CN221255355U - Wave wall and cable pit combination arrangement structure - Google Patents
Wave wall and cable pit combination arrangement structure Download PDFInfo
- Publication number
- CN221255355U CN221255355U CN202321004093.6U CN202321004093U CN221255355U CN 221255355 U CN221255355 U CN 221255355U CN 202321004093 U CN202321004093 U CN 202321004093U CN 221255355 U CN221255355 U CN 221255355U
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- Prior art keywords
- cable
- wave wall
- dam
- arrangement structure
- cable pit
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 13
- 239000011435 rock Substances 0.000 claims abstract description 10
- 238000013461 design Methods 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 6
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 239000004567 concrete Substances 0.000 claims description 10
- 239000004411 aluminium Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 8
- 239000011384 asphalt concrete Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/11—Hard structures, e.g. dams, dykes or breakwaters
Landscapes
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a combination arrangement structure of a wave wall and a cable trench, which comprises an L-shaped wave wall at the upstream of a earth-rock dam, wherein the thickness above the dam crest is thickened from 40-50 cm to 70-80 cm in conventional design, a groove is arranged at the position 10cm above the dam crest and used as a cable groove, the depth is 0.3-0.4 m, the height is 0.4-0.8 m, and the specific size of the cable groove is determined according to the burying number of cables; the cable groove is internally provided with a cable support, the outer side of the cable groove is sealed by an aluminum or stainless steel U-shaped cover plate, and the thickness is 0.5-1 mm. The utility model provides a convenient-to-implement wave wall and cable trench combined arrangement structure, which solves the problems of complex structural design, troublesome construction, inconvenient cover plate carrying, occupied driving width and the like of a dam top cable trench of a earth-rock dam.
Description
Technical Field
The utility model relates to the field of water and electricity hydraulic engineering, in particular to a wave wall and cable pit combined arrangement structure.
Background
Generally, a concrete wave wall is arranged at the upstream of the dam crest of the earth-rock dam, and a cable trench is arranged at the downstream of the wave wall in a manner of being closely attached to the wave wall, so that the requirements of burying cables such as illumination, communication and the like are met. The general clear width of the cable pit is 0.4-0.8 m, and the wall thickness is 0.2-0.4 m. This has the following problems:
(1) The cable pit is generally an independent U-shaped reinforced concrete structure, and the upper surface of the cable pit is also required to be provided with a cover plate for sealing. The whole structural design is complex and the construction is troublesome.
(2) If the concrete cover plate above the cable trench needs to be driven, the thickness is at least 8cm, and the concrete cover plate is difficult to carry during construction, operation and maintenance.
(3) If the cable trench cover plate is not designed for a vehicle, the driving width of the dam crest is at least 0.8-1.2 m, and the vehicle passing efficiency and traffic safety of the dam crest are greatly reduced.
Therefore, how to optimize the cable trench structure of the dam crest of the earth-rock dam, the structure is simple, the construction is convenient, the width of the pressing vehicle is not occupied, and the cable trench structure is an important technology in water and electricity hydraulic engineering.
Disclosure of utility model
The utility model aims at solving the problems of complex structural design, troublesome construction, inconvenient transportation of a cover plate, occupied driving width and the like of a cable pit at the top of a dam of an earth-rock dam, and provides a convenient, reasonable and reliable wave wall and cable pit combined arrangement structure which is simple in structure, convenient to construct and free from occupied driving width at the top of the dam.
The technical scheme adopted by the utility model is as follows: wave wall and cable pit combine arrangement structure, set up wave wall, its characterized in that at earth-rock dam roof upstream side: the wave wall is characterized in that a downstream-facing groove with a notch is arranged above the dam crest and is used as a cable trough, a cable bracket is erected in the cable trough, and a cover plate is arranged on the notch.
On the basis of adopting the technical scheme, the utility model can also adopt the following further technical schemes or use the further technical schemes in combination:
the cable support is layered between the upper groove wall and the lower groove wall along the height direction.
The cover plate is an aluminum or stainless steel U-shaped cover plate.
The wave wall is an L-shaped wave wall with the cross section.
The lower groove wall of the cable groove is positioned at the height of 10-20 cm above the dam crest, the depth is 0.3-0.4 m, the height is 0.4-0.8 m, and the specific size of the cable groove is determined according to the burying number of cables.
The concrete wave wall is thickened to 70-80 cm from the conventional design thickness of 40-50 cm above the dam crest, the thickened part protrudes towards the upstream direction and forms a wave pressing inclined plane at the lower end, and the cable groove is arranged at the thickened height.
Compared with the prior art, the utility model has the following advantages:
1. the wave wall and the cable trench on the upstream of the dam top of the earth-rock dam are combined and arranged into the cable trench, so that the design structure is greatly simplified.
2. The cable trough does not occupy the width of the dam crest and has no influence on the traffic of the dam crest.
3. The cable trough sealing cover plate is made of light aluminum or stainless steel, and is convenient to overhaul and carry in construction and operation.
4. The use amount of concrete and steel bars of the cable trench at the dam crest is greatly reduced, and the engineering investment is saved.
5. The factors of convenient construction are fully considered, the construction procedure is greatly simplified, and the working quality is ensured.
Drawings
Fig. 1 is a schematic cross-sectional view of a wave wall and raceway combination arrangement of the utility model.
