CN211171829U - Slope protection structure for pumped storage power station - Google Patents
Slope protection structure for pumped storage power station Download PDFInfo
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- CN211171829U CN211171829U CN201922126305.8U CN201922126305U CN211171829U CN 211171829 U CN211171829 U CN 211171829U CN 201922126305 U CN201922126305 U CN 201922126305U CN 211171829 U CN211171829 U CN 211171829U
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- 239000004567 concrete Substances 0.000 claims abstract description 47
- 239000004576 sand Substances 0.000 claims abstract description 25
- 238000004321 preservation Methods 0.000 claims abstract description 17
- 239000010410 layer Substances 0.000 claims description 116
- 238000001914 filtration Methods 0.000 claims description 12
- 239000002344 surface layer Substances 0.000 claims description 9
- 239000004746 geotextile Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 3
- 239000011496 polyurethane foam Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 28
- 239000004744 fabric Substances 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 238000007710 freezing Methods 0.000 description 3
- 230000008014 freezing Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009991 scouring Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of slope protection structures, in particular to a slope protection structure for pumped storage power station, including surface course and concrete basic unit, the concrete basic unit is inside evenly to include the heat preservation ball, concrete basic unit outside has laid thin sand bed, concrete basic unit outside equidistance is offered and is used for holding the V-arrangement recess of thin sand bed, the outer wall of thin sand bed has laid the anti-geotechnological cloth layer of worrying, anti-geotechnological cloth layer outer wall has laid rubble drainage blanket, utilizes the setting of heat preservation ball can increase the thermal insulation performance of concrete basic unit, thereby can reduce the surface course frost crack in winter and lead to the unstable condition of slope protection structure; utilize the V-arrangement recess can increase the stability that fine sand layer laid, the condition that the fine sand layer excessively moved down takes place when reducing the water level decline, utilizes fixing bolt's setting to fix gabion slope protection layer and concrete structure layer I and concrete structure layer II.
Description
Technical Field
The utility model relates to a bank protection technical field specifically is a bank protection structure for pumped storage power station.
Background
The slope near the water inlet and the water outlet of a pumped storage power station in northern areas of China is subjected to multiple damages such as wave impact elutriation, sudden water level drop generated by daily pumped power generation, frost heaving caused by severe cold in winter and the like all the year round, so that the slope protection near the water inlet and the water outlet is easy to collapse and peel off.
For a newly built project, the traditional water inlet and outlet side slope is convenient to construct due to dry land construction conditions within the protection range of the cofferdam; if the dam is out of the blocking range of the cofferdam or the built engineering damaged side slope is repaired, the problem of no dry land construction condition exists. For this purpose, the method usually used is underwater stone throwing, water masonry stone, dry stone or concrete pouring as the form of slope support. The side slope is frequently subjected to wave impact elutriation, water level sudden drop and frost heaving in winter, and because of the quality defect of reverse filtration or no reverse filtration material, reverse filtration is ineffective, so that the soil body at the lower part is elutriated and is emptied, the slope surface is collapsed due to the fact that the slope protection material loses the support body, and the whole or local bank protection is damaged; or because the thickness of the rigid revetment and the cushion (or the reverse filtration) is less than the local maximum frozen soil depth, the blocked revetment body is frozen and swelled, the revetment body is cracked and damaged, and then the revetment is collapsed and peeled and damaged by wave elutriation. The damage is often repaired, and the constructed project is restricted by daily operation conditions, no construction roads and other conditions, so that the repair is difficult and a large amount of manpower and material resources are consumed.
In addition, the pumped storage power station is mostly in scenic spots, and concrete or masonry stone and other slope protection forms are adopted, so that the problems are easy to occur, stiff artificial traces and grey negative landscapes in a reinforced concrete forest type are easy to form, and the pumped storage power station is easy to be incompatible with the surrounding environment and landscapes.
To this, patent application No. CN201620671470.5 has proposed a water-storage power station inlet outlet bank of water protection structure, including being located underwater and the riprap bank protection in water level fluctuation district, being located the bank protection on water and being located the packway at bank protection top on water, bank protection structure on water is by interior and table for anti-geotechnological cloth, gravel or rubble bed course, gabion bank protection of straining in proper order. And a coarse sand cushion layer is also arranged below the reverse filtering geotextile. On the basis of effectively protecting the side slope of the water inlet and the water outlet of the pumped storage power station, the scheme effectively solves the problems of frequent wave slapping and scouring, sudden drop of water level generated by daily pumped power generation and collapse, spalling and damage of winter severe cold freezing and thawing to the slope protection, and is suitable for the surrounding environment, economical, reasonable and simple and convenient in construction.
However, the above solution has drawbacks in implementation:
the technical scheme lacks a fixing structure of the gabion revetment, so that the stability and firmness of the gabion revetment are poor, the possibility of sliding down is easily generated under water impact, and meanwhile, sand gravel is easily subjected to the phenomenon of sliding down when the water level is reduced, so that the filtering effect of the revetment is influenced; the above-mentioned solutions also lack a structure for preventing frost heaving of the surface layer, so that the road surface is easily cracked and damaged, and thus, there is a need for improved treatment.
SUMMERY OF THE UTILITY MODEL
In order to compensate the above deficiency, the utility model aims to provide a slope protection structure for pumped storage power station aims at improving the relatively poor problem of slope protection structural stability, fastness.
The technical scheme of the utility model is that: a slope protection structure for a pumped storage power station comprises a surface layer and a concrete base layer, wherein heat preservation balls are uniformly contained in the concrete base layer, a fine sand layer is laid on the outer side of the concrete base layer, V-shaped grooves for containing the fine sand layer are formed in the outer side of the concrete base layer at equal intervals, an anti-filtering geotextile layer is laid on the outer wall of the fine sand layer, a gravel drainage layer is laid on the outer wall of the anti-filtering geotextile layer, a gabion slope protection layer is laid on the outer wall of the gravel drainage layer, a concrete structure layer I is installed at the bottom of the gabion slope protection layer, a stepped groove is formed in the left side of the upper portion of the surface layer, a concrete structure layer II is fixed on the inner wall of the stepped groove, the upper end of the gabion slope protection layer is tightly attached to the inner wall of the concrete structure layer II, fixing bolts are further installed at the upper portion and the lower portion of the gabion slope protection layer, and the bottom of the gabion slope protection layer is connected with fixing rods in an integrated manner at equal intervals, and the tail ends of the fixing rods are all inserted into the concrete base layer.
As a further optimization of the technical scheme, the heat-insulating ball is hollow and filled with a polyurethane foam layer, the outer wall of the heat-insulating ball is adhered with a buffer rubber layer, and the buffer rubber layer wraps the outer wall of the heat-insulating ball.
As a further optimization of the technical scheme, all the fixing rods are perpendicular to the gabion slope protection layer, and all the fixing bolts are vertically arranged.
As a further optimization of the technical scheme, the upper part of the surface layer is also evenly paved with a turf layer for beautifying the environment, and the adjacent turf layers are tightly attached to each other.
As a further optimization of the technical scheme, the adjacent V-shaped grooves are arranged in a clinging mode, all the V-shaped grooves are arranged with openings facing upwards, and part of the fine sand layer is contained in the V-shaped grooves.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a slope protection structure for a pumped storage power station, which can increase the heat preservation performance of a concrete base layer by utilizing the arrangement of heat preservation balls, thereby reducing the condition that the slope protection structure is unstable due to frost cracking of a surface layer in winter; the V-shaped groove can be used for increasing the laying stability of the fine sand layer and reducing the occurrence of the situation that the fine sand layer excessively moves downwards when the water level descends, the gabion slope protection layer can be fixed with the concrete structure layer I and the concrete structure layer II by the aid of the fixing bolts, and the fixing rod can be used for fixing the gabion slope protection layer and the concrete base layer in a connected mode, so that the stability of the gabion slope protection layer can be improved by the aid of the fixing bolts and the fixing rod in a matched mode, and the stability of the whole slope protection structure can be improved; on the basis of effectively protecting the side slope of the water inlet and the water outlet of the pumped storage power station, the whole slope protection structure effectively solves the problems of frequent wave slapping and scouring, sudden drop of water level generated by daily pumped power generation and collapse, peeling and damage of winter severe cold freezing and thawing to the slope protection, and greatly enhances the adaptability of the slope protection structure to deformation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is the utility model discloses mix earth basic unit structure sketch map.
