CN104727351A - Middle embedded type water stop belt and construction method thereof - Google Patents
Middle embedded type water stop belt and construction method thereof Download PDFInfo
- Publication number
- CN104727351A CN104727351A CN201510130388.1A CN201510130388A CN104727351A CN 104727351 A CN104727351 A CN 104727351A CN 201510130388 A CN201510130388 A CN 201510130388A CN 104727351 A CN104727351 A CN 104727351A
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- China
- Prior art keywords
- diaphragm
- anchoring section
- water stop
- section
- buried water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000010276 construction Methods 0.000 title claims abstract description 41
- 238000004873 anchoring Methods 0.000 claims abstract description 75
- 239000011083 cement mortar Substances 0.000 claims abstract description 16
- 238000005429 filling process Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 229920001021 polysulfide Polymers 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 208000034189 Sclerosis Diseases 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000005077 polysulfide Substances 0.000 claims description 4
- 150000008117 polysulfides Polymers 0.000 claims description 4
- 239000000428 dust Substances 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 238000007790 scraping Methods 0.000 abstract description 4
- 230000009466 transformation Effects 0.000 abstract 6
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 3
- 239000004800 polyvinyl chloride Substances 0.000 description 3
- 229920000915 polyvinyl chloride Polymers 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000013536 elastomeric material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009440 infrastructure construction Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/16—Arrangement or construction of joints in foundation structures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/38—Waterproofing; Heat insulating; Soundproofing; Electric insulating
- E21D11/385—Sealing means positioned between adjacent lining members
Abstract
The invention relates to the technical field of underground engineering construction, and discloses a middle embedded type water stop belt and a construction method thereof to solve the problems that the existing water stop belt outer surface completely exposed in air is prone to being polluted by dust and cement mortar and is prone to being pierced by a construction machine or a steel bar, water leakage points are formed, and consequently the water stop effect is affected. The middle embedded type water stop belt comprises a transformation section, a first anchoring section and a second anchoring section which are connected together, the first anchoring section and the second anchoring section are symmetrically arranged on the two sides of the transformation section. The middle embedded type water stop belt further comprises a protection film covering the outer surface of the middle embedded type water stop belt. Due to the fact that the outer surface of the middle embedded type water stop belt is wrapped by the protection film, in the construction process, only the protection film on the anchoring section on one side of the transformation section needs to be peeled, the anchoring section is embedded in a first concrete structure, the protection film of the transformation section and the anchoring section on the other side of the transformation section is reserved, the anchoring section on the other side of the transformation section is prevented from being affected by dust, cement mortar and operating scraping in the construction stage, and therefore the construction quality of the middle embedded type water stop belt is guaranteed, and the water stop effect is improved.
Description
Technical field
The present invention relates to Construction Technique of Underground Works field, particularly buried water stop and construction method thereof in one.
Background technology
Along with developing rapidly of urban infrastructure construction, the exploitation of urban underground space also becomes the important component part of civilian infrastructure construction gradually, and the thing followed is the waterproof problem of a large amount of underground construction.At present, all more or less there is drainage in the structures to form seam place in most of underground structure, subway tunnel, roads and tunnels, municipal pipeline, one of them very important reason is exactly that sealing construction is off quality.
In buried rubber fastening band (hereinafter referred waterstop), it is a kind of waterstop comparatively conventional at present, it is the waterproofing materials arranged at the inside concrete such as deformed concrete crack, shrinkage joint, because elastomeric material has good elasticity and compressive strain, can elastic deformation be there is under various load, and then play good stagnant water effect.But, in practice of construction process, job site dust is more, construction operation is frequent, the external surface of waterstop is exposed in air completely, makes its surface be easy to be stained with dust and other impurities, especially when building side concrete structure, vibrated concrete operation very easily makes cement mortar splash opposite side not yet to embed on the waterstop of concrete structure, is difficult to cleaning after adhering to the cement mortar sclerosis on waterstop; And, in waterstop location and casting and compacting of concrete process, the waterstop be exposed to completely in air is easily pricked bad by construction machinery or reinforcing bar, and these factors above-mentioned all easily cause pollution or the breakage of waterstop, form leakage point, thus affect the stagnant water effect of waterstop.
Summary of the invention
Easily polluted by dust and cement mortar for the existing waterstop external surface be exposed to completely in air; and easily pricked bad by construction machinery or reinforcing bar; form leakage point; thus affect the problem of stagnant water effect; the object of this invention is to provide buried water stop and construction method thereof in one; utilize the diaphragm being coated on middle buried water stop external surface; make it not by the impact that dust, impurity and operation in the construction stage are swiped, thus in ensureing, buried water stop has good stagnant water effect after having constructed.
