CN214363322U - Wave type landscape water passing panel rock-fill dam - Google Patents
Wave type landscape water passing panel rock-fill dam Download PDFInfo
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- CN214363322U CN214363322U CN202120540301.9U CN202120540301U CN214363322U CN 214363322 U CN214363322 U CN 214363322U CN 202120540301 U CN202120540301 U CN 202120540301U CN 214363322 U CN214363322 U CN 214363322U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000004567 concrete Substances 0.000 claims abstract description 55
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 9
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 6
- 230000005611 electricity Effects 0.000 abstract description 2
- 239000011435 rock Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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Abstract
The utility model discloses a wavy view crosses water face plate rock-fill dam belongs to water conservancy water and electricity and view engineering application technical field. The concrete toe board is arranged at the bottom of the sloping surface of the upstream dam of the rockfill area, and a concrete impervious wall is arranged between the bottom of the concrete toe board and the bottom of the covering layer of the dam foundation. The concrete toe boards and the concrete impervious walls are matched to prevent seepage at the upstream of the concrete faced rockfill dam, so that the seepage-proofing effect is good, and the stability and the safety of the concrete faced rockfill dam are ensured. The wave-shaped reinforced concrete facing has good landscape effect when water is drained, can be better integrated into the ecological construction of a city, and has obvious social benefit and economic benefit in the long run.
Description
Technical Field
The utility model relates to a wavy view crosses water face plate rock-fill dam belongs to water conservancy water and electricity and view engineering application technical field.
Background
With the rapid advance of the urbanization process, the urban landscape water system becomes one of the important components of the urban landscape, and the design of hydraulic buildings also needs to be comprehensively considered in the aspects of comprehensive urban planning, landscape benefits, ecological health and the like. In more and more cities and regions, it is expected that the dam can create a clear and beautiful water landscape besides ensuring the basic functions of flood control and water storage, and thus the demand for the landscape dam is more and more prominent. The conventional earth-rock dam structure usually adopts a bank spillway or a flood discharge culvert to discharge flood, and for areas with steep dam site landforms, the excavation and investment of the bank spillway and the influence on the construction period are large, and the aesthetic degrees of the bank spillway and the flood discharge culvert are insufficient, so that the aesthetic requirements of modern people are not satisfied.
Therefore, Chinese patent document with publication number CN209482259U discloses a water landscape earth dam structure, which comprises a dam foundation covering layer and a rockfill area on the dam foundation covering layer; the cross section of the rockfill area is trapezoidal, a transition layer, a cushion layer and a reinforced concrete step protective surface are sequentially arranged on the downstream slope surface of the rockfill area from bottom to top, a broken stone transition layer is arranged between the rockfill area and the dam foundation covering layer in a padding mode, and a large stone energy dissipation protective surface is arranged on the downstream slope surface of the rockfill area towards the bottom end. The method avoids constructing a bank spillway or a flood discharge culvert to discharge flood by using the conventional landscape earth-rock dam structure, saves the engineering investment and the construction period, better ensures the landscape effect, and has remarkable economic and social benefits in the long run.
However, the water landscape earth dam has poor seepage-proofing effect, and upstream water easily permeates into the earth dam, so that the stability and safety of the earth dam are greatly reduced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a wave type view crosses water face plate rock-fill dam.
The utility model discloses a following technical scheme can realize:
the utility model provides a wave type view crosses water panel rock-fill dam, includes dam foundation overburden and establishes the rockfill district on dam foundation overburden, the upper reaches of rockfill district are equipped with anti-filter bed course and reinforced concrete armor from the bottom up to domatic from the bottom up in proper order, the domatic bottom of upper reaches dam in rockfill district is equipped with the concrete toe board, be equipped with the concrete cut-off wall between concrete toe board bottom and the dam foundation overburden bottom.
The cross section of the rockfill area is trapezoidal, the upstream slope ratio of the rockfill area is 1: 1.5-1: 2.5, and the downstream slope ratio is 1: 1.3-1: 2.
The downstream slope surface of the rockfill area is sequentially provided with a transition layer, a reverse filter bed layer and a wave-shaped reinforced concrete facing from bottom to top, and the bottom of the downstream dam slope of the rockfill area is provided with a boulder energy dissipation facing.
And a drainage rockfill material is arranged between the rockfill area and the dam foundation covering layer, and the height of the drainage rockfill material is 2-3 m.
The reverse filter cushion layer and the transition layer are both positioned above the drainage rockfill.
And a cushion layer is arranged at the joint of the upstream dam slope of the drainage rockfill material and the concrete toe board.
