groove sealing and blocking method. Through adopting the small-width-to-depth-ratio cut groove sealing and blocking technology, concrete cracks can be effectively repaired or reinforced. Firstly, a proper handheld angle grinding machine is adopted, a matched and proper angle grinding machine is selected for grinding sheets, the concrete is cut into a plurality of end-to-end fold lines along the cracks or construction seams, the cutting is completed, pressure water is adopted for clean flushing, accumulated water in the grooves is naturally dried in the air or is dried through blowing, then, cementing materials are filled for seam sealing, and when the cutting seams need to be widened, a double-angle grinding machine can be adopted for grinding sheet parallel cutting. The structure and the method provided by the invention have the advantages that the construction is fast and convenient, economy and applicability are realized, the environment is protected, and good economic benefits and social benefits are realized.
Description
Technical field
The present invention relates to concrete work, especially relate to the structure and method of a kind of concrete seam surface grooving shutoff.
Background technology
Causes of concrete crack is complicated, various, even has many factors to influence each other, and is with one of the technical problem of certain generality and multiple, common defect in concrete work.Due to the existence in crack, the lighter affects the attractive in appearance of building, and severe one affects the durability of building, the safe operation that destroys integrality and endanger building.So people are that always do one's utmost, each crack that discovery has occurred timely, the reason that then conscientious inspection, observation and analysis produce, and classified, the choosing of " suiting the remedy to the case " is good repairing treatment scheme, is processed in good time.
At present, its purpose of the repairing of domestic distress in concrete and reinforcing has two kinds: the one, take impervious leakage-stopping as the purpose repairing, and the 2nd, take and recover structural integrity as the purpose repairing.No matter take repairing and the processing of any purpose, its crack sealing sealing (joint seal) always exists.Take hydraulic structure as example, " hydraulic structure chemical grouting job specfication " DL/T5406-2010 is " joint seal should be according to the situation in concrete structure and crack, and between selection raggle filleting, cloth liquid phase, the methods such as joint seal material are smeared on stickup and surface " to the regulation of joint seal.Wherein raggle form generally has two kinds of " U ", " V " type grooves, as accompanying drawing 1.
As can be seen from Figure 1, the volume that traditional type raggle plugging chisel removes is large, and general suitable concrete in mass is obviously inapplicable to primary structural component, thin wall construction.Sum up and get up to have following some problem:
1, large owing to cutting volume, damaged greatly the parent concrete, and thin wall construction is inapplicable;
2, due to the handwork greatly in addition of raggle volume, make constructor's labour intensity strengthen, work efficiency is on the low side, because cell body " hypertrophy " makes, the packing material amount strengthens, engineering cost increases again;
3,, when concrete has appearance requirement, affect concrete appearance;
4, for vertical plane or Shang crack, inclined-plane, while adopting raggle method joint seal, some filler is often due to the dead weight effect, and before solidifying, trickling makes top disengagement etc. downwards.
Summary of the invention
For this reason, the invention provides the structure and method of a kind of concrete seam surface grooving shutoff, taked the grooving blocking technology that breadth depth ratio is little, effectively solved above problem.At first changed the shortcoming of the form of structure existence of traditional V-type or U-shaped groove, made technique simpler, quality is more reliable; And pursue farthest and reduce the concrete damage of parent, reduce the destruction to concrete appearance; Work efficiency is high, can alleviate operating personnel's labour intensity, and can reduce the shutoff scheme of the consumption of plugging material.Accomplished convenient construction, economic and practical, environmental protection, embodied good economic and social benefit.Its technical scheme is as described below:
A kind of concrete seam surface grooving plugging structure, at the surperficial grooving formation concrete construction joint of distress in concrete, described grooving structure adopts the rectangular configuration little along the breadth depth ratio in fractuer direction cross section, in described concrete construction joint, is filled with cementitious material.
When the sealing of concrete construction joint is the dry joint mouth, described cementitious material adopts epoxy mortar, polyurethane sealant, the third newborn mortar or cement mortar or preshrunk mortar.
When the sealing of concrete construction joint is wet sealing, described cementitious material adopts accelerated cement, cement-silicate or leak stopping spirit.
