CN204225039U - A kind of gravity dam structure - Google Patents
A kind of gravity dam structure Download PDFInfo
- Publication number
- CN204225039U CN204225039U CN201420584292.3U CN201420584292U CN204225039U CN 204225039 U CN204225039 U CN 204225039U CN 201420584292 U CN201420584292 U CN 201420584292U CN 204225039 U CN204225039 U CN 204225039U
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- Prior art keywords
- gravity dam
- bank protection
- ground
- backplate
- toe
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Abstract
The utility model discloses a kind of gravity dam structure, comprise concrete gravity dam, outside concrete gravity dam, backplate is installed, concrete gravity dam is fixed on the ground by a dowel, seepage proof curtain is connected with between backplate and ground, seepage proof curtain is arranged on outside dowel, concrete gravity dam one side is provided with bank protection, be connected by cement sand bed between bank protection with concrete gravity dam, transverse joint is had in bank protection, more than one of transverse joint, and be laterally arranged in bank protection in upper and lower structural arrangement, transverse joint height is between five to ten millimeters, angle of inclination between bank protection and ground is between 30 degree to 45 degree, inclination place between bank protection and ground is provided with toe, toe be arranged in parallel on the ground.This gravity dam structure is under hydraulic pressure effect, and toe bears very little moment of flexure, and after superposing with dam body gravity load, toe is in pressured state, eliminates the potential danger be opened, and have good anti-seismic performance, stagnant water effect is obvious simultaneously.
Description
Technical field
The utility model relates to a kind of water conservancy projects, particularly a kind of gravity dam structure.
Background technology
Exploitation hydraulic power potentials is the important energy strategy developing policy of current China, and water power plays important role as a kind of renewable and clean energy resource in national economy.Concrete gravity dam is widely used in construction of hydropower plant as a kind of common dam structure form.Wherein dam body seepage is except dependence concrete self barrier performance, also comprise transverse joint antiseepage between monolith, Foundation Anti-seepage establishes seepage proof curtain usually below dam body foundation plane, therefore structure feature is: under the comprehensive function of the load such as water pressure and deadweight, toe region is low pressure is even locally Tension Stress Zone, larger pressure is born in toe region, and under seismic loading, toe regional stress scope can expand gradually.But general gravity dam structural-load-carrying capacity is limited, can not reach desirable supporting effect.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the problems referred to above, and provide a kind of under hydraulic pressure effect, toe bears very little moment of flexure, and after superposing with dam body gravity load, toe is in pressured state, eliminates the gravity dam structure of the potential danger be opened.
To achieve these goals, the technical solution adopted in the utility model is such: gravity dam structure of the present utility model, comprise concrete gravity dam, outside concrete gravity dam, backplate is installed, concrete gravity dam is fixed on the ground by a dowel, seepage proof curtain is connected with between backplate and ground, seepage proof curtain is arranged on outside dowel, concrete gravity dam one side is provided with bank protection, be connected by cement sand bed between bank protection with concrete gravity dam, transverse joint is had in bank protection, more than one of transverse joint, and be laterally arranged in bank protection in upper and lower structural arrangement, transverse joint height is between five to ten millimeters, angle of inclination between bank protection and ground is between 30 degree to 45 degree, inclination place between bank protection and ground is provided with toe, toe be arranged in parallel on the ground.
Further, as a kind of concrete form of structure, the angle of transverse joint described in the utility model and vertical plane is between 45 degree to 90 degree.
Further, as a kind of concrete form of structure, be provided with structure reinforcing bars in transverse joint described in the utility model, structure reinforcing bars two ends are fixed on bank protection.
Further, as a kind of concrete form of structure, backplate height described in the utility model is less than concrete gravity dam height.
Further, as a kind of concrete form of structure, dowel width described in the utility model is between one to two centimetre.
Further, as a kind of concrete form of structure, toe height described in the utility model is between 0. five to one centimetre.
Further, as a kind of concrete form of structure, backplate described in the utility model adopts Steel material to make.
Further, as a kind of concrete form of structure, backplate described in the utility model has the groove mated with concrete gravity dam.
Further, as a kind of concrete form of structure, seepage proof curtain described in the utility model is two, and seepage proof curtain and backplate junction are provided with sealing piece.
Further, as a kind of concrete form of structure, seepage proof curtain height described in the utility model is between one to two centimetre.
Compared with prior art, the utility model has the advantage of: this gravity dam structure is under hydraulic pressure effect, and toe bears very little moment of flexure, after superposing with dam body gravity load, toe is in pressured state, eliminates the potential danger be opened, have good anti-seismic performance, stagnant water effect is obvious simultaneously.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is structural representation of the present utility model;
In figure: 1. concrete gravity dam; 2. backplate; 3. bank protection; 4. transverse joint; 5. seepage proof curtain; 6. dowel; 7. ground; 8. toe.