The thickness of the reverse filter cushion layer is 0.5-1 m, the thickness of the transition layer is 1-1.5 m, the thickness of the wave-shaped reinforced concrete facing is 0.5-1 m, and the thickness of the reinforced concrete facing is 1-1.5 m.
The top in the rockfill area is covered with cap concrete, the top surface of the cap concrete is flat and horizontal, the thickness of the cap concrete is 0.5m, and the cap concrete and the wave-shaped reinforced concrete protective surface are connected into a whole.
The dam height of the rockfill area is not more than 15m, and the maximum allowable single width flow is not more than 10m3/(s.m)。
The thickness of the concrete toe board is 0.5-1 m, the concrete impervious wall is perpendicular to the concrete toe board and parallel to the axis of the dam, and the width of the concrete impervious wall is 0.8-1.2 m.
The beneficial effects of the utility model reside in that:
1. the concrete toe boards and the concrete impervious walls are matched to prevent seepage at the upstream of the concrete faced rockfill dam, so that the seepage-proofing effect is good, and the stability and the safety of the concrete faced rockfill dam are ensured.
2. Compared with the traditional earth-rock dam which needs to discharge flood through a bank spillway or a flood discharge culvert, the construction investment is effectively saved, and the construction period is greatly shortened.
3. The wave-shaped reinforced concrete facing has good landscape effect when water is drained, can be better integrated into the ecological construction of a city, and has obvious social benefit and economic benefit in the long run.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-rockfill area, 2-reverse filter bed course, 3-cap concrete, 4-concrete impervious wall, 5-transition layer, 6-wave type reinforced concrete armor face, 7-drainage rockfill, 8-boulder energy dissipation armor face, 9-reinforced concrete armor face, 10-dam foundation covering layer, 11-concrete toe board and 12-bed course.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, a wavy view crosses water panel rock-fill dam, include dam foundation overburden 10 and establish rockfill district 1 on dam foundation overburden 10, the upper reaches of rockfill district 1 are equipped with anti-bedding course 2 and reinforced concrete mask 9 to domatic from the bottom up in proper order, the domatic bottom of upper reaches dam of rockfill district 1 is equipped with concrete toe board 11, be equipped with concrete impervious wall 4 between 11 bottoms of concrete toe board and dam foundation overburden 10 bottoms.
The cross section of the rockfill area 1 is trapezoidal, the upstream slope ratio of the rockfill area 1 is 1: 1.5-1: 2.5, and the downstream slope ratio is 1: 1.3-1: 2.
The downstream slope surface of the rockfill area 1 is sequentially provided with a transition layer 5, a reverse filter bed layer 2 and a wave-shaped reinforced concrete protective surface 6 from bottom to top, and the bottom of the downstream dam slope of the rockfill area 1 is provided with a boulder energy dissipation protective surface 8.
And a drainage rockfill material 7 is arranged between the rockfill area 1 and the dam foundation covering layer 10, and the height of the drainage rockfill material 7 is 2-3 m.
The reverse filter bed layer 2 and the transition layer 5 are both positioned above the drainage rock pile 7.
And a cushion layer 12 is arranged at the joint of the upstream dam slope of the drainage rockfill material 7 and the concrete toe board 11.
The thickness of the reverse filter bed layer 2 is 0.5-1 m, the thickness of the transition layer 5 is 1-1.5 m, the thickness of the wave-shaped reinforced concrete protective surface 6 is 0.5-1 m, and the thickness of the reinforced concrete protective surface 9 is 1-1.5 m.
The top of the rockfill area 1 is covered with cap concrete 3, the top surface of the cap concrete 3 is flat and horizontal, the thickness of the cap concrete 3 is 0.5m, and the cap concrete 3 and the wave-shaped reinforced concrete protective surface 6 are connected into a whole.
The dam height of the rockfill area 1 is not more than 15m, and the maximum single width flow allowed to pass through is not more than 10m3/(s.m)。
The thickness of the concrete toe board 11 is 0.5 m-1 m, the concrete impervious wall 4 is perpendicular to the concrete toe board 11 and parallel to the axis of the dam, and the width of the concrete impervious wall 4 is 0.8-1.2 m.