Fig. 2 is a three-dimensional schematic view of a wave wall and raceway combination arrangement of the present utility model.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present utility model, the present utility model will be further described with reference to fig. 1, 2 and examples, but it should be understood that the drawings are only for illustrative purposes and should not be construed as limiting the present utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
As shown in fig. 1 and 2, according to the combined arrangement structure of the wave wall and the cable trench, a groove is formed on the surface of the upstream side 10cm above the dam crest 5 (namely the dam crest pavement) of the L-shaped wave wall 1 of the earth-rock dam and facing downstream to serve as a cable groove 3, the depth is 0.3-0.4 m, the height is 0.4-0.8 m, and the specific size is determined according to the burying number of cables; the cable groove 3 is internally provided with a cable support 2, the outer side of the cable support is sealed by an aluminum or stainless steel U-shaped cover plate 4, and the thickness of the cable support is 0.5-1 mm.
The embodiment mainly comprises a 1-upstream wave wall, a 2-cable bracket, a 3-cable groove, a 4-cover plate, a 5-dam crest pavement, a 6-dam crest pavement structure and a 7-pavement sublevel filling area.
Wherein, for the upstream wave wall 1, the wall is arranged at the upstream of the top of the earth-rock dam, is generally L-shaped, has the total height of 4-5 m and the height of 0.8-1.2 m above the top of the dam.
The cable support 2 is located in the cable slot 3, and generally can be used for erecting 2-4 layers of cables, and is specifically determined according to the burying number of the cables and used for guiding the cables to the positions of the wave wall top, the two sides of a dam and the like.
Wherein, for the cable groove 3, the cable groove is arranged on the upstream wave wall 1 and is positioned at the position 10cm above the dam crest, the notch faces the downstream of the dam, the depth is 0.3-0.4 m, the height is 0.4-0.8 m, and the specific size of the cable groove is determined according to the burying number of cables. Further, the concrete wave wall is thickened to 70-80 cm from the conventional design thickness of 40-50 cm above the dam crest, the thickened part protrudes towards the upstream direction and forms a wave pressing inclined plane at the lower end, and the cable groove is arranged at the thickened height.
Wherein, the cover plate 4 can be detachably arranged outside the cable groove 3 by means of screws or clamping and the like, and the thickness of the cover plate is 0.5-1 mm by using an aluminum or stainless steel U-shaped cover plate for sealing and protecting the cable groove.
Wherein for a dam crest pavement 5, it is typically a concrete pavement or an asphalt concrete pavement. The dam crest pavement structure 6, such as a concrete pavement, generally comprises a concrete pavement layer, a cement stabilized gravel layer, graded broken stone and the like; such as asphalt concrete pavement, generally comprises fine asphalt concrete for six years, medium-coarse asphalt concrete, cement stabilized gravel layer, graded broken stone and the like.
And for the filling area 7 below the road surface, filling materials of the dam body such as dam crest transition materials below the dam crest road surface structure.
Based on the description and drawings of the utility model, a man skilled in the art can easily make and install or use the wave wall and cable trough combined arrangement structure of the utility model, and can produce the positive effects described in the utility model
Unless specifically stated otherwise, in the present utility model, if the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, they are merely for convenience in description and simplification of description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, so that the terms describing the orientation or positional relationships in the present utility model are used for illustration only and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meanings of the terms described above in conjunction with the drawings according to circumstances.
Unless specifically stated or limited otherwise, the terms "disposed," "sandwiched," and "connected" herein are to be construed broadly, e.g., they may be fixed, they may be removably, or they may be integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.
Claims (5)
1. The utility model provides a wave wall and cable pit combine arrangement structure, sets up wave wall in earth-rock dam top upstream side, its characterized in that, wave wall sets up the notch and faces the downstream recess as the cable tray to this face of low reaches above the dam top road surface, erect cable support in the cable tray, the notch sets up the apron, the apron is aluminium system or stainless steel U type apron.
2. The wave wall and raceway arrangement of claim 1, wherein the cable supports are layered in height between the upper and lower raceway walls.
3. The wave wall and cable pit combined arrangement structure of claim 1, wherein the wave wall is an L-shaped wave wall in cross section.
4. The wave wall and cable pit combined arrangement structure of claim 1, wherein the lower groove wall of the cable pit is located at a height of 10-20 cm above the dam crest, the depth is 0.3-0.4 m, the height is 0.4-0.8 m, and the specific size of the cable pit is determined according to the number of buried cables.
5. The combination arrangement structure of the wave wall and the cable pit according to claim 1, wherein the concrete wave wall is thickened to 70-80 cm from 40-50 cm in conventional design thickness above the dam crest, the thickened portion protrudes towards the upstream direction and forms a wave pressing inclined plane at the lower end, and the cable pit is arranged at the thickened height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004093.6U CN221255355U (en) | 2023-04-28 | 2023-04-28 | Wave wall and cable pit combination arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321004093.6U CN221255355U (en) | 2023-04-28 | 2023-04-28 | Wave wall and cable pit combination arrangement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221255355U true CN221255355U (en) | 2024-07-02 |
Family
ID=91663519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321004093.6U Active CN221255355U (en) | 2023-04-28 | 2023-04-28 | Wave wall and cable pit combination arrangement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221255355U (en) |
-
2023
- 2023-04-28 CN CN202321004093.6U patent/CN221255355U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |