CN107313404A - A kind of expansion joint water sealing structure - Google Patents
A kind of expansion joint water sealing structure Download PDFInfo
- Publication number
- CN107313404A CN107313404A CN201710736105.7A CN201710736105A CN107313404A CN 107313404 A CN107313404 A CN 107313404A CN 201710736105 A CN201710736105 A CN 201710736105A CN 107313404 A CN107313404 A CN 107313404A
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- water stop
- sealing structure
- stop sheet
- joint
- 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 58
- 238000007789 sealing Methods 0.000 title claims abstract description 27
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 239000004927 clay Substances 0.000 claims abstract description 9
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 20
- 229910052802 copper Inorganic materials 0.000 claims description 20
- 239000010949 copper Substances 0.000 claims description 20
- 239000004568 cement Substances 0.000 claims description 15
- 239000000945 filler Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 14
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The present invention relates to hydraulic engineering technical field, more particularly to expansion joint water-stop technology field, a kind of expansion joint water sealing structure is specifically disclosed, including silts well up for being embedded in the metallic water stop sheet of concrete component bottom in advance across expansion joint, and positioned at the metallic water stop sheet upstream face side；The metallic water stop sheet is provided with the compromise joint matched with the expansion joint, and the compromise joint includes at least two nose shape prominences crossed；The material for silting well up is selected from plasticity clay, and described silts the intersection that well covers in the nose shape prominence up.Expansion joint water sealing structure of the present invention, can significantly improve the reliability of sealing, prevent because metallic water stop compromise joint tear causes leak.
Description
Technical field
The present invention relates to hydraulic engineering technical field, more particularly to expansion joint water-stop technology field.
Background technology
It would generally be provided with the concrete components of hydraulic structure such as dam, canal for water conveyance, water-conveyance tunnel and water delivery aqueduct
Expansion joint, to prevent these expansion joint leaks, it will usually in casting concrete, across the pre-buried Copper water stop of seam or rubber water-proof.
It it is about 1 millimeter generally from thickness, the stronger copper sheet of deformability is made by taking Copper water stop as an example.Fig. 1 is shown
Nose shape prominence 1 is processed at the conventional sectional schematic diagram of prior art copper seal, middle part, as copper sheet deformation position, to inhale
Receive expansion joint 4 to deform, leg 2 is set up in both sides processing, to be cast in inside concrete.Fig. 2 is that copper seal shown in Fig. 1 routinely makes
The expansion joint water sealing structure schematic diagram constituted with state, copper seal is cast in concrete component 3, copper seal it is nose
The axis of projection 1 is corresponding with the expansion joint of concrete component 3, and the inner chamber of nose shape prominence 1 of copper seal is provided with filler, to prop up
The inner chamber of nose shape prominence 1 is supportted, while being also prevented from debris entrance.During hydraulic structure is run, when there is temperature stress or basis
Sedimentation, when causing the expansion joint 4 to occur opening, settle or shear displacement, the nose shape prominence 1 of Copper water stop can corresponding deformation so that
To water-stagnating effect.
Concrete extension joint exists pre-buried inside the intersection of such as " L " type, T-shape, Y-shaped or "+" type, expansion joint
Copper seal then corresponds to the abnormal shape such as " L " type, T-shape, Y-shaped or "+" type constituted in the presence of being crossed by multiple nose shape prominences and connect
Head.Engineering design side is when designing Copper water stop structure, and displacement is opened, settles or sheared to the possibility maximum for generally estimating expansion joint,
And then design with deforming the Copper water stop nose matched height and width, but it is multi-direction at expansion joint generally to have ignored copper seal
This local particularity of intersection.On the one hand, because intersection is the border of many block concretes, the deformation of its seam is usual
Amplitude is maximum, and displacement form is most complicated；But then, the multi-direction copper seal crossed is linked as whole in intersection
Body, multi-direction nose shape prominence " mutually lock ", causes Copper water stop compromise joint not have any deformability, when concrete joint is handed over
When there is infinitesimal deflection at remittance, Copper water stop compromise joint will be torn, and then leak.
In the case that Practical Project Copper water stop is destroyed, the destruction ratio at Copper water stop compromise joint is highest, is filled
Defend oneself this bright problem objective reality, and consequence is serious.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of expansion joint water sealing structure, the reliable of sealing can be significantly improved
Property, prevent because metallic water stop compromise joint tear causes leak.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of expansion joint water sealing structure, including with
In the metallic water stop sheet for being embedded in concrete component bottom in advance across expansion joint, and the silt positioned at the metallic water stop sheet upstream face side
Fill in well；
Wherein, the metallic water stop sheet is provided with the compromise joint matched with the expansion joint, and the compromise joint includes at least two
The individual nose shape prominence crossed；
The material for silting well up is selected from plasticity clay, and described silts the intersection that well covers in the nose shape prominence up.
Further, the metallic water stop sheet is copper sheet, stainless steel substrates or aluminium flake.
Further, the thickness for silting the plasticity cement filled in well up and height are not less than 50 millimeters.
