CN220057788U - Seepage-proofing hydraulic engineering embankment structure - Google Patents
Seepage-proofing hydraulic engineering embankment structure Download PDFInfo
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- CN220057788U CN220057788U CN202321492102.0U CN202321492102U CN220057788U CN 220057788 U CN220057788 U CN 220057788U CN 202321492102 U CN202321492102 U CN 202321492102U CN 220057788 U CN220057788 U CN 220057788U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 372
- 230000000903 blocking effect Effects 0.000 claims description 72
- 230000001681 protective effect Effects 0.000 claims description 32
- 238000011144 upstream manufacturing Methods 0.000 claims description 13
- 239000004744 fabric Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000002265 prevention Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 14
- 230000008595 infiltration Effects 0.000 description 11
- 238000001764 infiltration Methods 0.000 description 11
- 239000012466 permeate Substances 0.000 description 10
- 239000004567 concrete Substances 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 7
- 239000011435 rock Substances 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides an anti-seepage hydraulic engineering embankment structure, and relates to the field of dykes and dams anti-seepage engineering. It comprises the following steps: the water retaining assembly is connected with the water inlet pipe and buried in the water retaining layer, the water retaining assembly comprises a flange, and the flange is sleeved on the water inlet pipe and buried in the water retaining layer. The utility model has the advantages of reducing water seepage at the gap between the dam body and the drain pipe and further prolonging the service life of the dam body.
Description
Technical Field
The utility model relates to the field of dam seepage-proofing engineering, in particular to a dam protection structure of seepage-proofing hydraulic engineering.
Background
Dykes and dams broadly refer to waterproof and water-blocking buildings and structures, and modern dams are mainly divided into two main categories, earth and rock dams and concrete dams.
In the long-term use process of the earth-rock dam, water can infiltrate into the dam body through small cracks on the upstream surface of the dam, and the soil structure of the dam can be damaged by the water which infiltrates into the dam body for a long time, so that the service life of the dam is shortened; the large amount of water permeated into the dam body can also cause deformation of the dam body to cause dam break, thereby causing great economic loss. Therefore, the anti-leakage treatment of the dam plays an important role in hydraulic engineering.
The Chinese patent with the bulletin number of CN211395557U discloses a flood control dike for water utilization engineering, which comprises a flood control dike body, an anti-seepage layer arranged on the water facing side of the flood control dike body and a drainage pipeline arranged in the flood control dike body and penetrating through the anti-seepage layer, wherein flood can flow out of the flood control dike body through the drainage pipeline. Although the impermeable structure is provided with the impermeable layer to prevent flood from penetrating into the dam body, the flood can still pass through the impermeable layer through the water seepage gap formed between the drainage pipeline and the flood bank body and the impermeable layer, so that the flood enters the inside of the dam body to cause water seepage of the dam body.
In view of this, it is desirable to provide a structure for preventing seepage of hydraulic engineering embankment.
Disclosure of Invention
In order to reduce water seepage at the gap between the dam body and the drain pipe, the utility model provides an anti-seepage hydraulic engineering embankment structure.
The utility model provides an anti-seepage hydraulic engineering embankment structure, which adopts the following technical scheme: an impermeable hydraulic engineering embankment structure, comprising: the water retaining assembly is connected with the water inlet pipe and buried in the water retaining layer, the water retaining assembly comprises a flange, and the flange is connected with the water inlet pipe and buried in the water retaining layer.
By adopting the technical scheme, the water blocking layer can ensure that the protective dike body (earth-rock dam) is not in direct contact with water flow, so that water is not easy to infiltrate into the protective dike body; the setting flange can prolong the infiltration route from the upstream face of manger plate layer to the back face of manger plate layer to can make the inside of difficult edge clearance infiltration embankment body between inlet tube and the manger plate layer of water.
Specifically, the stagnant water subassembly still includes the sealing washer, the sealing washer snare is established on the inlet tube and with the flange supports and pastes.
Through adopting above-mentioned technical scheme, the sealing washer can fill the space between flange, inlet tube and the junction of water blocking layer to can make the inside of difficult edge clearance infiltration embankment body between inlet tube and the water blocking layer of water.
