CN208055997U - Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure - Google Patents
Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure Download PDFInfo
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- CN208055997U CN208055997U CN201820514816.XU CN201820514816U CN208055997U CN 208055997 U CN208055997 U CN 208055997U CN 201820514816 U CN201820514816 U CN 201820514816U CN 208055997 U CN208055997 U CN 208055997U
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- dam foundation
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- core wall
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Abstract
The utility model is related to water conservancy and hydropower earth and rockfill dam construction applications, especially one kind being effectively improved rockfill dam with asphalt concrete core dam foundation impervious wall stress deformation defect, to increase substantially the asphaltic concrete core wall and dam foundation concrete watertight wall joint structure of dam body seepage performance, including asphaltic concrete core wall and dam foundation concrete cut, the asphaltic concrete core wall and dam foundation concrete cut are staggeredly arranged along flow flow direction, wherein asphaltic concrete core wall is set to the Upstream section of flow, dam foundation concrete cut is set to the tract of flow, it is connected by flexible bituminous concrete between the asphaltic concrete core wall and dam foundation concrete cut.The utility model is reasonable for structure, reliable, can improve the whole seepage capability of enrockment dam body, while also having the advantages of simple in structure, easy construction.The utility model is particularly suitable among water power earth and rockfill dam structure construction structure.
Description
Technical field
The utility model is related to water conservancy and hydropower earth and rockfill dam construction applications, especially a kind of asphaltic concrete core wall is mixed with the dam foundation
Solidifying soil cut-pff wall joint structure.
Background technology
Soil-core-wall rock-fill dam is a kind of home and abroad water conservancy and the widely used dam type of hydroelectric project, on deep covering layer
Rockfill dam with asphalt concrete core generally use the pattern directly docked with dam foundation impervious wall of asphaltic concrete core wall.In reality
In use, since the gravity load of this asphaltic concrete core wall directly acts on dam foundation concrete cut, keep the dam foundation mixed
Solidifying soil cut-pff wall stress deformation outstanding problem, as height of dam increases, dam foundation concrete cut stress also increases, mixed until exceeding
The strength grade requirement of solidifying soil cut-pff wall, to make the height of dam for building rockfill dam with asphalt concrete core on coating be limited
System.When on the ultra-deep thick-covering based on engineering is located at fine grained, dam foundation sedimentation and deformation problem is more prominent, and the dam foundation is uneven
Even deformation and dam foundation cumulative settling is big, rockfill dam with asphalt concrete core dam body and dam foundation deformation and stress are complicated, cut-pff wall is answered
Power deformation protrudes.Currently, there is no preferable solution to the problems described above.
Utility model content
The technical problem to be solved by the utility model is to provide one kind being effectively improved rockfill dam with asphalt concrete core dam
Base cut-pff wall stress deformation defect, the asphaltic concrete core wall and dam foundation concrete to increase substantially dam body seepage performance are anti-
Ooze wall joint structure.
Technical solution adopted by the utility model to solve its technical problems is：Asphaltic concrete core wall and dam foundation concrete
Cut-pff wall joint structure, including asphaltic concrete core wall and dam foundation concrete cut, the asphaltic concrete core wall and the dam foundation
Concrete cut is staggeredly arranged along flow flow direction, and wherein asphaltic concrete core wall is set to the Upstream section of flow, the dam foundation
Concrete cut is set to the tract of flow, by soft between the asphaltic concrete core wall and dam foundation concrete cut
Property bituminous concrete connection.
Further, the bottom of the asphaltic concrete core wall is equipped with the concrete mats holder structure of built-in irrigation gallery.
Further, the pedestal of the asphaltic concrete core wall is provided at least one grout hole.
Further, the upstream side of the asphaltic concrete core wall is provided with upstream transition layer structure.
Further, the upstream side of the upstream transition layer structure is provided with rockfill area.
Further, the downstream side of the dam foundation concrete cut is provided with downstream transition layer structure.
Further, the downstream side of the downstream transition layer structure is provided with rockfill area.
Further, the downstream side of the downstream transition layer structure is provided with anti-filter drainage blanket structure.
Further, the basis instrument between the upstream transition layer structure and downstream transition layer structure has consolidation grouting
Structure.
Further, cushion layer structure is provided with below the flexibility bituminous concrete, setting below the cushion layer structure
Having can material filling layer.