Optionally, the expansion joint is " L " type, T-shape, Y-shaped or "+" type.
Further, filler is provided with the nose shape prominence of the metallic water stop sheet, to support nose shape prominence.
Further, the side of the metallic water stop sheet is provided with vertical leg, and the vertical leg is used to pour in the concrete structure
In part.
It is using the beneficial effect produced by above-mentioned technical proposal：The present invention is using in the easy of metallic water stop compromise joint
Added above tear place and silt well up filled with plasticity cement, deformation causes metallic water stop compromise joint nose when expansion joint
During intersection's tear of projection, silt up plasticity cement in well will in the presence of water pressure, to breach inside wriggle, enter
And silt sealing piece rent up, to ensure the water-stagnating effect of sealing piece.
Brief description of the drawings
Fig. 1 is the conventional sectional schematic diagram of prior art copper seal；
Fig. 2 is prior art copper seal normal service condition schematic diagram；
Fig. 3 is a kind of schematic diagram of embodiment of expansion joint water sealing structure of the present invention；
Fig. 4 is L-L profiles in Fig. 3.
Wherein, 1, nose shape prominence；2nd, leg is found；3rd, concrete component；4th, expansion joint；5th, filler；6th, well is silted up.
Embodiment
To solve the problem of prior art uses metallic water stop compromise joint sealing poor reliability, the present invention is to prior art
Make improvements there is provided a kind of expansion joint water sealing structure, by above the easy tear place of metallic water stop compromise joint construct with
What expansion joint was connected silts well up, silts filling plasticity cement in well, when metallic water stop compromise joint is torn by deformation, plasticity up
Cement will silt sealing piece rent up in the presence of water pressure, to ensure water-stagnating effect, improve sealing reliability.
The expansion joint water sealing structure of the present invention is described in further detail with reference to the accompanying drawings and detailed description.
A kind of expansion joint water sealing structure, including for being embedded in the metallic water stop of the bottom of concrete component 3 in advance across expansion joint 4
Piece, and silt well 6 up positioned at metallic water stop sheet upstream face side；
Metallic water stop sheet is provided with the compromise joint matched with expansion joint 4, and compromise joint includes at least two nose shape prominences crossed
1；
The material for silting well 6 up is selected from plasticity cement, and described silts the intersection that well covers in nose shape prominence 1 up.
That is, the present invention it is so-called silt well up, be plasticity clay cover in the nose shape prominence cross place formation one
Individual plasticity cement, silts the populated after-pouring concrete of well up, it is concrete curing after can wrap up plasticity cement, so just mixed
Solidifying soil has been internally formed a well for filling plasticity clay.After Copper water stop Tong Bi intersections destroy, plasticity clay can be in outside
In the presence of hydraulic pressure, to destruction at wriggle, silt up and block at destruction, it is therefore named to silt well up.
Optionally, metallic water stop sheet is copper sheet, stainless steel substrates or aluminium flake, and those skilled in the art can be according to design need
Voluntarily to be selected by parameters such as its physics, mechanical performances, preferably copper sheet, morphotropism, ductility performance are more preferable.
It is not less than 50 millimeters as the thickness of the plasticity cement of filling and height in well 6 preferred embodiment, is silted up.
To ensure that, when metallic water stop sheet is torn, the plasticity clay body of sufficient amount can silt metallic water stop sheet breakage up, reach good
Good water-stagnating effect.Specifically, the height of the present invention refers to the bottom surface of plasticity cement to the vertical distance of top surface, thickness refers to
Be ultimate range between the up contour point of plasticity cement level cross-sectionn, when plasticity cement is standard cylinder, institute
The thickness of meaning is the diameter for representing cylinder.
It is preferred that, filling is provided with filler 5 in the nose shape prominence 1 of metallic water stop sheet, to support nose shape prominence 1, it is ensured that its
With enough morphotropism, while can also prevent that foreign matter enters in nose shape prominence 1 in construction and installation metallic water stop sheet.It is used to fill out
It is optionally plasticity filler, foam plastics strip etc. to fill thing 5.
The side of metallic water stop sheet is provided with vertical leg 2, is poured when using in concrete component 3, for further fixed gold
Belong to sealing piece, prevent its position of off-design expansion joint 4.
The water sealing structure of expansion joint 4 of the present invention can be applied to including but not limited to expansion joint 4 and there is " L " type, T-shape, " Y "
Type or the situation of "+" type intersection.
By taking the Copper water stop compromise joint of "+" type as an example, see Fig. 3 and Fig. 4, silt up well 6 cover on four of copper seal it is nose
The "+" type intersection of projection 1, positioned at upstream face side, silts the full plasticity cement of filling in well 6 up, silts the top-to-bottom of well 6 up
Distance be not less than 50 millimeters, silting up between well 6 and at least one of outside of copper seal does not have gap（Silt up in well
Plasticity clay bonding, the gap that between the two not connects relatively good with that must have between Copper water stop；Otherwise water is by between the two
Gap area, then can not form differential water pressures, and after Copper water stop Tong Bi intersections destroy, plasticity clay would not be in external water pressure
To wriggling at destruction under effect, whole water sealing structure will fail）.When expansion joint 4, deformation causes Copper water stop "+" type abnormal shape to connect
During head tear, silt up plasticity cement in well 6 will in the presence of water pressure, to breach inside wriggle, and then silt up
Copper sheet rent, to ensure the water-stagnating effect of copper seal.