Further, the water collecting device comprises a water collecting assembly, wherein the water collecting assembly comprises a water retaining cover and a water draining unit, one end of the water retaining cover is connected with the water inlet pipe, and the other end of the water retaining cover is buried in the water retaining layer so as to form a closed space among the water inlet pipe, the water retaining layer and the water retaining cover; one end of the drainage unit is communicated with the closed space, and the other end of the drainage unit can penetrate through the water back surface of the protective dike body and is communicated with the outside.
Through adopting above-mentioned technical scheme, along the gap between soil layer and the inlet tube and along the gap infiltration's between soil layer and the manger plate layer hydroenergy by the manger plate cover to can prevent the inside of water further infiltration to the embankment body, the drainage unit can be with the outside of infiltration water discharge to the embankment body in the airtight space.
Specifically, the drainage unit comprises an air inlet pipe and an air outlet pipe, one end of the air inlet pipe is communicated with the closed space, and the other end of the air inlet pipe penetrates through the back water surface of the embankment body to be communicated with the outside; one end of the water outlet pipe is connected with the airtight space, and the other end of the water outlet pipe penetrates through the water back surface of the protective dike body to be communicated with the outside.
By adopting the technical scheme, the water in the closed space can be discharged to the outside of the protective dike body through the water outlet pipe; outside air can enter the airtight space through the air inlet pipe, so that water in the airtight space can be conveniently discharged.
Furthermore, one end of the water blocking cover, which is buried in the water blocking layer, is provided with a connecting flange.
Through adopting above-mentioned technical scheme, set up flange can prolong from the inside of manger plate cover to the outside of manger plate cover, also be the infiltration route between manger plate cover and the manger plate layer to can make water be difficult for along the inside of clearance infiltration embankment body between manger plate cover and the manger plate layer.
Specifically, the subassembly that catchments still includes the collection cover, it locates to collect the cover the airtight space is inside, collect the cover keep away from the one end of water blocking layer with advance water piping connection, collect the other end of cover with be formed with the clearance that permeates water between the inlet tube, just collect the cover with be formed with between the inlet tube and receive the water cavity, just drainage unit with receive the water cavity intercommunication.
Through adopting above-mentioned technical scheme, the water that gets into in the airtight space can pass the clearance that permeates water and get into receiving the water cavity, and the drainage unit can be with receiving the outside of water discharge to the embankment body in the water cavity.
Further, a permeable cloth is arranged in the permeable gap, one side of the permeable cloth is connected with the water inlet pipe, and the other side of the permeable cloth is connected with the collecting cover.
Through adopting above-mentioned technical scheme, set up the cloth that permeates water and make soil be difficult for getting into in receiving the water cavity to can guarantee that the drainage unit can not be blocked by the soil that falls into in receiving the water cavity.
Further, the bottom of the collecting cover is provided with a water collecting part which is sunken downwards, the water outlet pipe is communicated with the water collecting part, and the air inlet pipe is communicated with the part, higher than the water collecting part, of the collecting cover.
By adopting the technical scheme, the water collecting part can collect water in the water receiving cavity, so that the water is conveniently discharged to the outside of the protective dike body from the water outlet pipe; outside air can enter the water containing cavity through the air inlet pipe, so that water in the water containing cavity can be conveniently discharged.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. the water blocking layer is arranged on the upstream surface of the protective dike body (earth-rock dam) so that the protective dike body is not in direct contact with water flow, and water can not easily permeate into the protective dike body; the flange is connected to the water inlet pipe and buried in the water blocking layer, so that a water seepage path from the upstream surface of the water blocking layer to the downstream surface of the water blocking layer can be prolonged, and water is not easy to infiltrate into the interior of the protective dike body along a gap between the water inlet pipe and the water blocking layer; the sealing ring is sleeved on the water inlet pipe and abutted against the flange so as to fill the gap at the joint of the flange, the water inlet pipe and the water retaining layer, and therefore water is not easy to permeate into the interior of the protective dike body along the gap between the water inlet pipe and the water retaining layer.
