CN207362800U - A kind of expansion joint water sealing structure - Google Patents
A kind of expansion joint water sealing structure Download PDFInfo
- Publication number
- CN207362800U CN207362800U CN201721067204.2U CN201721067204U CN207362800U CN 207362800 U CN207362800 U CN 207362800U CN 201721067204 U CN201721067204 U CN 201721067204U CN 207362800 U CN207362800 U CN 207362800U
- Authority
- CN
- China
- Prior art keywords
- expansion joint
- water stop
- sealing structure
- joint
- stop sheet
- 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.)
- Expired - Fee Related
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Abstract
It the utility model is related 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 equipped with includes at least two nose shape prominences to cross with the matched compromise joint in the expansion joint, the compromise joint；The material for silting well up is selected from plasticity clay, and the intersection silted well up and cover in the nose shape prominence.The utility model expansion joint water sealing structure, can significantly improve the reliability of sealing, prevent because metallic water stop compromise joint tear causes leak.
Description
Technical field
It the utility model is related to hydraulic engineering technical field, more particularly to expansion joint water-stop technology field.
Background technology
It would generally be equipped 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.
By taking Copper water stop as an example, it is about 1 millimeter usually to select thickness, and the stronger copper sheet of deformability is made.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 routinely makes for copper seal shown in Fig. 1
The expansion joint water sealing structure schematic diagram formed with state, copper seal is cast in concrete component 3, copper seal it is nose
The central axes of projection 1 are corresponding with the expansion joint of concrete component 3, and 1 inner cavity of nose shape prominence of copper seal is equipped with filler, with branch
1 inner cavity of nose shape prominence is supportted, while is also prevented from debris entrance.During hydraulic structure is run, when there are temperature stress or basis
Sedimentation, when causing the appearance of expansion joint 4 to be opened, settling or shear displacement, the meeting corresponding deformation of nose shape prominence 1 of Copper water stop, so as to rise
To water-stagnating effect.
Concrete extension joint exists as the intersection of " L " type, T-shape, Y-shaped or "+" type, expansion joint inside are pre-buried
Copper seal then corresponds to the abnormal shape such as " L " type, T-shape, Y-shaped or "+" type for existing and being crossed and being formed by multiple nose shape prominences and connects
Head.Engineering design side usually estimates the maximum opening of possibility, sedimentation or the shearing displacement at expansion joint when designing Copper water stop structure,
And then design with deforming matched Copper water stop nose 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 more 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 to cross 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
There are during infinitesimal deflection at remittance, Copper water stop compromise joint will be torn, and then leak.
In the case that Practical Project Copper water stop destroys, the destruction ratio at Copper water stop compromise joint is highest, is filled
Defend oneself this bright problem objective reality, and consequence is serious.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of expansion joint water sealing structure, sealing can be significantly improved
Reliability, prevents because metallic water stop compromise joint tear causes leak.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of expansion joint water sealing structure, bag
The metallic water stop sheet for being embedded in concrete component bottom in advance across expansion joint is included, and positioned at the metallic water stop sheet upstream face side
Silt well up；
Wherein, the metallic water stop sheet is equipped with includes extremely with the matched compromise joint in the expansion joint, the compromise joint
Few two nose shape prominences to cross；
The material for silting well up is selected from plasticity clay, and the intersection silted well up and cover in the nose shape prominence.
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 equipped 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 equipped with vertical leg, and the vertical leg is used to pour in the concrete structure
In part.
It is using beneficial effect caused by above-mentioned technical proposal：The utility model is used in metallic water stop compromise joint
Easy tear place above add and silt well up filled with plasticity cement, when expansion joint, deformation causes metallic water stop compromise joint to exist
During intersection's tear of nose shape prominence, the plasticity cement silted up in well will be compacted to breach inside under the action of water pressure
It is dynamic, and then 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 the utility model expansion joint water sealing structure；
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 problems, such as that the prior art uses metallic water stop compromise joint sealing poor reliability, the utility model is to existing
Technology makes improvements, there is provided a kind of expansion joint water sealing structure, passes through the structure above the easy tear place of metallic water stop compromise joint
Make connected with expansion joint silt well up, silt filling plasticity cement in well up, when metallic water stop compromise joint is torn by deformation,
Plasticity cement will silt sealing piece rent up under the action of water pressure, and to ensure water-stagnating effect, improving sealing can
By property.
The expansion joint water sealing structure of the utility model is made with reference to the accompanying drawings and detailed description further details of
Explanation.