The utility model has the beneficial effects that：The utility model combines actual space layout feature, cleverly by pitch
Concrete core-wall is staggeredly arranged with dam foundation concrete cut, to solve asphaltic concrete core wall and dam foundation concrete anti-seepage
The stress outstanding problem of the deformation of wall and stress combination superposition.Increased flexibility bituminous concrete solves asphaltic concrete core wall
With the inhomogeneous deformation problem of dam foundation concrete cut.Wherein, due to the advantage of the structure of the utility model, above-mentioned coagulation is allowed
The size of the pedestal of soil can be adjusted as the case may be, solve traditional asphalt pedestal stress outstanding problem.This practicality is new
Type is reasonable for structure, reliable, can improve the whole seepage capability of enrockment dam body, while also having simple in structure, easy construction excellent
Point.The utility model is particularly suitable among water power earth and rockfill dam structure construction structure.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure label for：Asphaltic concrete core wall 1, dam foundation concrete cut 2, flexible bituminous concrete 3, rockfill area 4,
Upstream transition layer structure 5, downstream transition layer structure 6, cushion layer structure 7, anti-filter drainage blanket structure 8, consolidation grouting structure 9, coagulation
Native base structure 11, grout hole 12, can material filling layer 13.
Specific implementation mode
The utility model is further illustrated below in conjunction with the accompanying drawings.
Asphaltic concrete core wall as shown in Figure 1 and dam foundation concrete watertight wall joint structure, including the bituminous concrete heart
Wall 1 and dam foundation concrete cut 2, the asphaltic concrete core wall 1 and dam foundation concrete cut 2 are along flow flow direction mistake
Arrangement is opened, wherein asphaltic concrete core wall 1 is set to the Upstream section of flow, and dam foundation concrete cut 2 is set under flow
Section is swum, is connected by flexible bituminous concrete 3 between the asphaltic concrete core wall 1 and dam foundation concrete cut 2.
In actual use, as shown in Figure 1, wherein directions of the Fig. 1 from left side to right side is flow flow direction, i.e. Fig. 1
Left side be Upstream section, the right side of Fig. 1 is tract.Due to by asphaltic concrete core wall 1 and dam foundation concrete cut 2 along water
Stream flow direction is staggeredly arranged, to solve the deformation of asphaltic concrete core wall 1 and dam foundation concrete cut 2 and stress group
The stress outstanding problem for closing superposition, under such structure design, asphaltic concrete core wall 1 is no longer directly anti-with dam foundation concrete
The docking of wall 2 is oozed, is directly acted on dam foundation concrete cut 2 so as to avoid the gravity load of asphaltic concrete core wall 1.?
When practice of construction, 2 top structure of dam foundation concrete cut can select to do sloping cheese, to reduce dam foundation concrete
Vertical load on cut-pff wall 2 further reduces stress and the deformation of dam foundation concrete cut 2.The utility model is being protected
Under the premise of demonstrate,proving dam stabilization safety, dam foundation concrete cut 2, asphaltic concrete core wall 1 and concrete mats can be substantially improved
The stress state of holder structure 11, and it is effectively improved the deep Foundation Anti-seepage effect of dam and seepage control of dam safety, simple in structure, conjunction
It manages, is easy for construction.
For the ease of the safety detection and later stage anti-Seepage of joint structure, such scheme can be selected：The pitch
The bottom of concrete core-wall 1 be equipped with built-in irrigation gallery concrete mats holder structure 11 and downstream side can material filling area 13.Such as Fig. 1
Shown, concrete mats holder structure 11 can facilitate the anti-Seepage grouting operation in later stage.Further, the bituminous concrete heart
At least one grout hole 12 is arranged in the pedestal of wall 1, is convenient for corresponding cementing operations.
In addition, in order to ensure that overall structure is more reliable and stable, can select in the upper of the asphaltic concrete core wall 1
Side setting upstream transition layer structure 5 is swum, and rockfill area 4, the downstream are set in the upstream side of the upstream transition layer structure 5
The downstream side of transition layer structure 6 is provided with rockfill area 4.Likewise, can also select under the dam foundation concrete cut 2
Side setting downstream transition layer structure 6 is swum, and in the downstream side of the downstream transition layer structure 6 setting anti-filter drainage blanket structure 8.