2. One end of the water retaining cover is connected with the water inlet pipe, and the other end of the water retaining cover is buried in the water retaining layer, so that a closed space is formed among the water inlet pipe, the water retaining layer and the water retaining cover, and water penetrating along a gap between the soil layer and the water inlet pipe and a gap between the soil layer and the water retaining layer can be blocked by the water retaining cover, and further water can be prevented from penetrating into the protective dike body; the flange is arranged at one end of the water retaining cover, which is buried in the water retaining layer, so that the water seepage path from the inside of the water retaining cover to the outside of the water retaining cover, namely, between the water retaining cover and the water retaining layer, can be prolonged, and water can not easily infiltrate into the inside of the protective dike body along the gap between the water retaining cover and the water retaining layer.
3. The one end and the inlet tube that keep away from the water blocking layer of collecting the cover are connected, and are formed with the clearance that permeates water between the other end of collecting the cover and the inlet tube to be formed with between collecting cover and the inlet tube and receive the water cavity, thereby can make the water that gets into in the airtight space pass the clearance that permeates water and enter into and receive in the water cavity, and the one end and the cavity intercommunication other end that receive the water of drainage unit pass the back surface of embankment body and with external intercommunication, thereby can receive the outside of the water discharge to the embankment body in the infiltration cavity.
Drawings
Fig. 1 is a perspective view of a embankment structure for seepage-proofing hydraulic engineering according to the present utility model.
Fig. 2 is a schematic cross-sectional view of a construction of a embankment for impermeable hydraulic engineering according to the present utility model so as to show a water inlet pipe, a water stagnation assembly and a water collection assembly.
Fig. 3 is a schematic partial enlarged view of the region a in fig. 2.
Reference numerals: 1. a protective dike body; 2. a water blocking layer; 3. a water inlet pipe; 31. a water outlet end; 32. a water inlet end; 4. a water stagnation component; 41. a flange; 42. a seal ring; 5. a water collection assembly; 51. a water retaining cover; 511. a connecting flange; 52. a drainage unit; 521. an air inlet pipe; 522. a water outlet pipe; 53. a collection cover; 531. a water collecting part; 6. a closed space; 7. a water permeable gap; 71. a water permeable cloth; 8. a water containing cavity.
Detailed Description
Fig. 1 is a perspective view of an impermeable hydraulic engineering embankment structure according to the present utility model, and fig. 2 is a schematic cross-sectional view of the impermeable hydraulic engineering embankment structure according to the present utility model so as to show a water inlet pipe, a water stagnation assembly and a water collection assembly. Referring to fig. 1 and 2, an impermeable hydraulic engineering embankment structure, comprising: the water retaining layer 2 is arranged on the upstream surface of the protective dike body 1. Specifically, the water blocking layer 2 may be an impermeable concrete layer formed by pouring impermeable concrete on the upstream surface of the protective dike body 1 (earth-rock dam), so that the protective dike body 1 is not in direct contact with water flow, and water is not easy to infiltrate into the protective dike body 1.
The water inlet pipe 3 includes a water outlet end 31 and a water inlet end 32, the water inlet pipe 3 penetrates through the protective dike body 1 and the water blocking layer 2, the water outlet end 31 extends out of the back surface of the protective dike body 1, and the water inlet end 32 can penetrate through the water blocking layer 2 and is communicated with a water body. Specifically, the water inlet pipe 3 may be pre-buried into the inside of the breakwater body 1 and the inside of the water blocking layer 2 when the breakwater body 1 (earth-rock dam) and the water blocking layer 2 are constructed, so as to avoid the operation of digging the breakwater body 1 and the water blocking layer 2 to install the water inlet pipe 3 after the completion of the construction of the breakwater body 1 and the water blocking layer 2, so that the water seepage cracks appear on the upstream surface of the breakwater body 1 and the upstream surface of the water blocking layer 2, and thus the damage to the anti-seepage capability of the breakwater body 1 and the water blocking layer 2 can be avoided.
Fig. 3 is a schematic partial enlarged view of the region a in fig. 2. Referring to fig. 2 and 3, the water stagnation assembly 4 is connected with the water inlet pipe 3 and buried in the water blocking layer 2, and the water stagnation assembly 4 includes a flange 41, and the flange 41 is connected to the water inlet pipe 3 and buried in the water blocking layer 2. Specifically, the flange 41 may be welded on the outer wall of the water inlet pipe 3 and buried in the water blocking layer 2 formed by casting impervious concrete, and the flange 41 is provided to extend a water seepage path from the upstream surface of the water blocking layer 2 to the downstream surface of the water blocking layer 2, so that water is not easy to permeate into the interior of the protective dike body 1 along the gap between the water inlet pipe 3 and the water blocking layer 2.
