CN206512737U - A kind of dam foundation of water seepage prevention - Google Patents
A kind of dam foundation of water seepage prevention Download PDFInfo
- Publication number
- CN206512737U CN206512737U CN201720100826.4U CN201720100826U CN206512737U CN 206512737 U CN206512737 U CN 206512737U CN 201720100826 U CN201720100826 U CN 201720100826U CN 206512737 U CN206512737 U CN 206512737U
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- CN
- China
- Prior art keywords
- dam
- ground
- concrete layer
- main body
- seepage prevention
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- 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.)
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Abstract
The utility model discloses a kind of dam foundation of water seepage prevention, dam ground including building the trapezoidal body structure in rock-soil layer, dam ground is provided with dam main body, the upper end of dam ground is provided with the concave inward structure agreed with dam main body lower end, the middle part of concave inward structure is provided with the lug boss of trapezoidal body, dam main body respective protrusions portion is provided with inner fovea part, dam main body includes fixing the heap rock layers agreed with and the first concrete layer being located in heap rock layers with lug boss, the upstream side of first concrete layer is also sequentially equipped with geotextile layer and the second concrete layer, first concrete layer, geotextile layer and the second concrete layer lower end all extend in the concave inward structure of dam ground and fitted with dam ground concave inward structure surface, the concave inward structure of dam ground on the corner of dam main body lower end joint place with being equipped with expansion sealing strip, it can make dam foundation that there is good water seepage prevention effect by the utility model scheme, the structural reliability of dam is set to be guaranteed.
Description
Technical field
The utility model is related to water resources dam field, especially a kind of dam foundation of water seepage prevention.
Background technology
Reservoir is the critical facility of Conservancy industry, with flood control, irrigation, generating shipping, town and country water supply and aquaculture
Function, construction of reservoir can resist flood with Adjust and use water resource, and remove the evil Xing Li, promotes national economic development and ensures
People life property safety, ancients have cloud " A solid dyke can collapse because of an ant hole in it ", it is desirable to make dam after construction can it is easy to maintenance and
Using permanent, the construction of dam foundation is reliably essential, because dam foundation is immersed in below the water surface for a long time, for a long time by
Corroded to water body, if without reliable waterproof measure, easily causing dam intensity continuous in the case where the water body accumulated over a long period corrodes
Decline, flood control by dam water-holding capacity is had a greatly reduced quality, due to the construction of traditional reservoir, strict, the residing geographical position of addressing requirement
Enough water storage spaces should be had by putting, and have the river of approach or the water source of abundance again, often due to the change of geographical and weather,
Some reservoir sewage can store, and also have some reservoirs because of dam body thickness low LCL, often there is the risk of dam break, due to technology restriction, very greatly
A part of engineering flood control standard is low, and construction quality is poor, as dangerously weak reseroirs.
The content of the invention
In order to solve the deficiencies in the prior art, the purpose of this utility model is to provide a kind of stabilized structure, waterproof effect
The dam foundation of good water seepage prevention.
In order to realize above-mentioned technical purpose, the technical solution of the utility model is：A kind of dam foundation of water seepage prevention,
Including building the dam ground in rock-soil layer, described dam ground is provided with dam main body, and described dam ground is in ladder
Physique structure, the upper end of dam ground is provided with the middle part of the concave inward structure agreed with dam main body lower end, the concave inward structure and set
Have a lug boss of trapezoidal body, described dam main body respective protrusions portion is provided with inner fovea part, described dam main body include with it is big
Dam ground lug boss fixes the heap rock layers agreed with and the first concrete layer being arranged in heap rock layers, the first of the dam main body
The upstream side of concrete layer is also sequentially equipped with geotextile layer and the second concrete layer, described the first concrete layer, geotechnique
Tissue layer and the second concrete layer lower end all extend in the concave inward structure of dam ground and with dam ground concave inward structure surface
Laminating, the concave inward structure of the dam ground on the corner of dam main body lower end joint place with being equipped with expansion sealing strip.
Further, correspondence expansion sealing strip position is additionally provided with for monitoring the bright penetration degree of moisture on described dam ground
Permeation sensor, described permeation sensor is connected with the control main frame communication of dam Central Control Room.
Further, the side and bottom surface that described dam ground is contacted with rock-soil layer are equipped with the first bituminous water-proof coating.
Further, described dam ground lower surface is additionally provided with the spud pile for being further inserted into rock-soil layer.
Further, the first described concrete layer upper surface is provided with the second bituminous water-proof coating.
Further, the first described concrete layer is fitted positioned at the lower end outer surface in downstream with the upper surface of dam ground
Place is fixed with PVC water blocking tapes, and described the second concrete layer lower end outer surface and the upper surface joint place of dam ground is fixed
Provided with PVC water blocking tapes.