The degree of depth that described grooving is grooving along the concrete construction joint length in fractuer direction cross section, the width that is grooving perpendicular to the concrete construction joint length in fractuer direction cross section, the ratio of the hierarchy structure that described breadth depth ratio is grooving.
A kind of concrete seam surface grooving method for blocking comprises the following steps:
1) carry out grooving on the surface of distress in concrete, described concrete construction joint is answered junction of the edges of two sheets of paper straight line grooving;
When 2) described distress in concrete is irregular broken line or round and smooth curve, should ride the broken line that crack cuts into some tandem arrays;
3) cut, adopted press water that grooving is rinsed well;
4) if grooving is dry joint, rinse well and naturally dry or dry up the groove internal water accumulation afterwards, then the backfill cementitious material; If grooving is wet seam, can the backfill cementitious material after rinsing well.
Step 2), in, adopt hand-held angle grinding machine and select supporting suitable angle grinding machine abrasive disc to carry out junction of the edges of two sheets of paper cutting.
When sealing is the dry joint mouth, described cementitious material adopts epoxy mortar, polyurethane sealant, the third newborn mortar, cement mortar or preshrunk mortar; When sealing is wet sealing, described cementitious material adopts accelerated cement, cement-silicate or leak stopping spirit.
Step 2), in, when grooving need to be widened, adopt the junction of the edges of two sheets of paper cutting arranged side by side of two angles grinding machine abrasive disc.
The structure and method of concrete seam surface grooving provided by the invention shutoff, all suitable all types of doing, the water-bearing concreae crack, the surperficial grooving of constuction joint and backfill shutoff, described method is due to " U " type that has changed traditional type, " V " type raggle form of structure, not only greatly degree reduced to the concrete injury of parent and greatly degree assurance concrete appearance requirement, also make the stress condition of cementitious material when grouting of backfill in groove obtain basic change, make the shutoff quality more solid and reliable, applicability is wider, alleviated labour intensity, efficiency of construction has also improved decades of times.Described method safety is reliable, has reduced engineering cost, and economic benefit is very remarkable, has met greatly need of production.
The accompanying drawing explanation
Fig. 1 is that the raggle of current concrete seam adopts " U " shape joint seal schematic diagram;
Fig. 2 is that the raggle of current concrete seam adopts " V " shape joint seal schematic diagram;
Fig. 3 is the stressed relatively schematic diagram of the cementitious material shutoff of three kinds of groovings;
Fig. 4 is the grooving plugging structure schematic diagram when the invention provides crack and being straight line;
Fig. 5 is the grooving plugging structure schematic diagram when the invention provides crack and being curve;
Fig. 6 is grooving plugging structure schematic diagram provided by the invention.
The specific embodiment
Fig. 1 and Fig. 2 are two kinds of grooving shape schematic diagrames while constructing at present, utilize cementitious material 3 to seal distress in concrete 4.
As shown in Figure 3, a has utilized " U " shape grooving, and b has adopted " V " shape grooving, and c has adopted grooving structure provided by the invention, and described grooving structure adopts the rectangular configuration little along the breadth depth ratio in fractuer direction cross section.
The V-type of analysis conventional or the form of structure of U-shaped groove are not difficult to find, in filling process, in seam, slurries have an outside power F1 outwards to squeeze and push away the filling cementitious material, whether material is pushed disengaging, except the adhesion stress F2 size that depends on material and trough rim, also relevant with the length of side y of groove, obviously when the adhesion stress of cementitious material and trough rim is constant, the larger cementitious material of y is with larger with the adhesion stress of trough rim, so the outside power pushed away of squeezing of cementitious material opposing is just larger, otherwise less.
In filling process, in seam, slurries opposite joint face has a working stress F3 who opens to both sides in addition.If in a and b, x is larger, under the F1 effect, the cementitious material outwards crowded possibility pushed away is just larger; Therefore as shown in c, strengthen y, adopt less x trench structure, its structure more is conducive to stressed.