Referring to fig. 2 and 3, in one embodiment, the water stagnation assembly 4 further comprises a sealing ring 42, wherein the sealing ring 42 is sleeved on the water inlet pipe 3 and abuts against the flange 41. The sealing washer 42 can fill the space between flange 41, the junction of inlet tube 3 and water blocking layer 2 to can make water be difficult for along the inside of clearance infiltration embankment body 1 between inlet tube 3 and the water blocking layer 2, specific, the junction of flange 41 and water blocking layer 2 is close to the junction of inlet tube 3 and the junction of water blocking layer 2 and inlet tube 3 is kept away from to the one side of water blocking layer 2 can all set up sealing washer 42, in order to fill the space between flange 41, the junction of inlet tube 3 and water blocking layer 2, thereby can make water be difficult for along the inside of clearance infiltration embankment body 1 between inlet tube 3 and the water blocking layer 2.
Referring to fig. 2 and 3, the anti-seepage hydraulic engineering embankment structure of the present utility model further includes a water collecting assembly 5, the water collecting assembly 5 includes a water blocking cover 51 and a drainage unit 52, one end of the water blocking cover 51 is connected with the water inlet pipe 3, and the other end of the water blocking cover 51 is buried in the water blocking layer 2, so that a closed space 6 is formed among the water inlet pipe 3, the water blocking layer 2 and the water blocking cover 51. Specifically, the inside of the closed space 6 may be pre-filled with a soil layer, to supplement the effect of the filling, one end of the water blocking cover 51 may be welded with the water inlet pipe 3, and the other end may be welded with a steel bar in the water blocking layer 2 (reinforced concrete pouring) and buried in the concrete, so as to prevent water from leaking along a gap between the soil layer and the water inlet pipe 3 and along a gap between the soil layer and the water blocking layer 2, thereby preventing water from further penetrating into the inside of the embankment body 1; one end of the drainage unit 52 communicates with the closed space 6 and the other end can pass through the back surface of the embankment body 1 and communicate with the outside, so that the water permeated into the closed space 6 can be discharged to the outside of the embankment body 1.
Referring to fig. 2 and 3, in one embodiment, the drainage unit 52 includes an intake pipe 521 and an outlet pipe 522, one end of the intake pipe 521 communicates with the enclosed space 6, and the other end of the intake pipe 521 communicates with the outside through the back surface of the embankment body 1, so that the outside air can be introduced into the enclosed space 6 through the intake pipe 521, thereby enabling the drainage of water in the enclosed space 6 to be facilitated; one end of the water outlet pipe 522 is connected with the airtight space 6 and is provided with a filter screen, so that the water outlet pipe 522 can be prevented from being blocked by sand falling into the water outlet pipe 522, and the other end of the water outlet pipe 522 penetrates through the back surface of the embankment body 1 to be communicated with the outside, so that water in the airtight space 6 can be discharged to the outside of the embankment body 1 through the water outlet pipe 522.
Referring to fig. 2 and 3, in one embodiment, a connecting flange 511 is disposed at one end of the water blocking cover 51 buried in the water blocking layer 2, specifically, the connecting flange 511 may be welded on a steel bar in the water blocking layer 2 (reinforced concrete pouring) and buried in concrete, it is understood that when the water entering the water blocking cover 51 receives a force far from the water blocking layer 2, the concrete around the connecting flange 511 blocks the connecting flange 511, so that the water blocking cover 51 can not displace along the length direction of the water inlet pipe 3, so as to ensure that the water blocking cover 51 cannot deviate from the water blocking layer 2, and further ensure that the water blocking cover 51 can effectively block water that permeates into the water blocking dam body 1 from the inside of the closed space 6, and the connecting flange 511 can extend from the inside of the water blocking cover 51 to the outside of the water blocking cover 51, that is, between the water blocking cover 51 and the water blocking layer 2, so that water cannot easily permeate into the inside of the water blocking dam body 1 along a gap between the water blocking cover 51 and the water blocking layer 2.