Specifically, the rockfill area 1 is a bearing main body of a dam body of the panel rockfill dam, cap concrete 3 is adopted at the top of the panel rockfill dam to serve as an overflow surface, the dam surface adopts the wave-shaped reinforced concrete retaining surface 6 to dissipate energy, the downstream adopts the boulder energy dissipation retaining surface 8 to dissipate energy, water flows through the wave-shaped reinforced concrete retaining surface 6 to form a waterfall landscape, and ornamental value is improved. The concrete toe boards 11 and the concrete impervious walls 4 are matched to prevent seepage at the upstream of the concrete faced rockfill dam, so that the seepage-proofing effect is good, and the stability and the safety of the concrete faced rockfill dam are ensured.
Claims (10)
1. The utility model provides a wavy view crosses water panel rock-fill dam which characterized in that: include dam foundation overburden (10) and establish rockfill district (1) on dam foundation overburden (10), the upper reaches of rockfill district (1) are equipped with anti-bedding course (2) and reinforced concrete mask (9) to domatic from the bottom up in proper order, the domatic bottom of upper reaches dam of rockfill district (1) is equipped with concrete toe board (11), be equipped with concrete cut-off wall (4) between concrete toe board (11) bottom and dam foundation overburden (10) bottom.
2. The wavy landscape water-faced rockfill dam of claim 1, wherein: the cross section of the rockfill area (1) is trapezoidal, the upstream slope ratio of the rockfill area (1) is 1: 1.5-1: 2.5, and the downstream slope ratio is 1: 1.3-1: 2.
3. The wavy landscape water-faced rockfill dam of claim 1, wherein: the downstream of rockfill district (1) is equipped with transition layer (5), anti-filter bed layer (2) and wave shaped reinforced concrete dado (6) to domatic from the bottom up in proper order, and the low reaches dam slope bottom position in rockfill district (1) is equipped with boulder energy dissipation dado (8).
4. The wavy landscape water-faced rockfill dam of claim 3, wherein: and a drainage rockfill material (7) is arranged between the rockfill area (1) and the dam foundation covering layer (10), and the height of the drainage rockfill material (7) is 2-3 m.
5. The wavy landscape water-faced rockfill dam of claim 4, wherein: the reverse filter bed layer (2) and the transition layer (5) are both positioned above the drainage rockfill (7).
6. The wavy landscape water-faced rockfill dam of claim 4, wherein: and a cushion layer (12) is arranged at the joint of the upstream dam slope of the drainage rockfill material (7) and the concrete toe board (11).
7. The wavy landscape water-faced rockfill dam of claim 3, wherein: the thickness of the reverse filter bed layer (2) is 0.5-1 m, the thickness of the transition layer (5) is 1-1.5 m, the thickness of the wave-shaped reinforced concrete protective surface (6) is 0.5-1 m, and the thickness of the reinforced concrete protective surface (9) is 1-1.5 m.
8. The wavy landscape water-faced rockfill dam of claim 3, wherein: the top of the rockfill area (1) is covered with cap concrete (3), the top surface of the cap concrete (3) is flat and horizontal, the thickness of the cap concrete is 0.5m, and the cap concrete (3) and the wavy reinforced concrete protective surface (6) are connected into a whole.
9. The wavy landscape water-faced rockfill dam of claim 1, wherein: the dam height of the rockfill area (1) is not more than 15m, and the maximum allowable single width flow rate is not more than 10m3/(s.m)。
10. The wavy landscape water-faced rockfill dam of claim 1, wherein: the thickness of the concrete toe board (11) is 0.5-1 m, the concrete impervious wall (4) is perpendicular to the concrete toe board (11) and parallel to the axis of the dam, and the width of the concrete impervious wall (4) is 0.8-1.2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540301.9U CN214363322U (en) | 2021-03-16 | 2021-03-16 | Wave type landscape water passing panel rock-fill dam |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120540301.9U CN214363322U (en) | 2021-03-16 | 2021-03-16 | Wave type landscape water passing panel rock-fill dam |
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| CN214363322U true CN214363322U (en) | 2021-10-08 |
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| CN202120540301.9U Active CN214363322U (en) | 2021-03-16 | 2021-03-16 | Wave type landscape water passing panel rock-fill dam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657640A (en) * | 2022-02-18 | 2023-08-29 | 上海勘测设计研究院有限公司 | Mixed water retaining dam built on deep coverage layer |
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2021
- 2021-03-16 CN CN202120540301.9U patent/CN214363322U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116657640A (en) * | 2022-02-18 | 2023-08-29 | 上海勘测设计研究院有限公司 | Mixed water retaining dam built on deep coverage layer |
| CN116657640B (en) * | 2022-02-18 | 2024-01-19 | 上海勘测设计研究院有限公司 | Mixed water retaining dam built on deep coverage layer |
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