CN213867628U - Hydraulic engineering side slope protection prefabrication device - Google Patents
Hydraulic engineering side slope protection prefabrication device Download PDFInfo
- Publication number
- CN213867628U CN213867628U CN202022512266.8U CN202022512266U CN213867628U CN 213867628 U CN213867628 U CN 213867628U CN 202022512266 U CN202022512266 U CN 202022512266U CN 213867628 U CN213867628 U CN 213867628U
- Authority
- CN
- China
- Prior art keywords
- river
- fixed
- embankment
- slope
- hydraulic engineering
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009417 prefabrication Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims 1
- 239000002002 slurry Substances 0.000 claims 1
- 230000008595 infiltration Effects 0.000 abstract description 4
- 238000001764 infiltration Methods 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract description 4
- 230000002633 protecting effect Effects 0.000 abstract description 3
- 238000001556 precipitation Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Landscapes
- Revetment (AREA)
Abstract
The utility model discloses a hydraulic engineering side slope protection prefabrication device relates to hydraulic engineering technical field, including the river levee, the fixed concrete base that is provided with in river levee bottom one side, the fixed river edge that is provided with in concrete base one side, concrete base top is provided with the embankment slope, the embankment slope outside is the inclined plane setting, embankment slope top and river levee fixed connection, embankment slope bottom and river edge fixed connection. The utility model discloses a framework is stabilized on the lawn layer to vertical support fence and horizontal support fence, and precipitation oozes from the lawn layer, and the infiltration hole that sees through horizontal support fence surface flows, utilizes fixed dyke platform to block the water that flows to lead to the drainage groove through the intercommunication mouth, and the drainage groove leads the ditch in the outside to river edge with water, reduces the dwell time of water on the dyke slope, improves water drainage treatment effeciency, avoids rivers direct washing away to dyke slope, improves domatic protecting effect.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field, in particular to hydraulic engineering side slope protection prefabrication device.
Background
Hydraulic engineering is an engineering built for controlling and allocating surface water and underground water in nature to achieve the purposes of removing harmful substances and benefiting. Also known as water engineering, water is a valuable resource essential for human production and life, but its naturally occurring state does not completely meet the needs of human beings. Only when hydraulic engineering is built, water flow can be controlled, flood disasters can be prevented, water quantity is adjusted and distributed to meet the requirements of people on water resources in life and production, and geotechnical engineering is a new technical system established in civil engineering practice in 60 s of the 20 th century in European and American countries.
In water conservancy projects, the penstocks for irrigation are generally arranged along the direction of the road. The river levee is generally higher than the water-guiding canal, so that a slope body is formed, the slope body is easily influenced by water, and the use of the water-guiding canal and a road is influenced because the slope body structure is damaged due to water and soil loss.
Therefore, it is necessary to invent a prefabricated device for protecting the slope of the hydraulic engineering to solve the problems.
SUMMERY OF THE UTILITY MODEL
Therefore, the embodiment of the utility model provides a hydraulic engineering side slope protection prefabricating device to solve the problem that leads to among the prior art.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: a hydraulic engineering side slope protection prefabricating device comprises a river bank, wherein a concrete bottom platform is fixedly arranged on one side of the bottom of the river bank, a river edge is fixedly arranged on one side of the concrete bottom platform, a bank slope is arranged on the top of the concrete bottom platform, the outer side of the bank slope is arranged in an inclined plane, the top of the bank slope is fixedly connected with the river bank, and the bottom of the bank slope is fixedly connected with the river edge;
the lawn comprises a dike slope and is characterized in that drainage grooves are formed in the surface of the dike slope, the drainage grooves are obliquely and downwards arranged corresponding to a dike slope inclined plane, the number of the drainage grooves is multiple, a fixed dike platform is fixedly arranged between every two adjacent drainage grooves, communication ports are fixedly formed in the surface of each drainage groove, the communication ports are formed in the top of the fixed dike platform, fixing piles are fixedly arranged in the middle of the bottom of the fixed dike platform and on the two sides of the bottom of the fixed dike platform, the fixing piles are fixedly embedded in the dike slope, vertical support columns are fixedly arranged at the bottom of the fixed dike platform, transverse support columns are fixedly arranged between the vertical support columns, seepage holes are fixedly formed in the surfaces of the transverse support columns, a lawn layer is arranged on the surface of the dike slope, the lawn layer is arranged between the drainage grooves, and the vertical support columns and the transverse support columns are combined with the lawn layer.