Referring to fig. 2 and 3, in one embodiment, the water collecting assembly 5 further includes a collecting cover 53, the collecting cover 53 is disposed inside the closed space 6, and an end of the collecting cover 53 remote from the water blocking layer 2 is connected to the water inlet pipe 3. A water permeable gap 7 is formed between the other end of the collecting cover 53 and the water inlet pipe 3, and a water containing cavity 8 is formed between the collecting cover 53 and the water inlet pipe 3, specifically, one end of the collecting cover 53 far away from the water blocking layer 2 may be welded on the outer wall of the water inlet pipe 3, and the water draining unit 52 is communicated with the water containing cavity 8, so as to be capable of draining water in the water containing cavity 8 to the outside of the protection dike body 1.
Referring to fig. 2 and 3, in one embodiment, a water permeable cloth 71 is provided in the water permeable gap 7, one side of the water permeable cloth 71 is connected to the water inlet pipe 3, and the other side of the water permeable cloth 71 is connected to the collecting housing 53. Specifically, the water permeable cloth 71 may be geotextile so that soil is not likely to enter the water containing cavity 8, thereby enabling to ensure that the drainage unit 52 is not blocked by the soil falling into the water containing cavity 8.
Referring to fig. 2 and 3, the bottom of the collecting cover 53 is provided with a water collecting part 531 recessed downward, so that the water collecting part 531 can collect water in the water receiving cavity 8, the water outlet pipe 522 is communicated with the water collecting part 531, so that water is conveniently discharged from the water outlet pipe 522 to the outside of the embankment body 1, and the air inlet pipe 521 is communicated with a part of the collecting cover 53 higher than the water collecting part 531, so that external air can enter the water receiving cavity 8 through the air inlet pipe 521, and water in the water receiving cavity 8 can be conveniently discharged.
The working principle of the anti-seepage hydraulic engineering embankment structure in use is as follows:
the water blocking layer 2 is arranged on the upstream surface of the protective dike body 1, so that the protective dike body 1 is not in direct contact with water flow, and water is not easy to infiltrate into the protective dike body 1; the flange 41 is connected to the water inlet pipe 3 and buried in the water blocking layer 2, so that a water seepage path from the upstream surface of the water blocking layer 2 to the downstream surface of the water blocking layer 2 can be prolonged, and water is not easy to infiltrate into the interior of the protective dike body 1 along a gap between the water inlet pipe 3 and the water blocking layer 2; the sealing ring 42 is sleeved on the water inlet pipe 3 and is abutted against the flange 41 so as to fill the gap at the joint of the flange 41, the water inlet pipe 3 and the water retaining layer 2, and therefore water is not easy to infiltrate into the interior of the protective dike body 1 along the gap between the water inlet pipe 3 and the water retaining layer 2.
One end of the water retaining cover 51 is connected with the water inlet pipe 3, and the other end of the water retaining cover is buried in the water retaining layer 2, so that a closed space 6 is formed among the water inlet pipe 3, the water retaining layer 2 and the water retaining cover 51, water penetrating along a gap between the soil layer and the water inlet pipe 3 and a gap between the soil layer and the water retaining layer 2 can be blocked by the water retaining cover 51, and further water can be prevented from penetrating into the protective dike body 1.
A water permeable gap 7 is formed between the other end, far away from the water blocking layer 2, of the collecting cover 53 and the water inlet pipe 3, so that a water containing cavity 8 is formed between the collecting cover 53 and the water inlet pipe 3, and water entering the closed space 6 can enter the water containing cavity 8 through the water permeable gap 7; one end of the drainage unit 52 communicates with the water receiving cavity 8 and the other end passes through the water back surface of the embankment body 1 and communicates with the outside, so that the water permeated into the water receiving cavity 8 can be discharged to the outside of the embankment body 1.