In the figure: 1-surface layer; 101-a step groove; 2-concrete base course; 201-heat preservation ball; 202-a V-shaped groove; 3-fine sand layer; 4-filtering the geotextile layer; 5-a gravel drainage layer; 6-gabion slope protection layer; 7-concrete structure layer I; 8-concrete structural layer II; 9-fixing the bolt; 10-a fixing rod; 11-turf layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a bank protection structure for pumped storage power station, includes surface course 1 and muddy earth basic unit 2, the turf layer 11 that is used for beautifying the environment has still evenly been laid on 1 upper portion of surface course, and is adjacent the turf layer 11 is hugged closely mutually, muddy earth basic unit 2 is inside evenly to include heat preservation ball 201, heat preservation ball 201 is inside to be hollow form setting and its inside packing has the polyurethane foam layer, the inherent cushion rubber layer of heat preservation ball 201 outer wall bonding, and the cushion rubber layer parcel is in heat preservation ball 201 outer wall, and when using, utilizes the setting of turf layer 11 can increase whole bank protection structure's aesthetic property; utilize setting up of heat preservation ball 201 can increase the thermal insulation performance of concrete basic unit 2 to can reduce the condition that 1 frost crack of surface course leads to slope protection structure unstable in winter.
The concrete base layer 2 is equidistantly provided with V-shaped grooves 202 for accommodating fine sand layers 3, the outer wall of each fine sand layer 3 is paved with an anti-filtering geotextile layer 4, the outer wall of the anti-filtering geotextile layer 4 is paved with a gravel drainage layer 5, the outer wall of the gravel drainage layer 5 is paved with a gabion slope protection layer 6, the bottom of the gabion slope protection layer 6 is provided with a concrete structure layer I7, the left side of the upper part of the surface layer 1 is provided with a stepped groove 101, the inner wall of the stepped groove 101 is fixed with a concrete structure layer II 8, the upper end part of the gabion slope protection layer 6 is tightly attached to the inner wall of the concrete structure layer II 8, the upper part and the lower part of the gabion slope protection layer 6 are also respectively provided with fixing bolts 9, the tail ends of the fixing bolts 9 respectively penetrate into the concrete structure layer I7 and the concrete structure layer II 8, and the bottom of the gabion slope protection layer, the tail ends of all the fixing rods 10 are inserted into the concrete base layer 2, all the fixing rods 10 are perpendicular to the gabion slope protection layer 6, all the fixing bolts 9 are vertically arranged, the adjacent V-shaped grooves 202 are arranged in a closely attached mode, openings of all the V-shaped grooves 202 are arranged upwards, part of the fine sand layers 3 are accommodated in the V-shaped grooves 202, when the gabion slope protection layer fixing device is used, the stability of laying of the fine sand layers 3 can be improved through the V-shaped grooves 202, the situation that the fine sand layers 3 excessively move downwards when a water level drops is reduced, the gabion slope protection layer 6 can be fixed with the concrete structure layer I7 and the concrete structure layer II 8 through the arrangement of the fixing bolts 9, the stability of the gabion slope protection layer 6 and the concrete base layer 2 can be connected through the arrangement of the fixing rods 10, and therefore the stability of the gabion slope protection layer 6 can be improved through the cooperation of the fixing bolts 9 and the fixing rods 10, that is, the stability of the whole slope protection structure can be increased.