As shown in Figures 4 to 6, described concrete seam surface grooving plugging structure, surperficial grooving at distress in concrete 4 forms concrete construction joint 1, and described grooving structure 2 adopts the rectangular configuration little along the breadth depth ratio in fractuer direction cross section, in described concrete construction joint, is filled with cementitious material 3.
The degree of depth that in described grooving structure 2, the concrete construction joint length in 4 direction cross sections is grooving along crack, the width that is grooving perpendicular to the concrete construction joint length in 4 direction cross sections, crack, the ratio of the hierarchy structure that described breadth depth ratio is grooving.
Described concrete seam surface grooving method for blocking comprises the following steps:
1) carry out grooving on the surface of distress in concrete 4, described concrete construction joint 1 is answered junction of the edges of two sheets of paper straight line grooving;
When 2) described distress in concrete 4 is irregular broken line or round and smooth curve, should ride the broken line that crack cuts into some tandem arrays;
3) cut, adopted press water that grooving is rinsed well;
4) if grooving 2 is dry joint, rinse well and naturally dry or dry up the groove internal water accumulation afterwards, then backfill cementitious material 3; If grooving 2 is wet seam, can backfill cementitious material 3 after rinsing well.
When sealing is the dry joint mouth, described cementitious material 3 adopts epoxy mortar, polyurethane sealant, the third newborn mortar, cement mortar or preshrunk mortar; When sealing is wet sealing, described cementitious material 3 adopts accelerated cement, cement-silicate or leak stopping spirits.
Step 2), in, adopt hand-held angle grinding machine and select supporting suitable angle grinding machine abrasive disc to carry out junction of the edges of two sheets of paper cutting; When grooving 2 need to be widened, adopt the junction of the edges of two sheets of paper cutting arranged side by side of two angles grinding machine abrasive disc.
The structure and method of concrete seam surface grooving provided by the invention shutoff, by adopting the little grooving blocking technology of breadth depth ratio, the V-type groove of traditional type " hypertrophy " or the uneconomical form of structure of U-shaped groove have not only been corrected, and making the shutoff stress condition that change occur, quality is more reliable, technique is simpler, work efficiency is higher; Can farthest reduce the concrete damage of parent, reduce destruction and impact on concrete appearance; The surperficial grooving of suitable all types of distress in concrete, constuction joint (comprising dry joint and wet seam); And owing to adopting the little grooving of breadth depth ratio, not only reduced the consumption of plugging material, reduced engineering cost, and adopted the operation of electric tools instead of manual, alleviated greatly operating personnel's labour intensity.
Claims (8)
1. a concrete seam surface grooving plugging structure, it is characterized in that: the surperficial grooving at distress in concrete forms concrete construction joint, described grooving structure adopts the rectangular configuration little along the breadth depth ratio in fractuer direction cross section, in described concrete construction joint, is filled with cementitious material.
2. concrete seam surface grooving plugging structure according to claim 1, it is characterized in that: when the sealing of concrete construction joint is the dry joint mouth, described cementitious material adopts epoxy mortar, polyurethane sealant, the third newborn mortar or cement mortar or preshrunk mortar.
3. concrete seam surface grooving plugging structure according to claim 1 is characterized in that: when the sealing of concrete construction joint, during for wet sealing, described cementitious material adopts accelerated cement, cement-silicate or leak stopping spirit.
4. concrete seam surface grooving plugging structure according to claim 1, it is characterized in that: the degree of depth that described grooving is grooving along the concrete construction joint length in fractuer direction cross section, the width that is grooving perpendicular to the concrete construction joint length in fractuer direction cross section, the ratio of the hierarchy structure that described breadth depth ratio is grooving.
5. a concrete seam surface grooving method for blocking comprises the following steps:
1) carry out grooving on the surface of distress in concrete, described concrete construction joint is answered junction of the edges of two sheets of paper straight line grooving;
When 2) described distress in concrete is irregular broken line or round and smooth curve, should ride the broken line that crack cuts into some tandem arrays;
3) cut, adopted press water that grooving is rinsed well;
4) if grooving is dry joint, rinse well and naturally dry or dry up the groove internal water accumulation afterwards, then the backfill cementitious material; If grooving is wet seam, can the backfill cementitious material after rinsing well.
6. concrete seam surface grooving method for blocking according to claim 5, is characterized in that: step 2) in, adopt hand-held angle grinding machine and select supporting suitable angle grinding machine abrasive disc to carry out junction of the edges of two sheets of paper cutting.
7. concrete seam surface grooving method for blocking according to claim 5 is characterized in that: when sealing is the dry joint mouth, described cementitious material adopts epoxy mortar, polyurethane sealant, the third newborn mortar, cement mortar or preshrunk mortar; When sealing is wet sealing, described cementitious material adopts accelerated cement, cement-silicate or leak stopping spirit.
8. concrete seam surface grooving method for blocking according to claim 5, is characterized in that: step 2) in, when grooving need to be widened, adopt the junction of the edges of two sheets of paper cutting arranged side by side of two angles grinding machine abrasive disc.
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| CN2013102449203A CN103437432A (en) | 2013-06-19 | 2013-06-19 | Concrete crack surface cut groove sealing and blocking structure and method |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261790A (en) * | 2014-09-23 | 2015-01-07 | 北京艾施姆科技有限公司 | Polyurethane/silicate composite material for rapidly repairing concrete pavement pit and preparation method thereof |
| CN105839940A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack strengthened reinforcement structure made of epoxy resin slurry |
| CN105839941A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack reinforcing structure of epoxy resin slurry |
| CN105839939A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall reinforcing structure made of epoxy resin slurry |
| CN105839797A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall strengthened reinforcing structure made of epoxy resin slurry |
| CN105952173A (en) * | 2016-04-29 | 2016-09-21 | 陆庆祥 | Method for repairing concrete flooring cracks |
| CN106320733A (en) * | 2016-08-26 | 2017-01-11 | 北海金匠水泥制品有限责任公司 | Cement prefabricated component pitted surface repairing method |
| CN106337566A (en) * | 2016-08-26 | 2017-01-18 | 北海金匠水泥制品有限责任公司 | High-strength repairing method for hole of cement prefabricated component |
| CN106351458A (en) * | 2016-08-26 | 2017-01-25 | 北海金匠水泥制品有限责任公司 | Repairing method of honeycombs on precast concrete units |
| CN106351459A (en) * | 2016-08-26 | 2017-01-25 | 北海金匠水泥制品有限责任公司 | High strength repairing method of crack on precast concrete units |
| CN106567306A (en) * | 2016-11-05 | 2017-04-19 | 中交航局第四工程有限公司 | Airport cement concrete pavement joint chamfering construction method |
| CN107100286A (en) * | 2017-06-16 | 2017-08-29 | 中建八局第三建设有限公司 | A kind of clear-water concrete bolt hole closure and external corner method for repairing and constructing |
| CN107724259A (en) * | 2017-12-06 | 2018-02-23 | 河北省高速公路宣大管理处 | Silicone adhesive enclosed bridge cracks of abutment capping technique |
| CN108729414A (en) * | 2018-05-14 | 2018-11-02 | 中水电第十工程局（郑州）有限公司 | A kind of concrete gravity dam transverse joint seepage treatment method |
| CN108930292A (en) * | 2017-05-27 | 2018-12-04 | 中铁第四勘察设计院集团有限公司 | The method that a kind of pair of new-old concrete interface carries out water-proofing treatment |
| CN110966025A (en) * | 2019-12-13 | 2020-04-07 | 中交第二航务工程局有限公司 | Shield tunnel segment crack plugging device and construction method |
| CN113027160A (en) * | 2020-04-17 | 2021-06-25 | 中建二局第一建筑工程有限公司 | Concrete crack repairing method |
| CN115467550A (en) * | 2022-09-14 | 2022-12-13 | 武汉二航路桥特种工程有限责任公司 | Concrete crack repairing method |
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| CN202766943U (en) * | 2012-09-24 | 2013-03-06 | 河南万里路桥集团有限公司 | Filling and sealing structure for cement concrete pavement slit |