It should be noted that the above embodiments are all preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereby: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a prevention of seepage hydraulic engineering embankment structure which characterized in that includes: the novel water retaining assembly comprises a protective dike body (1), a water retaining layer (2), a water inlet pipe (3) and a water retaining component (4), wherein the water retaining layer (2) is arranged on the upstream surface of the protective dike body (1), the water inlet pipe (3) comprises a water outlet end (31) and a water inlet end (32), the water inlet pipe (3) penetrates through the protective dike body (1) and the water retaining layer (2), the water outlet end (31) extends out of the upstream surface of the protective dike body (1), the water inlet end (32) can penetrate through the water retaining layer (2) and is communicated with a water body, the water retaining component (4) is connected with the water inlet pipe (3) and buried in the water retaining layer (2), and the water retaining component (4) comprises a flange (41), and the flange (41) is connected to the water inlet pipe (3) and buried in the water retaining layer (2).
2. The impermeable hydraulic engineering embankment structure according to claim 1, wherein: the water stagnation component (4) further comprises a sealing ring (42), and the sealing ring (42) is sleeved on the water inlet pipe (3) and abuts against the flange (41).
3. The impermeable hydraulic engineering embankment structure according to claim 1 or 2, characterized in that: the water collecting device comprises a water inlet pipe (3), and is characterized by further comprising a water collecting assembly (5), wherein the water collecting assembly (5) comprises a water retaining cover (51) and a water draining unit (52), one end of the water retaining cover (51) is connected with the water inlet pipe (3), and the other end of the water retaining cover (51) is buried in the water retaining layer (2) so as to form a closed space (6) among the water inlet pipe (3), the water retaining layer (2) and the water retaining cover (51); one end of the drainage unit (52) is communicated with the closed space (6), and the other end of the drainage unit (52) can penetrate through the back surface of the embankment body (1) and is communicated with the outside.
4. A seepage-proofing hydraulic engineering embankment structure according to claim 3, characterized in that: the water draining unit (52) comprises an air inlet pipe (521) and an water outlet pipe (522), one end of the air inlet pipe (521) is communicated with the closed space (6), and the other end of the air inlet pipe (521) penetrates through the back surface of the embankment body (1) to be communicated with the outside; one end of the water outlet pipe (522) is connected with the airtight space (6), and the other end of the water outlet pipe (522) penetrates through the water back surface of the protective dike body (1) to be communicated with the outside.
5. The impermeable hydraulic engineering embankment structure according to claim 4, wherein: one end of the water blocking cover (51) buried in the water blocking layer (2) is provided with a connecting flange (511).
6. The impermeable hydraulic engineering embankment structure according to claim 4, wherein: the water collecting assembly (5) further comprises a collecting cover (53), the collecting cover (53) is arranged inside the closed space (6), one end, away from the water blocking layer (2), of the collecting cover (53) is connected with the water inlet pipe (3), a water permeable gap (7) is formed between the other end of the collecting cover (53) and the water inlet pipe (3), a water containing cavity (8) is formed between the collecting cover (53) and the water inlet pipe (3), and the water draining unit (52) is communicated with the water containing cavity (8).
7. The impermeable hydraulic engineering embankment structure according to claim 6, wherein: the water permeable gap (7) is internally provided with a water permeable cloth (71), one side of the water permeable cloth (71) is connected with the water inlet pipe (3), and the other side of the water permeable cloth (71) is connected with the collecting cover (53).
8. The impermeable hydraulic engineering embankment structure according to claim 7, wherein: the bottom of the collecting cover (53) is provided with a water collecting part (531) which is sunken downwards, the water outlet pipe (522) is communicated with the water collecting part (531), and the air inlet pipe (521) is communicated with a part, higher than the water collecting part (531), of the collecting cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492102.0U CN220057788U (en) | 2023-06-12 | 2023-06-12 | Seepage-proofing hydraulic engineering embankment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321492102.0U CN220057788U (en) | 2023-06-12 | 2023-06-12 | Seepage-proofing hydraulic engineering embankment structure |
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| Publication Number | Publication Date |
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| CN220057788U true CN220057788U (en) | 2023-11-21 |
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| CN202321492102.0U Active CN220057788U (en) | 2023-06-12 | 2023-06-12 | Seepage-proofing hydraulic engineering embankment structure |
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| Country | Link |
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| CN (1) | CN220057788U (en) |
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- 2023-06-12 CN CN202321492102.0U patent/CN220057788U/en active Active
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