A kind of expansion joint water sealing structure, including for being embedded in the metallic water stop of 3 bottom of concrete component 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 equipped with to cross nose with 4 matched compromise joint of expansion joint, compromise joint including at least two
Projection 1；
The material for silting well 6 up is selected from plasticity cement, and the intersection silted well up and cover in nose shape prominence 1.
It is that plasticity clay covers in the place that crosses of the nose shape prominence and formed that is, the utility model is so-called to silt well up
A plasticity cement, silt the populated after-pouring concrete of well up, plasticity cement can be wrapped up after concrete curing, so just
A well for filling plasticity clay is formd in inside concrete.After Copper water stop Tong Bi intersections destroy, plasticity clay can be
Under the action of external water 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, be preferably copper sheet, morphotropism, ductility performance are more preferable.
As preferred embodiment, silt the thickness of the plasticity cement of filling and height in well 6 up and be not less than 50 millimeters.
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 utility model refers to the bottom surface of plasticity cement to the vertical distance of top surface, it is thick
Degree refers to the ultimate range between the up contour point of plasticity cement level cross-sectionn, when plasticity cement is standard cylinder
When, so-called thickness is the diameter for representing cylinder.
Preferably, filling is equipped with filler 5 in the nose shape prominence 1 of metallic water stop sheet, to support nose shape prominence 1, ensures it
With enough morphotropism, while it 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 equipped with vertical leg 2, and when use is poured in concrete component 3, for further fixed gold
Belong to sealing piece, prevent its 4 position of off-design expansion joint.
4 water sealing structure of the utility model expansion joint can be applied to including but not limited to expansion joint 4 and there is " L " type, " T "
The situation of type, Y-shaped or "+" 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
1 "+" type intersection of projection, positioned at upstream face side, silts the full plasticity cement of filling in well 6 up, silts 6 top-to-bottom of well 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 is relatively good bonding with that must have between Copper water stop, between the two without the gap of connection；Otherwise water is by between the two
Gap area, then cannot form differential water pressures, and after Copper water stop Tong Bi intersections destroy, plasticity clay would not be in external water pressure
It will fail to wriggling at destruction, whole water sealing structure under effect）.When expansion joint 4, deformation causes Copper water stop "+" type abnormal shape to connect
During head tear, the plasticity cement silted up in well 6 will be wriggled, and then silt up under the action of water pressure to breach inside
Copper sheet rent, to ensure the water-stagnating effect of copper seal.
The utility model is described in detail above, using specific case to the utility model in the utility model
Embodiment is set forth, and the explanation of above example is only intended to help to understand the utility model, it is noted that for this
For those skilled in the art, on the premise of the utility model principle is not departed from, if can also be carried out to the utility model
Dry to improve, these improvement are also fallen into the protection domain of the utility model claims.
Claims (6)
- A kind of 1. 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 equipped with and the expansion joint（4）Matched compromise joint, the compromise joint are included at least Two nose shape prominences to cross（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 equipped 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 |
|---|---|---|---|
| CN201721067204.2U CN207362800U (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 |
|---|---|---|---|
| CN201721067204.2U CN207362800U (en) | 2017-08-24 | 2017-08-24 | A kind of expansion joint water sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207362800U true CN207362800U (en) | 2018-05-15 |
Family
ID=62422376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721067204.2U Expired - Fee Related CN207362800U (en) | 2017-08-24 | 2017-08-24 | A kind of expansion joint water sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207362800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313404A (en) * | 2017-08-24 | 2017-11-03 | 北京中水科海利工程技术有限公司 | A kind of expansion joint water sealing structure |
| CN112854489A (en) * | 2021-03-19 | 2021-05-28 | 北京中水科海利工程技术有限公司 | Concrete surface integral impervious layer and forming method thereof |
-
2017
- 2017-08-24 CN CN201721067204.2U patent/CN207362800U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107313404A (en) * | 2017-08-24 | 2017-11-03 | 北京中水科海利工程技术有限公司 | A kind of expansion joint water sealing structure |
| CN112854489A (en) * | 2021-03-19 | 2021-05-28 | 北京中水科海利工程技术有限公司 | Concrete surface integral impervious layer and forming method thereof |
| CN112854489B (en) * | 2021-03-19 | 2022-03-18 | 北京中水科海利工程技术有限公司 | Dam concrete surface integral impervious layer and forming method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180515 Termination date: 20180824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |