CN214033599U - Hydraulic engineering prevention of seepage water structure - Google Patents
Hydraulic engineering prevention of seepage water structure Download PDFInfo
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- CN214033599U CN214033599U CN202022752358.3U CN202022752358U CN214033599U CN 214033599 U CN214033599 U CN 214033599U CN 202022752358 U CN202022752358 U CN 202022752358U CN 214033599 U CN214033599 U CN 214033599U
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- seepage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 230000002265 prevention Effects 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000012528 membrane Substances 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 7
- 230000008595 infiltration Effects 0.000 claims description 6
- 238000001764 infiltration Methods 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The embodiment of the utility model discloses hydraulic engineering prevention of seepage water structure relates to hydraulic engineering technical field. Comprises a dam body and a dam foundation; the water seepage prevention structure comprises: the seepage-proofing layer is arranged on one side of the water retaining surface of the dam body, and the seepage-proofing connecting part is arranged at the connecting part between the dam body and the dam foundation; the method comprises the following steps: the impervious concrete layer is arranged on the dam foundation and is connected with the lower end of the impervious layer into a whole; a groove is formed in the center of the bottom of the impermeable concrete layer along the length direction, a bulge is arranged at the top of the dam foundation, and the bulge is embedded into the groove; and a water plugging material layer filled between the groove and the protrusion. The utility model discloses a prevention of seepage connecting portion that junction between dam body and dam foundation was equipped with have strengthened the prevention of seepage effect, have promoted the stability of dam body, can effectively avoid subsiding the crack that appears when dam foundation manger plate structure small amplitude downwards.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, in particular to hydraulic engineering prevention of seepage water structure.
Background
In recent years, dams have been vigorously built and mainly used for power generation, water flow stabilization/irrigation, flood prevention, reclamation of wastelands, water conversion, water landscape, and the like. In the process of constructing the dam, whether water seepage occurs is the key for the success of dam construction, at present, water seepage prevention structures such as a water retaining wall, a water retaining belt and a water retaining plate are generally adopted for water seepage prevention treatment, but due to the simple structure, after the water seepage prevention structure is flushed by water for a long time, the seepage prevention effect is reduced.
In order to achieve the purpose, a person skilled in the art performs anti-seepage treatment by combining the dam foundation water retaining structure and the dam body anti-seepage layer, and sets a waterproof structure layer between the dam foundation water retaining structure and the dam body anti-seepage layer for anti-seepage treatment, however, water at the bottom of the dam leaks downwards, which inevitably affects downward settlement of the dam foundation water retaining structure, causes cracks between the dam foundation water retaining structure and the dam body anti-seepage layer, reduces anti-seepage effect, and seriously affects stability of the dam body.
SUMMERY OF THE UTILITY MODEL
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a hydraulic engineering prevention of seepage water structure.
In order to achieve the purpose, the utility model adopts the following technical proposal that the seepage-proofing structure for the hydraulic engineering comprises a dam body and a dam foundation;
the water seepage prevention structure further comprises:
the impermeable layer is arranged on one side of the water retaining surface of the dam body,
the anti-seepage connecting part is arranged at the connecting part between the dam body and the dam foundation; the method comprises the following steps:
the impervious concrete layer is arranged on the dam foundation and is connected with the lower end of the impervious layer into a whole; a groove is formed in the center of the bottom of the impermeable concrete layer along the length direction, a bulge is arranged at the top of the dam foundation, and the bulge is embedded into the groove;
and a water plugging material layer filled between the groove and the protrusion.
Further, the cross section of the protrusion is in an inverted trapezoid shape, and the groove is matched with the protrusion.
Furthermore, a water plugging material layer is filled between the bottom of the impermeable concrete layer and the dam foundation.
Furthermore, a vertical water baffle is arranged between the bottom of the impermeable concrete layer and the dam foundation, the upper part of the water baffle is inserted into the impermeable concrete layer, and the lower part of the water baffle is inserted into the dam foundation.
Furthermore, integral impermeable geomembranes are laid on the impermeable concrete layer and two sides of the joint of the impermeable concrete layer and the dam foundation.
Furthermore, the impermeable layer is composed of a concrete layer and at least three layers of equally spaced flexible waterproof membranes vertically inserted in the concrete layer.
Still further, the method further comprises: the flexible waterproof film comprises a plurality of pipe bodies, wherein the pipe bodies are horizontally arranged in the connection position of the lower ends of the impermeable concrete layer and the impermeable layer in parallel, the moving direction of each pipe body is the same as that of the dam body, each pipe body corresponds to any flexible waterproof film arranged in the impermeable layer, the bottom end of each flexible waterproof film extends into the corresponding pipe body, a plurality of water seepage holes are formed in each pipe body, and the water seepage holes face the upstream face and are close to the flexible waterproof films.
Furthermore, a plurality of drain holes are formed in the bottom of each pipe body at equal intervals, each drain hole is communicated with a drain pipe, and the water outlet end of each drain pipe is arranged towards one side, away from the dam body, and extends into a collection well.
Further, the water plugging material layer is a water-soluble polyurethane grouting material.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an impervious connection portion that junction between dam body and dam foundation was equipped with specifically is through setting up the impervious concrete layer on the dam foundation to link into whole with the lower extreme of impervious layer, set up the impervious concrete layer bottom central authorities department along length direction flutedly, be equipped with the arch on the dam foundation, through embedding the arch in the recess, the effectual prevention of seepage effect that has strengthened has promoted the dam body's stability, has avoided subsiding the crack that appears when dam foundation manger plate structure small amplitude downwards, has effectively promoted the stability of dam body major structure safety and detail.
The utility model discloses an inside level at the lower extreme junction of prevention of seepage concrete layer and barrier layer sets up a plurality of bodys side by side, it is corresponding with the arbitrary flexible water proof membrane that the barrier layer was equipped with in every body, and in every flexible water proof membrane bottom extended to corresponding body, a plurality of infiltration holes have all been seted up on every body, the infiltration hole is towards the upstream face, and be close to flexible water proof membrane, for this reason, the inside water of barrier layer that will permeate blockked down at flexible water proof membrane, downward flow and in the pipe that infiltrates into and correspond, the drain pipe that is equipped with through the body bottom is derived, and judge the prevention of seepage effect through drain pipe exhaust water volume, and remind and need not carry out the prevention of seepage and handle.
Drawings
Fig. 1 is the utility model provides a pair of hydraulic engineering prevention of seepage water structure schematic diagram.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
A hydraulic engineering prevention of seepage water structure, as seen in fig. 1, includes dam body 1 and dam foundation 2, and prevention of seepage water structure still includes:
an impermeable layer 3 which is arranged on one side of the water retaining surface of the dam body 1,
the anti-seepage connecting part is arranged at the connecting part between the dam body 1 and the dam foundation 2; the method comprises the following steps:
the impermeable concrete layer 33 is arranged on the dam foundation 2 and is connected with the lower end of the impermeable layer 3 into a whole; a groove is formed in the center of the bottom of the impermeable concrete layer 33 along the length direction, a bulge 21 is arranged at the top of the dam foundation 2, and the bulge 21 is embedded into the groove;
and a water blocking material layer 211 filled between the groove and the protrusion 21.
Therefore, the anti-seepage connecting part is arranged at the connecting part between the dam body and the dam foundation, the anti-seepage concrete layer arranged on the dam foundation is connected with the lower end of the anti-seepage layer into a whole, the center of the bottom of the anti-seepage concrete layer is provided with the groove along the length direction, the dam foundation is provided with the bulge, the bulge is embedded into the groove, and the water plugging material layer is filled between the groove and the bulge, so that the anti-seepage effect is effectively enhanced, the crack generated when the water retaining structure of the dam foundation is settled downwards in a small range is effectively avoided, and the safety and the detailed stability of the main structure of the dam body are improved.
In order to further enhance the stability between the dam body and the dam foundation, the section of the bulge 21 is in an inverted trapezoid shape, the groove is matched with the bulge, meanwhile, the water plugging material layer 211 is filled between the bottom of the impermeable concrete layer 33 and the dam foundation 2, when the dam foundation is settled downwards, the water plugging material layer arranged between the groove and the bulge is further extruded more tightly, the impermeable effect is further improved, and meanwhile, the stability between the dam body and the dam foundation is enhanced.
In order to avoid the seepage of the joint of the impervious concrete layer and the dam foundation, a vertical water baffle 22 is arranged between the bottom of the impervious concrete layer 33 and the dam foundation 2, the upper part of the water baffle 22 is inserted into the impervious concrete layer 33, and the lower part of the water baffle is inserted into the dam foundation 2, so that the seepage of water into the interior of the impervious concrete layer connected with the dam foundation is effectively organized.
In order to further avoid water from seeping into the impervious concrete layer and the interior connected with the dam foundation, the integral impervious geomembranes 23 are respectively paved on the impervious concrete layer 33 and two sides of the joint with the dam foundation 2, so that the seepage-proofing performance of the joint of the dam body and the dam foundation is further enhanced.
In order to avoid river water from permeating into the dam body, the impermeable layer 3 is composed of a concrete layer 31 and at least three layers of flexible waterproof membranes 32 which are vertically inserted into the concrete layer 31 at equal intervals,
the concrete still includes a plurality of bodys 321, and its level sets up in the inside of the lower extreme junction of prevention of seepage concrete layer 33 and barrier layer 3 side by side, and every body 321 is the same with the trend of dam 1, and every body 321 corresponds with arbitrary flexible water proof membrane 32 that is equipped with in the barrier layer 3, and in every flexible water proof membrane 32 bottom extended to corresponding body 321, all seted up a plurality of infiltration holes on every body 321, the infiltration hole was towards the upstream face to be close to flexible water proof membrane 32. More specifically, a plurality of drain holes are arranged at the bottom of each pipe body 321 at equal intervals, each drain hole is communicated with a drain pipe 3211, and the water outlet end of each drain pipe 3211 is arranged towards the side away from the dam body 1 and extends into the collection well 4.