The structure principle is as follows: the arrangement of the heat preservation ball 201 can increase the heat preservation performance of the concrete base layer 2, so that the situation that the slope protection structure is unstable due to frost cracking of the surface layer 1 in winter can be reduced; the V-shaped groove 202 can be used for improving the laying stability of the fine sand layer 3 and reducing the occurrence of the situation that the fine sand layer 3 excessively moves downwards when the water level descends, the gabion slope protection layer 6, the concrete structure layer I7 and the concrete structure layer II 8 can be fixed by the aid of the fixing bolt 9, and the gabion slope protection layer 6 and the concrete base layer 2 can be connected stably by the aid of the fixing rod 10, so that the stability of the gabion slope protection layer 6 can be improved by the aid of the fixing bolt 9 and the fixing rod 10 in a matched mode, and the stability of the whole slope protection structure can be improved; on the basis of effectively protecting the side slope of the water inlet and the water outlet of the pumped storage power station, the whole slope protection structure effectively solves the problems of frequent wave slapping and scouring, sudden drop of water level generated by daily pumped power generation and collapse, peeling and damage of winter severe cold freezing and thawing to the slope protection, and greatly enhances the adaptability of the slope protection structure to deformation.
The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a bank protection structure for pumped storage power station, includes surface course (1) and muddy earth basic unit (2), its characterized in that: the concrete base layer (2) is internally and uniformly provided with heat preservation balls (201), a fine sand layer (3) is laid on the outer side of the concrete base layer (2), a V-shaped groove (202) used for accommodating the fine sand layer (3) is arranged on the outer side of the concrete base layer (2) in an equal distance mode, an anti-filtering geotextile layer (4) is laid on the outer wall of the fine sand layer (3), a gravel drainage layer (5) is laid on the outer wall of the gravel drainage layer (5), a gabion slope protection layer (6) is laid on the outer wall of the gabion slope protection layer (6), a concrete structure layer I (7) is installed at the bottom of the gabion slope protection layer (6), a stepped groove (101) is formed in the left side of the upper portion of the face layer (1), a concrete structure layer II (8) is fixed to the inner wall of the stepped groove (101), the upper end of the gabion slope protection layer (6) is tightly attached to the inner wall of the concrete structure layer II (8), and fixing bolts (9) are, fixing bolt (9) end is deepened respectively to concrete structure layer I (7) and concrete structure layer II (8) inside, just gabion slope protection layer (6) bottom still equidistance integrated into one piece be connected with dead lever (10), and all dead lever (10) end all inserts into inside muddy earth basic unit (2).
2. The slope protection structure for pumped storage power stations according to claim 1, characterized in that: the heat preservation ball (201) is hollow and filled with a polyurethane foam layer, a buffer rubber layer is adhered to the outer wall of the heat preservation ball (201), and the buffer rubber layer wraps the outer wall of the heat preservation ball (201).
3. The slope protection structure for pumped storage power stations according to claim 1, characterized in that: all the fixing rods (10) are perpendicular to the gabion slope protection layer (6), and all the fixing bolts (9) are vertically arranged.
4. The slope protection structure for pumped storage power stations according to claim 1, characterized in that: the upper part of the surface layer (1) is also evenly paved with a turf layer (11) for beautifying the environment, and the turf layer (11) is adjacent to the turf layer.
5. The slope protection structure for pumped storage power stations according to claim 1, characterized in that: the adjacent V-shaped grooves (202) are arranged in a clinging mode, all the V-shaped grooves (202) are arranged in an upward opening mode, and part of the fine sand layer (3) is contained in the V-shaped grooves (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126305.8U CN211171829U (en) | 2019-12-02 | 2019-12-02 | Slope protection structure for pumped storage power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922126305.8U CN211171829U (en) | 2019-12-02 | 2019-12-02 | Slope protection structure for pumped storage power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211171829U true CN211171829U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922126305.8U Active CN211171829U (en) | 2019-12-02 | 2019-12-02 | Slope protection structure for pumped storage power station |
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| Country | Link |
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| CN (1) | CN211171829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411777A (en) * | 2022-02-24 | 2022-04-29 | 国网新源控股有限公司 | Floated afforestation bank protection is used in pumped storage power station |
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2019
- 2019-12-02 CN CN201922126305.8U patent/CN211171829U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114411777A (en) * | 2022-02-24 | 2022-04-29 | 国网新源控股有限公司 | Floated afforestation bank protection is used in pumped storage power station |
| CN114411777B (en) * | 2022-02-24 | 2023-08-18 | 国网新源控股有限公司 | Suspension type greening slope protection for pumped storage power station |
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