Further, the lower surface in the first described concrete layer downstream is equipped with reinforcing bar, and the described reinforcing bar other end prolongs
Extend in dam ground.
Further, framework of steel reinforcement is provided with the second described concrete layer, described framework of steel reinforcement is handed over for some transverse and longitudinals
The network that wrong reinforcing bar is constituted, described framework of steel reinforcement lower end is extended in dam ground.
Further, described expansion sealing strip is putty type water-swelling rubber water bar.
Using above-mentioned technical scheme, the beneficial effects of the utility model are：By by dam ground and dam main body
Upper end coordinates side to be arranged to concave inward structure, and sets the lug boss of prismatoid in the middle part of concave inward structure, enables dam main body steady
It is fixed to stand on dam ground, and it is respectively provided with expansion sealing strip and infiltration biography in dam main body and dam foundation fitting part
Sensor, once dam main body and the fit clearance of dam ground seep water, expansion sealing strip will water swelling raising gap
Sealing, it is to avoid because infiltration is excessive and causes corrosion, make the reduction of dam main body flood control capacity, while entering using permeation sensor
Row monitors the infiltration situation of dam in real time, in order to which the very first time takes counter-measure, is also located in addition in the first concrete layer
The lower end outer surface in downstream is fixed with PVC water blocking tapes, the second concrete layer lower end with the upper surface joint place of dam ground
Outer surface and the upper surface joint place of dam ground are fixed with PVC water blocking tapes further to improve the infiltration of dam foundation
Can so that the estimated service life of dam is to be fully ensured.
Brief description of the drawings
The utility model is further elaborated with reference to the accompanying drawings and detailed description：
Fig. 1 is the partial cutaway schematic of the utility model dam；
Fig. 2 is the close-up schematic view at A in Fig. 1；
Fig. 3 is the close-up schematic view at B in Fig. 1；
Fig. 4 is the close-up schematic view at C in Fig. 1；
Fig. 5 is the close-up schematic view at D in Fig. 1；
Fig. 6 is the diagrammatic cross-section at E-E in Fig. 1.
Embodiment
As shown in Fig. 1 to one of 6, the utility model includes building the dam ground 1 in rock-soil layer 3, described dam
Ground 1 is provided with dam main body 2, and the trapezoidal body structure of described dam ground 1, the upper end of dam ground 1 is provided with and dam master
The concave inward structure that the lower end of body 2 is agreed with, the middle part of the concave inward structure is provided with the lug boss 14 of trapezoidal body, described dam main body
2 respective protrusions portions 14 are provided with inner fovea part, and described dam main body 2 includes fixing the enrockment agreed with the lug boss 14 of dam ground 1
Layer 21 and the first concrete layer 22 being arranged in heap rock layers 21, the upstream side of the first concrete layer 22 of the dam main body 2
Also sequentially it is equipped with the concrete layer 24 of geotextile layer 23 and second, described the first concrete layer 22, the and of geotextile layer 23
The lower end of second concrete layer 24 all extends in the concave inward structure of dam ground 1 and fitted with the concave inward structure surface of dam ground 2,
The concave inward structure of the dam ground 2 on the corner of the lower end joint place of dam main body 2 with being equipped with expansion sealing strip 12.
The infiltration of dam ground 1 and the fit clearance of dam main body 2 is monitored for convenience, further, described dam
Correspondence expansion sealing strip 12 position is additionally provided with the permeation sensor 13 for monitoring moisture penetration degree on base, and described infiltration is passed
Sensor 13 is connected with the control main frame communication of dam Central Control Room, when dam ground 1 and the fit clearance of dam main body 2 appearance infiltration feelings
During condition, water swelling can occur for expansion sealing strip 12 first, make expansion sealing strip 12 that fit clearance is tightly packed, it is to avoid alleviate
Infiltration, while permeation sensor 13 can feed back to the infiltration situation of present position in the control main frame of dam Central Control Room, makes behaviour
Relevant information can be received the very first time by making personnel, it is preferred that described permeation sensor 13 is that pressure sensor and humidity are passed
Sensor is constituted, it is preferred that described expansion sealing strip 12 is putty type water-swelling rubber water bar..
In order to avoid dam ground 1 seeps water with rock-soil layer 3 during Long Term Contact so that dam ground 1 is in temperature
Infiltration in the case that degree is relatively low in dam ground 1 occurs freezing icing and expanding causes the structure of dam ground 1 to be destroyed, described
The side and bottom surface that dam ground 1 is contacted with rock-soil layer 3 are equipped with the first bituminous water-proof coating 11, in addition to improving dam ground
1 stability maintenance, the described lower surface of dam ground 1 is additionally provided with the spud pile 15 for being further inserted into rock-soil layer 3.