The present invention solves the middle buried water stop that its technical problem adopts; comprise the deformation section, the first anchoring section and the second anchoring section that are connected as a single entity; and described first anchoring section and described second anchoring section are symmetricly set in the both sides of described deformation section, also comprise the diaphragm being coated on described middle buried water stop external surface.
Preferably; the diaphragm of the described every side of middle buried water stop is divided into diaphragm one and diaphragm two; described diaphragm one and described diaphragm two are coated on described first anchoring section and described second anchoring section respectively; the outside of described diaphragm one and described diaphragm two covers described first anchoring section and described second anchoring section completely, and the inner side of described diaphragm one and described diaphragm two is in the position folded of described deformation section.
Preferably, the lug boss of the complete coated described deformation section in the inner side of described diaphragm one and described diaphragm two.
Described diaphragm is made up of PE, PVC or PET material.
In addition, present invention also offers a kind of construction method of middle buried water stop, step is as follows:
One, the diaphragm of the first anchoring section external surface being arranged on described middle buried water stop is peelled off, and retain the diaphragm of described deformation section and described second anchoring section external surface, described first anchoring section is embedded in concrete structure one to be onstructed, and concreting structure one;
Two, peel off the diaphragm of described deformation section and described second anchoring section external surface, bury described second anchoring section underground in concrete structure two to be built and carry out concrete pouring construction;
Three, joint filling process is done to the gap between described concrete structure one and described concrete structure two.
Preferably; in described step one and step 2; the diaphragm of the described every side of middle buried water stop is divided into diaphragm one and diaphragm two; described diaphragm one and described diaphragm two are coated on described first anchoring section and described second anchoring section respectively, and the end of described diaphragm one and described diaphragm two is in the position folded of described deformation section.
Preferably; in described step one, peel off the diaphragm one on described first anchoring section surface, described first anchoring section is embedded in after described concrete structure builds in the lump; before cement mortar sclerosis on the diaphragm two splashing described second anchoring section surface, clean described diaphragm two.
Preferably, in described step 3, the pointing that joint filling process adopts is two component polysulfide sealing compound.
Effect of the present invention is: middle buried water stop of the present invention; diaphragm centering buried water stop is used to protect; make it can not be exposed in work progress in dust impurity; clean to keep its external surface; make buried water stop not by the impact that dust, cement mortar, impurity and operation in the construction stage are swiped, thus in ensureing, buried water stop has good stagnant water effect after having constructed.
Because middle buried water stop external surface is coated with diaphragm; therefore; adopt the construction method of middle buried water stop of the present invention; only need the diaphragm peelling off deformation section side anchoring section; be embedded in concrete structure one, and retained the diaphragm of deformation section and opposite side anchoring section thereof, to protect deformation section and opposite side anchoring section thereof not by the impact that dust, cement mortar, impurity and operation in the construction stage are swiped; thus ensure that the construction quality of middle buried water stop, improve stagnant water effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of the middle buried water stop of one embodiment of the invention;
Fig. 2 is the schematic diagram of the side embedding concrete structure of the middle buried water stop of one embodiment of the invention;
Fig. 3 is the schematic diagram of the opposite side embedding concrete structure of the middle buried water stop of one embodiment of the invention;
Fig. 4 is the schematic diagram after the middle buried water stop joint filling process of one embodiment of the invention.
Detailed description of the invention
In the one proposed the present invention below in conjunction with the drawings and specific embodiments, buried water stop and construction method thereof are described in further detail.According to explanation below and claims, advantages and features of the invention will be clearer.Below by cited embodiment by reference to the accompanying drawings, technology contents of the present invention and feature will be described in detail.Need to illustrate in addition, accompanying drawing all adopts the form that simplifies very much and all uses non-ratio accurately, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.For sake of convenience, hereinafter described " on ", D score is consistent with the upper and lower direction of accompanying drawing, but this can not become the restriction of technical solution of the present invention.
Embodiment one: composition graphs 1 to Fig. 4 illustrates middle buried water stop 10 of the present invention, in order to specific direction relation, is provided with on demand in FIG using the xyz rectangular coordinate system of z-axis direction as middle buried water stop 10 axis direction.Above-mentioned middle buried water stop 10 comprises deformation section 11, the first anchoring section 12a and the second anchoring section 12b that are connected as a single entity; and the first anchoring section 12a and the second anchoring section 12b is arranged at the both sides of deformation section 11 along axisymmetrical, middle buried water stop 10 also comprises the diaphragm being coated on its external surface.Because said protection film has enough thickness, intensity and absorption affinity, thus can not be pulled bad easily when ensureing that anchoring section peeled off by diaphragm, meanwhile, when coated diaphragm, can avoid leaving larger bubble, in order to avoid poked easily, lose protected effect.The present invention uses diaphragm centering buried water stop 10 to protect; make it can not be exposed in work progress in dust impurity; clean to keep its external surface; make buried water stop 10 not by the impact that dust, cement mortar, impurity and operation in the construction stage are swiped, thus in ensureing, buried water stop 10 has good stagnant water effect after having constructed.