Detailed description of the invention
By reference to the accompanying drawings the utility model is described in further detail now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
The preferred embodiment of the utility model gravity dam structure as shown in Figure 1, comprise concrete gravity dam 1, backplate 2 is installed outside concrete gravity dam 1, concrete gravity dam 1 is fixed on ground 7 by a dowel 6, seepage proof curtain 5 is connected with between backplate 2 and ground 7, seepage proof curtain 5 is arranged on outside dowel 6, concrete gravity dam 1 one side is provided with bank protection 3, be connected by cement sand bed between bank protection 3 with concrete gravity dam 1, transverse joint 4 is had in bank protection 3, more than one of transverse joint 4, and be laterally arranged in bank protection 3 in upper and lower structural arrangement, transverse joint 4 height is between five to ten millimeters, angle of inclination between bank protection 3 and ground 7 is between 30 degree to 45 degree, inclination place between bank protection 3 and ground 7 is provided with toe 8, toe 8 is set in parallel on ground 7, the angle of described transverse joint 4 and vertical plane is between 45 degree to 90 degree, in described transverse joint 4, structure reinforcing bars is installed, structure reinforcing bars two ends are fixed on bank protection 3, described backplate 2 is highly less than concrete gravity dam 1 height, described dowel 6 width is between one to two centimetre, described toe 8 height is between 0. five to one centimetre, described backplate 2 adopts Steel material to make, described backplate 2 has the groove mated with concrete gravity dam 1, described seepage proof curtain 5 is two, and seepage proof curtain 5 and backplate 2 junction are provided with sealing piece, described seepage proof curtain 5 height is between one to two centimetre.
Gravity dam structure of the present utility model is under hydraulic pressure effect, and toe bears very little moment of flexure, and after superposing with dam body gravity load, toe is in pressured state, eliminates the potential danger be opened, and have good anti-seismic performance, stagnant water effect is obvious simultaneously.The angle of described transverse joint 4 and vertical plane, between 45 degree to 90 degree, meets design concept; Be provided with structure reinforcing bars in described transverse joint 4, structure reinforcing bars two ends are fixed on bank protection 3, enhance the structural integrity of bank protection 3; Described backplate 2 is highly less than concrete gravity dam 1 height, makes it not affect the usability of concrete gravity dam 1; Described dowel 6 width is between one to two centimetre, and described toe 8 height is between 0. five to one centimetre, and result of use is very good; Described backplate 2 adopts Steel material to make, and the steel work of backplate 2 is strong; Described backplate 2 has the groove mated with concrete gravity dam 1, be convenient to the connection between backplate 2 and concrete gravity dam 1; Described seepage proof curtain 5 is two, and seepage proof curtain 5 and backplate 2 junction are provided with sealing piece, can play sealing effect; Described seepage proof curtain 5 height, between one to two centimetre, further increases sealing performance.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on manual, must determine its technical scope according to right.
Claims (7)
1. a gravity dam structure, comprise concrete gravity dam, it is characterized in that: outside concrete gravity dam, backplate is installed, concrete gravity dam is fixed on the ground by a dowel, seepage proof curtain is connected with between backplate and ground, seepage proof curtain is arranged on outside dowel, concrete gravity dam one side is provided with bank protection, be connected by cement sand bed between bank protection with concrete gravity dam, transverse joint is had in bank protection, more than one of transverse joint, and be laterally arranged in bank protection in upper and lower structural arrangement, transverse joint height is between five to ten millimeters, angle of inclination between bank protection and ground is between 30 degree to 45 degree, inclination place between bank protection and ground is provided with toe, toe be arranged in parallel on the ground,
Be provided with structure reinforcing bars in described transverse joint, structure reinforcing bars two ends are fixed on bank protection; Described backplate has the groove mated with concrete gravity dam; Described seepage proof curtain is two, and seepage proof curtain and backplate junction are provided with sealing piece.
2. gravity dam structure according to claim 1, is characterized in that: the angle of described transverse joint and vertical plane is between 45 degree to 90 degree.
3. gravity dam structure according to claim 1, is characterized in that: described backplate height is less than concrete gravity dam height.
4. gravity dam structure according to claim 1, is characterized in that: described dowel width is between one to two centimetre.
5. gravity dam structure according to claim 1, is characterized in that: described toe height is between 0. five to one centimetre.
6. gravity dam structure according to claim 1, is characterized in that: described backplate adopts Steel material to make.
7. gravity dam structure according to claim 1, is characterized in that: described seepage proof curtain height is between one to two centimetre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584292.3U CN204225039U (en) | 2014-10-11 | 2014-10-11 | A kind of gravity dam structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420584292.3U CN204225039U (en) | 2014-10-11 | 2014-10-11 | A kind of gravity dam structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204225039U true CN204225039U (en) | 2015-03-25 |
Family
ID=52923155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420584292.3U Expired - Fee Related CN204225039U (en) | 2014-10-11 | 2014-10-11 | A kind of gravity dam structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204225039U (en) |
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2014
- 2014-10-11 CN CN201420584292.3U patent/CN204225039U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170210 Address after: 473068 Zhongzhou Road, Henan, China, No. 836, No. Patentee after: HENAN LINGJIE WATER CONSERVANCY EXPLORATION DESIGN RESEARCH CO.,LTD. Address before: 518000 Guangdong city of Shenzhen province Futian District Huilong garden pavilion 301 Ka Patentee before: Huang Jie |
|
| 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: 20150325 Termination date: 20211011 |