Therefore, a plurality of pipe bodies are horizontally arranged in parallel at the inner part of the joint of the lower end of the impermeable concrete layer and the lower end of the impermeable layer, each pipe body corresponds to any flexible waterproof film arranged in the impermeable layer, the bottom end of each flexible waterproof film extends into the corresponding pipe body, a plurality of seepage holes are formed in each pipe body, face to the upstream side and are close to the flexible waterproof film, therefore, water permeating into the impermeable layer flows downwards and seeps into the corresponding pipe bodies under the blocking of the flexible waterproof film, a drain pipe arranged at the bottom of each pipe body is led out to a collecting well, the impermeable effect is judged through the water quantity drained by the drain pipe, the requirement of impermeable treatment is reminded, and the durability and the stability of the dam body are further effectively controlled.
The water plugging material layer 211 used in this embodiment is a water-soluble polyurethane grouting material, and the anti-seepage effect between the waterproof concrete layer and the dam foundation is enhanced.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the embodiments, and any changes that can be considered by those skilled in the art shall fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a hydraulic engineering prevention of seepage water structure, includes dam body (1) and dam foundation (2), its characterized in that, prevention of seepage water structure still includes:
an impermeable layer (3) arranged on one side of the water retaining surface of the dam body (1),
the anti-seepage connecting part is arranged at the connecting part between the dam body (1) and the dam foundation (2); the method comprises the following steps:
the impermeable concrete layer (33) is arranged on the dam foundation (2) and is integrally connected with the lower end of the impermeable layer (3); a groove is formed in the center of the bottom of the impermeable concrete layer (33) along the length direction, a protrusion (21) is arranged at the top of the dam foundation (2), and the protrusion (21) is embedded into the groove;
and a water blocking material layer (211) filled between the groove and the bulge (21).
2. The hydraulic engineering seepage prevention structure according to claim 1, wherein the cross section of the bulge (21) is in an inverted trapezoid shape, and the groove is matched with the bulge.
3. The hydraulic engineering seepage-proofing structure according to claim 2, wherein a water-plugging material layer (211) is filled between the bottom of the seepage-proofing concrete layer (33) and the dam foundation (2).
4. The hydraulic engineering seepage-proofing structure according to claim 3, wherein a vertical water baffle (22) is arranged between the bottom of the seepage-proofing concrete layer (33) and the dam foundation (2), the upper part of the water baffle (22) is inserted into the seepage-proofing concrete layer (33), and the lower part of the water baffle is inserted into the dam foundation (2).
5. The hydraulic engineering seepage-proofing structure according to claim 4, wherein the seepage-proofing concrete layer (33) and two sides of the connection part with the dam foundation (2) are respectively paved with an integral seepage-proofing geomembrane (23).
6. The hydraulic engineering seepage-proofing structure according to claim 1, wherein the seepage-proofing layer (3) is composed of a concrete layer (31) and at least three layers of flexible waterproof membranes (32) which are vertically inserted in the concrete layer (31) at equal intervals.
7. The hydraulic engineering seepage prevention structure of claim 6, further comprising: a plurality of bodys (321), its level set up side by side in impervious concrete layer (33) with the inside of the lower extreme junction of barrier layer (3), every body (321) with the trend of dam body (1) is all the same, every body (321) with be equipped with in the barrier layer (3) flexible water proof membrane (32) are corresponding, every flexible water proof membrane (32) bottom extends to corresponding in body (321), every a plurality of infiltration holes have all been seted up on body (321), the infiltration hole is towards the upstream face, and is close to flexible water proof membrane (32).
8. The hydraulic engineering seepage-proofing structure according to claim 7, wherein a plurality of drainage holes are formed in the bottom of each pipe body (321) at equal intervals, each drainage hole is communicated with a drainage pipe (3211), and the water outlet end of each drainage pipe (3211) is arranged towards the side away from the dam body (1) and extends into a collection well (4) arranged therein.
9. The hydraulic engineering water seepage prevention structure according to claim 1, wherein the water plugging material layer (211) is a water-soluble polyurethane grouting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022752358.3U CN214033599U (en) | 2020-11-24 | 2020-11-24 | Hydraulic engineering prevention of seepage water structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022752358.3U CN214033599U (en) | 2020-11-24 | 2020-11-24 | Hydraulic engineering prevention of seepage water structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214033599U true CN214033599U (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022752358.3U Expired - Fee Related CN214033599U (en) | 2020-11-24 | 2020-11-24 | Hydraulic engineering prevention of seepage water structure |
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| Country | Link |
|---|---|
| CN (1) | CN214033599U (en) |
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2020
- 2020-11-24 CN CN202022752358.3U patent/CN214033599U/en not_active Expired - Fee Related
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Granted publication date: 20210824 |