In general, it is preferred that the basis instrument between the upstream transition layer structure 5 and downstream transition layer structure 6 has consolidation to fill
Structure 9 is starched, it is integrally-built firm to ensure, furthermore it is also possible to which bed course knot is arranged below the flexible bituminous concrete 3
Structure 7, the lower section of the cushion layer structure 7 be provided with can material filling layer 13, to further improve and optimize structure barrier performance.
The utility model combines actual space layout feature, cleverly prevents asphaltic concrete core wall and dam foundation concrete
It oozes wall to be staggeredly arranged, superposition is combined to solve asphaltic concrete core wall with the deformation of dam foundation concrete cut and stress
Stress outstanding problem.Increased flexibility bituminous concrete solves the unevenness of asphaltic concrete core wall and dam foundation concrete cut
Even problem on deformation.Wherein, due to the advantage of the structure of the utility model, allow the size of pedestal of above-mentioned concrete can be according to specific
Situation is adjusted, and solves traditional asphalt pedestal stress outstanding problem, has very wide market promotion prospect.
Claims (10)
1. asphaltic concrete core wall and dam foundation concrete watertight wall joint structure, including asphaltic concrete core wall (1) and the dam foundation mix
Solidifying soil cut-pff wall (2), it is characterised in that：The asphaltic concrete core wall (1) and dam foundation concrete cut (2) are flowed along flow
Direction is staggeredly arranged, and wherein asphaltic concrete core wall (1) is set to the Upstream section of flow, dam foundation concrete cut (2) setting
Pass through flexible pitch coagulation between the tract of flow, the asphaltic concrete core wall (1) and dam foundation concrete cut (2)
Native (3) connection.
2. asphaltic concrete core wall as described in claim 1 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The bottom for stating asphaltic concrete core wall (1) is equipped with the concrete mats holder structure (11) of built-in irrigation gallery.
3. asphaltic concrete core wall as claimed in claim 1 or 2 and dam foundation concrete watertight wall joint structure, feature exist
In：The pedestal of the asphaltic concrete core wall (1) is provided at least one grout hole (12).
4. asphaltic concrete core wall as described in claim 1 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The upstream side for stating asphaltic concrete core wall (1) is provided with upstream transition layer structure (5).
5. asphaltic concrete core wall as claimed in claim 4 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The upstream side for stating upstream transition layer structure (5) is provided with rockfill area (4).
6. asphaltic concrete core wall as claimed in claim 4 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The downstream side for stating dam foundation concrete cut (2) is provided with downstream transition layer structure (6).
7. asphaltic concrete core wall as claimed in claim 6 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The downstream side for stating downstream transition layer structure (6) is provided with rockfill area (4).
8. asphaltic concrete core wall as claimed in claim 7 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
The downstream side for stating downstream transition layer structure (6) is provided with anti-filter drainage blanket structure (8).
9. asphaltic concrete core wall as claimed in claim 6 and dam foundation concrete watertight wall joint structure, it is characterised in that：Institute
Stating the basis instrument between upstream transition layer structure (5) and downstream transition layer structure (6) has consolidation grouting structure (9).
10. asphaltic concrete core wall as claimed in claim 9 and dam foundation concrete watertight wall joint structure, it is characterised in that：
Cushion layer structure (7) is provided with below the flexibility bituminous concrete (3), being provided with below the cushion layer structure (7) can material filling layer
(13)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514816.XU CN208055997U (en) | 2018-04-11 | 2018-04-11 | Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514816.XU CN208055997U (en) | 2018-04-11 | 2018-04-11 | Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208055997U true CN208055997U (en) | 2018-11-06 |
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ID=63986009
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820514816.XU Active CN208055997U (en) | 2018-04-11 | 2018-04-11 | Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure |
Country Status (1)
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301384A (en) * | 2018-04-11 | 2018-07-20 | 中国电建集团成都勘测设计研究院有限公司 | Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure |
-
2018
- 2018-04-11 CN CN201820514816.XU patent/CN208055997U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108301384A (en) * | 2018-04-11 | 2018-07-20 | 中国电建集团成都勘测设计研究院有限公司 | Asphaltic concrete core wall and dam foundation concrete watertight wall joint structure |
| CN108301384B (en) * | 2018-04-11 | 2024-04-19 | 中国电建集团成都勘测设计研究院有限公司 | Joint structure of asphalt concrete core wall and dam foundation concrete impervious wall |
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