As better embodiment; in order to better ensure in buried water stop 10 not contaminated and damage; please continue to refer to Fig. 1; the diaphragm of the every side of middle buried water stop 10 is divided into diaphragm 1 and diaphragm 2 14; diaphragm 1 is coated on the first anchoring section 12a; diaphragm 2 14 is coated on the second anchoring section 12b; that is; the diaphragm 1 on the middle upper and lower surface of buried water stop 10 and diaphragm 2 14 are along y-axis symmetry; and diaphragm 1 and diaphragm 2 14 are in the position folded of deformation section 11.Better, the lug boss of the complete coated deformation section 11 in inner side of diaphragm 1 and diaphragm 2 14, in the present embodiment; diaphragm 1 is coated on the outside of diaphragm 2 14; certainly, diaphragm 2 14 also can be coated on the outside of diaphragm 1, all can realize technical solution of the present invention.In addition, diaphragm 1 should leave the termination of easily peeling off at the overlapping with diaphragm 2 14, outwards should shell during stripping from centre, makes, when peeling off side diaphragm 1, can not take up opposite side diaphragm 2 14 simultaneously.During construction, before middle buried water stop 10 is embedded concrete structure 1, peel off on buried water stop 10 first anchoring section 12a, the diaphragm 1 of soffit, and retain on the second anchoring section 12b, the diaphragm 2 14 of soffit, avoid the external surface of the second anchoring section 12b by dust, cement mortar, impurity, the impact of operation scraping, after the first anchoring section 12a has been embedded in concrete structure 1, peel off the diaphragm 2 14 of the second anchoring section 12b external surface again, the second anchoring section 12b is made to embed in concrete structure 22, visible, adopt two parts diaphragm (13, 14), and successively peel off diaphragm (13 by sequence of construction, 14), make buried water stop 10 can keep the bright and clean and complete of external surface in work progress, improve its stagnant water effect, and, two parts diaphragm (13, 14) in the structure of deformation section 11 position folded, compare Global Macros film, be easier to constructor's operation, thus improve efficiency of construction.
Said protection film is made up of materials such as PE (polyethylene), PVC (polyvinyl chloride) or PET (PETG), to ensure that it has enough thickness, intensity and absorption affinity.
Embodiment two: composition graphs 1 to Fig. 4 illustrates the construction method of middle buried water stop of the present invention, and concrete steps are as follows:
S101: please refer to Fig. 1 and Fig. 2, peel off the diaphragm being arranged on the upper and lower surface of middle buried water stop 10 first anchoring section 12a, and retain the diaphragm on deformation section 11 and the second upper and lower surface of anchoring section 12b, first anchoring section 12a is embedded in concrete structure 1 to be onstructed, and concreting structure 1; Therefore, in the casting process of concrete structure 1, the deformation section 11 and the second anchoring section 12b that are coated with diaphragm can avoid being stained by cement mortar;
S102: as shown in Figure 3, after the concrete structure 1 of first constructing condenses and has enough intensity, peel off the diaphragm on deformation section 11 and the second anchoring section 12b surface, bury the second anchoring section 12b underground in concrete structure 22 to be built and carry out concrete pouring construction;
S103: as shown in Figure 4, after treating that the concrete structure 1 of both sides and concrete structure 22 are all constructed, does joint filling process with the gap between pointing 3 pairs of concrete structures 1 and concrete structure 22.
Because middle buried water stop 10 external surface of the present invention is coated with diaphragm; in work progress; only need the diaphragm peelling off deformation section 11 side anchoring section; be embedded in concrete structure 1; and retain the diaphragm of deformation section 11 and opposite side anchoring section thereof; to protect this side anchoring section not by the impact of dust, cement mortar, operation scraping in the construction stage, thus ensure that the construction quality of middle buried water stop 10, improve stagnant water effect.
As better embodiment; in above-mentioned steps S101 and S102; the diaphragm of the every side of middle buried water stop 10 is divided into diaphragm 1 and diaphragm 2 14; diaphragm 1 and diaphragm 2 14 are coated on the first anchoring section 12a and the second anchoring section 12b respectively, and the end of diaphragm 1 and diaphragm 2 14 is in the position folded of deformation section 11.Therefore; only need the diaphragm 1 peelling off deformation section 11 side first anchoring section 12a; first anchoring section 12a is embedded in concrete structure 1; and retain the diaphragm 2 14 of deformation section 11 and opposite side second anchoring section 12b thereof; to protect the second anchoring section 12b not by the impact of dust, cement mortar, operation scraping in the construction stage; the operation of this construction method is more simple and convenient, improves efficiency of construction.