Due to dam main body 2 upstream side be sandwich construction, in order to avoid rainwater penetrates into greatly from the gap of sandwich construction
Dam main body 2, further, the described upper surface of the first concrete layer 22 are provided with the second bituminous water-proof coating 27, in addition, described first
Concrete layer 22 is located at the lower end outer surface in downstream and is fixed with PVC water blocking tapes 25 with the upper surface joint place of dam ground 1,
The described lower end outer surface of the second concrete layer 24 and the upper surface joint place of dam ground are fixed with PVC water blocking tapes 25, lead to
Crossing PVC water blocking tapes 25 the outer surface junction of dam main body 2 and dam ground 1 can be avoided to be washed away for a long time by water causes corrosion.
In order to improve the secure bond intensity of dam main body 2 and dam ground 1, the described downstream of the first concrete layer 22
Lower surface be equipped with reinforcing bar 26, the described other end of reinforcing bar 26 is extended in dam ground, the second described concrete layer 24
Interior to be provided with framework of steel reinforcement 241, the network that described framework of steel reinforcement 241 is constituted for the reinforcing bar that some transverse and longitudinals are interlocked is described
The lower end of framework of steel reinforcement 241 extend in dam ground 1.
Embodiment of the present utility model is the foregoing described, it will be appreciated by those of skill in the art that this is only to lift
Example explanation, those skilled in the art, can be to this embodiment party on the premise of without departing substantially from principle of the present utility model and essence
Formula makes various changes or modifications, but these changes and modification each fall within protection domain of the present utility model.
Claims (9)
1. set on a kind of dam foundation of water seepage prevention, including the dam ground built in rock-soil layer, described dam ground
There is dam main body, it is characterised in that：The trapezoidal body structure of described dam ground, the upper end of dam ground is provided with and dam main body
The concave inward structure that lower end is agreed with, the middle part of the concave inward structure is provided with the lug boss of trapezoidal body, described dam main body correspondence
Lug boss is provided with inner fovea part, and described dam main body includes fixing the heap rock layers agreed with dam ground lug boss and is arranged on heap
The first concrete layer in rock layers, the upstream side of the first concrete layer of the dam main body is also sequentially equipped with geotextile layer
With the second concrete layer, described the first concrete layer, geotextile layer and the second concrete layer lower end are with all extending to dam
Fitted in the concave inward structure of base and with dam ground concave inward structure surface, under the concave inward structure and dam main body of the dam ground
Expansion sealing strip is equipped with the corner for holding joint place.
2. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：It is right on described dam ground
Expansion sealing strip position is answered to be additionally provided with the permeation sensor for monitoring moisture penetration degree, described permeation sensor and dam
The control main frame communication connection of Central Control Room.
3. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：Described dam ground and rock
The side and bottom surface of soil layer contact are equipped with the first bituminous water-proof coating.
4. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：Described dam ground lower end
Face is additionally provided with the spud pile for being further inserted into rock-soil layer.
5. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：The first described concrete layer
Upper surface is provided with the second bituminous water-proof coating.
6. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：The first described concrete layer
PVC water blocking tapes are fixed with positioned at the lower end outer surface in downstream and the upper surface joint place of dam ground, described second is mixed
Solidifying soil layer lower end outer surface and the upper surface joint place of dam ground are fixed with PVC water blocking tapes.
7. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：The first described concrete layer
The lower surface in downstream is equipped with reinforcing bar, and the described reinforcing bar other end is extended in dam ground.
8. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：The second described concrete layer
It is interior to be provided with framework of steel reinforcement, the network that described framework of steel reinforcement is constituted for the reinforcing bar that some transverse and longitudinals are interlocked, described reinforcing bar
Skeleton lower end is extended in dam ground.
9. a kind of dam foundation of water seepage prevention according to claim 1, it is characterised in that：Described expansion sealing strip is
Putty type water-swelling rubber water bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100826.4U CN206512737U (en) | 2017-01-24 | 2017-01-24 | A kind of dam foundation of water seepage prevention |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720100826.4U CN206512737U (en) | 2017-01-24 | 2017-01-24 | A kind of dam foundation of water seepage prevention |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206512737U true CN206512737U (en) | 2017-09-22 |
Family
ID=59866643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720100826.4U Expired - Fee Related CN206512737U (en) | 2017-01-24 | 2017-01-24 | A kind of dam foundation of water seepage prevention |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206512737U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761107A (en) * | 2020-12-24 | 2021-05-07 | 中国水电基础局有限公司 | Plain river channel bayonet levee and construction method thereof |
-
2017
- 2017-01-24 CN CN201720100826.4U patent/CN206512737U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761107A (en) * | 2020-12-24 | 2021-05-07 | 中国水电基础局有限公司 | Plain river channel bayonet levee and construction 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 Termination date: 20210124 |