The present invention is described in detail above, embodiments of the present invention carried out using specific case in the present invention
Illustrate, the explanation of above example is only intended to help and understands the present invention, it is noted that for the technology people of the art
For member, under the premise without departing from the principles of the invention, some improvement can be also carried out to the present invention, these improvement also fall into this hair
In bright scope of the claims.
Claims (6)
1. a kind of expansion joint water sealing structure, it is characterised in that：Including for across expansion joint（4）It is embedded in concrete component in advance（3）Bottom
The metallic water stop sheet in portion, and silt well up positioned at the metallic water stop sheet upstream face side（6）；
Wherein, the metallic water stop sheet is provided with and the expansion joint（4）The compromise joint of matching, the compromise joint is included at least
Two nose shape prominences for crossing（1）；
It is described to silt well up（6）Material be selected from plasticity clay, and described silt well up（6）Cover in the nose shape prominence（1）Cross
Place.
2. expansion joint water sealing structure according to claim 1, it is characterised in that the metallic water stop sheet is copper sheet, no
Become rusty steel disc or aluminium flake.
3. expansion joint water sealing structure according to claim 1, it is characterised in that described to silt well up（6）The plasticity of interior filling
The thickness and height of cement are not less than 50 millimeters.
4. expansion joint water sealing structure according to claim 1, it is characterised in that the expansion joint（4）For " L " type, " T "
Type, Y-shaped or "+" type.
5. expansion joint water sealing structure according to claim 1, it is characterised in that the nose shape prominence of the metallic water stop sheet
（1）It is interior to be filled with filler（5）, to support nose shape prominence（1）.
6. expansion joint water sealing structure according to claim 1, it is characterised in that the side of the metallic water stop sheet is provided with vertical
Leg（2）, the vertical leg is for pouring in the concrete component（3）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736105.7A CN107313404A (en) | 2017-08-24 | 2017-08-24 | A kind of expansion joint water sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710736105.7A CN107313404A (en) | 2017-08-24 | 2017-08-24 | A kind of expansion joint water sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107313404A true CN107313404A (en) | 2017-11-03 |
Family
ID=60177248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710736105.7A Pending CN107313404A (en) | 2017-08-24 | 2017-08-24 | A kind of expansion joint water sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107313404A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2707811Y (en) * | 2004-04-15 | 2005-07-06 | 贵州云马飞机制造厂 | Concrete faced rockfill dam copper water stop integral compromise joint |
| RU58560U1 (en) * | 2006-01-10 | 2006-11-27 | ФГОУ ВПО "Новочеркасская государственная мелиоративная академия" НГМА | EXPANSION JOINT |
| CN103696396A (en) * | 2013-11-25 | 2014-04-02 | 中国水利水电科学研究院 | Water-seal structure with expansion joint and spraying and filling construction method for forming same |
| CN204385775U (en) * | 2014-12-23 | 2015-06-10 | 江苏省水利建设工程有限公司 | Underground waterproof engineering water-stopping structure |
| CN106012975A (en) * | 2016-07-15 | 2016-10-12 | 北京中水科海利工程技术有限公司 | Outer protecting type copper water stop structure and outer protecting method thereof |
| CN207362800U (en) * | 2017-08-24 | 2018-05-15 | 北京中水科海利工程技术有限公司 | A kind of expansion joint water sealing structure |
-
2017
- 2017-08-24 CN CN201710736105.7A patent/CN107313404A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2707811Y (en) * | 2004-04-15 | 2005-07-06 | 贵州云马飞机制造厂 | Concrete faced rockfill dam copper water stop integral compromise joint |
| RU58560U1 (en) * | 2006-01-10 | 2006-11-27 | ФГОУ ВПО "Новочеркасская государственная мелиоративная академия" НГМА | EXPANSION JOINT |
| CN103696396A (en) * | 2013-11-25 | 2014-04-02 | 中国水利水电科学研究院 | Water-seal structure with expansion joint and spraying and filling construction method for forming same |
| CN204385775U (en) * | 2014-12-23 | 2015-06-10 | 江苏省水利建设工程有限公司 | Underground waterproof engineering water-stopping structure |
| CN106012975A (en) * | 2016-07-15 | 2016-10-12 | 北京中水科海利工程技术有限公司 | Outer protecting type copper water stop structure and outer protecting method thereof |
| CN207362800U (en) * | 2017-08-24 | 2018-05-15 | 北京中水科海利工程技术有限公司 | A kind of expansion joint water sealing structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
|
| RJ01 | Rejection of invention patent application after publication |