Above-mentioned steps S101 also comprises; after concrete structure 1 is built; before splashing the sclerosis of the cement mortar on diaphragm 2 14; use water can be selected to rinse well; to form larger hard group after cement mortar free mummification; puncture diaphragm 2 14, and the stagnant water effect of buried water stop 10 in affecting further.
In above-mentioned steps S103, pointing 3 is mainly two component polysulfide sealing compound etc.Wherein, two component polysulfide sealing compound take liquid polysulphide rubber as material of main part, coordinate the fluid sealant made with tackifying resin, vulcanizing agent, accelerator, reinforcing agent etc., itself and coagulation scholar adhesive property are good, be the high-elastic gonosome of rubber-like after solidification completely, there is resistance to ag(e)ing, durability, tightness, water proofing property and good cementability.
In addition, because the plastics of buried water stop 10 in making or the tearing strength of elastomeric material are than stretching strong low 3-5 doubly, in above-mentioned steps S101 and S102, middle buried water stop 10 is once be punctured or tear, very large external force breach is not needed to expand, therefore, in middle buried water stop 10 location and casting and compacting of concrete process, localization method should be noted and water smashing pressure, in order to avoid middle buried water stop 10 is punctured or tears.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (8)
1. buried water stop in a kind; comprise the deformation section, the first anchoring section and the second anchoring section that are connected as a single entity; and described first anchoring section and described second anchoring section are symmetricly set in the both sides of described deformation section, it is characterized in that: also comprise the diaphragm being coated on described middle buried water stop external surface.
2. middle buried water stop according to claim 1; it is characterized in that: the diaphragm of the described every side of middle buried water stop is divided into diaphragm one and diaphragm two; described diaphragm one and described diaphragm two are coated on described first anchoring section and described second anchoring section respectively; the outside of described diaphragm one and described diaphragm two covers described first anchoring section and described second anchoring section completely, and the inner side of described diaphragm one and described diaphragm two is in the position folded of described deformation section.
3. middle buried water stop according to claim 2, is characterized in that: the lug boss of the complete coated described deformation section in inner side of described diaphragm one and described diaphragm two.
4. buried water stop according to any one of claims 1 to 3, is characterized in that: described diaphragm is made up of PE, PVC or PET material.
5. the construction method of buried water stop in as described in any one of Claims 1-4, step is as follows:
One, the diaphragm of the first anchoring section external surface being arranged on described middle buried water stop is peelled off, and retain the diaphragm of described deformation section and described second anchoring section external surface, described first anchoring section is embedded in concrete structure one to be onstructed, and concreting structure one;
Two, peel off the diaphragm of described deformation section and described second anchoring section external surface, bury described second anchoring section underground in concrete structure two to be built and carry out concrete pouring construction;
Three, joint filling process is done to the gap between described concrete structure one and described concrete structure two.
6. construction method according to claim 5; it is characterized in that: in described step one and step 2; the diaphragm of the described every side of middle buried water stop is divided into diaphragm one and diaphragm two; described diaphragm one and described diaphragm two are coated on described first anchoring section and described second anchoring section respectively, and the end of described diaphragm one and described diaphragm two is in the position folded of described deformation section.
7. construction method according to claim 6; it is characterized in that: in described step one; peel off the diaphragm one on described first anchoring section surface; described first anchoring section is embedded in after described concrete structure builds in the lump; before cement mortar sclerosis on the diaphragm two splashing described second anchoring section surface, clean described diaphragm two.
8. the construction method according to any one of claim 5 to 7, is characterized in that: in described step 3, and the pointing that joint filling process adopts is two component polysulfide sealing compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130388.1A CN104727351A (en) | 2015-03-24 | 2015-03-24 | Middle embedded type water stop belt and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510130388.1A CN104727351A (en) | 2015-03-24 | 2015-03-24 | Middle embedded type water stop belt and construction method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN104727351A true CN104727351A (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510130388.1A Pending CN104727351A (en) | 2015-03-24 | 2015-03-24 | Middle embedded type water stop belt and construction method thereof |
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| CN (1) | CN104727351A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107059938A (en) * | 2017-07-04 | 2017-08-18 | 中铁上海设计院集团有限公司 | It is a kind of to be used for the reinforced structure and its construction method of genuine deformation joint sealing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107059938A (en) * | 2017-07-04 | 2017-08-18 | 中铁上海设计院集团有限公司 | It is a kind of to be used for the reinforced structure and its construction method of genuine deformation joint sealing |
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Application publication date: 20150624 |