| CN102966049A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Method for treating vertical crack of reinforced concrete bridge abutment |
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| JPH0828063A (en) * | 1994-08-22 | 1996-01-30 | Fujimi Kogyo Kk | Structure of repairing crack on concrete external wall |
| CN202766943U (en) * | 2012-09-24 | 2013-03-06 | 河南万里路桥集团有限公司 | Filling and sealing structure for cement concrete pavement slit |
| CN102966049A (en) * | 2012-11-28 | 2013-03-13 | 华南理工大学 | Method for treating vertical crack of reinforced concrete bridge abutment |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261790A (en) * | 2014-09-23 | 2015-01-07 | 北京艾施姆科技有限公司 | Polyurethane/silicate composite material for rapidly repairing concrete pavement pit and preparation method thereof |
| CN105952173A (en) * | 2016-04-29 | 2016-09-21 | 陆庆祥 | Method for repairing concrete flooring cracks |
| CN105952173B (en) * | 2016-04-29 | 2018-07-27 | 陆庆祥 | A kind of craft leakage mending method of cracks on concrete floor |
| CN105839940B (en) * | 2016-05-03 | 2018-11-27 | 芜湖文青机械设备设计有限公司 | A kind of enhanced reinforced structure of wall body slit of epoxy resin slurry |
| CN105839940A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack strengthened reinforcement structure made of epoxy resin slurry |
| CN105839939A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall reinforcing structure made of epoxy resin slurry |
| CN105839797B (en) * | 2016-05-03 | 2019-01-01 | 芜湖文青机械设备设计有限公司 | A kind of enhanced enhancing structure of wall of epoxy resin slurry |
| CN105839939B (en) * | 2016-05-03 | 2019-01-01 | 湖北佳德建筑工程有限公司 | A kind of wall enhancing structure of epoxy resin slurry |
| CN105839941A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall crack reinforcing structure of epoxy resin slurry |
| CN105839797A (en) * | 2016-05-03 | 2016-08-10 | 苏州英力普建筑装饰材料有限公司 | Wall strengthened reinforcing structure made of epoxy resin slurry |
| CN106320733A (en) * | 2016-08-26 | 2017-01-11 | 北海金匠水泥制品有限责任公司 | Cement prefabricated component pitted surface repairing method |
| CN106337566A (en) * | 2016-08-26 | 2017-01-18 | 北海金匠水泥制品有限责任公司 | High-strength repairing method for hole of cement prefabricated component |
| CN106351458A (en) * | 2016-08-26 | 2017-01-25 | 北海金匠水泥制品有限责任公司 | Repairing method of honeycombs on precast concrete units |
| CN106351459A (en) * | 2016-08-26 | 2017-01-25 | 北海金匠水泥制品有限责任公司 | High strength repairing method of crack on precast concrete units |
| CN106567306A (en) * | 2016-11-05 | 2017-04-19 | 中交航局第四工程有限公司 | Airport cement concrete pavement joint chamfering construction method |
| CN108930292A (en) * | 2017-05-27 | 2018-12-04 | 中铁第四勘察设计院集团有限公司 | The method that a kind of pair of new-old concrete interface carries out water-proofing treatment |
| CN107100286A (en) * | 2017-06-16 | 2017-08-29 | 中建八局第三建设有限公司 | A kind of clear-water concrete bolt hole closure and external corner method for repairing and constructing |
| CN107724259A (en) * | 2017-12-06 | 2018-02-23 | 河北省高速公路宣大管理处 | Silicone adhesive enclosed bridge cracks of abutment capping technique |
| CN108729414A (en) * | 2018-05-14 | 2018-11-02 | 中水电第十工程局（郑州）有限公司 | A kind of concrete gravity dam transverse joint seepage treatment method |
| CN110966025A (en) * | 2019-12-13 | 2020-04-07 | 中交第二航务工程局有限公司 | Shield tunnel segment crack plugging device and construction method |
| CN113027160A (en) * | 2020-04-17 | 2021-06-25 | 中建二局第一建筑工程有限公司 | Concrete crack repairing method |
| CN115467550A (en) * | 2022-09-14 | 2022-12-13 | 武汉二航路桥特种工程有限责任公司 | Concrete crack repairing method |
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Application publication date: 20131211 |