Furthermore, the river edge is made of stone and concrete by pouring, a fixing groove is fixedly formed in the surface of the river edge, and the bottom end of the drainage groove is fixedly communicated with the fixing groove.
Furthermore, the top end of the vertical support fence is fixedly connected with the fixing pile, the bottom end of the vertical support fence is fixedly provided with the auxiliary pile, and the auxiliary pile is fixedly embedded in the embankment slope.
Further, spud pile and supplementary stake are made by the thick liquid that thoughtlessly congeals, inside all fixed reinforcing bar anchor post that is provided with of spud pile and supplementary stake, reinforcing bar anchor post is made by tertiary screw-thread steel.
Furthermore, the number of the water seepage holes is set to be a plurality, and the water seepage holes are horizontally arranged.
Furthermore, the vertical support bars and the transverse support bars are arranged in a cross manner, reinforcing steel bar frames are fixedly arranged inside the vertical support bars and the transverse support bars, and the reinforcing steel bar frames are made of three-level screw-thread steel.
Furthermore, a scale rod is fixedly arranged at the top of the river edge and is made of a metal material.
Further, the river is along the fixed railing post that is provided with in top, railing post quantity sets up to a plurality ofly, and is a plurality of the railing post corresponds river along direction align to grid and sets up, the fixed horizontal railing that is provided with between the railing post.
The embodiment of the utility model provides a have following advantage:
1. the utility model discloses a fixed dyke platform of setting up on dyke slope fixedly, cooperation vertical support fence and horizontal support fence carry out stable framework to the lawn layer, realize that the lawn layer covers the protection to dyke slope surface, the precipitation on dyke slope surface oozes from the lawn layer, the infiltration hole that sees through horizontal support fence surface flows, utilize fixed dyke platform to block the water that flows, and lead to the drainage groove through the intercommunication mouth, the drainage groove leads water to the ditch of river edge outside, reduce the dwell time of water on dyke slope, improve water drainage treatment efficiency, avoid rivers directly to the washing away of dyke slope, improve the protective effect to domatic;
2. the utility model discloses a set up the scale bar, when the ditch rises, the water logging does not have the river edge, utilizes the scale bar to carry out the depth of water and detects, and the railing post combines horizontal railing to constitute along the rail guard of river edge setting, improves the protecting effect of river levee.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure provided by the present invention;
fig. 2 is a schematic view of the structure of part a of fig. 1 according to the present invention;
fig. 3 is a schematic view of the overall structure of the vertical support fence and the horizontal support fence provided by the present invention;
fig. 4 is a schematic cross-sectional structural view of the fixing pile according to the present invention;
fig. 5 is a schematic cross-sectional view of the transverse support rail according to the present invention;
in the figure: the artificial lawn comprises a river levee 1, a concrete bottom platform 2, a river edge 3, a levee slope 4, a drainage groove 5, a fixed levee platform 6, a communication port 7, a fixed pile 8, a vertical support fence 9, a horizontal support fence 10, a water seepage hole 11, a lawn layer 12, a fixed groove 13, an auxiliary pile 14, a steel bar anchor column 15, a steel bar frame 16, a graduated rod 17, a railing rod column 18 and a horizontal railing rod 19.
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.
The utility model provides a hydraulic engineering side slope protection prefabrication device as shown in fig. 1-5, including river levee 1, a concrete base 2 is fixedly arranged on one side of the bottom of river levee 1, a river edge 3 is fixedly arranged on one side of concrete base 2, a bank 4 is arranged on the top of concrete base 2, the outer side of bank 4 is in inclined plane arrangement, the top of bank 4 is fixedly connected with river levee 1, the bottom of bank 4 is fixedly connected with river edge 3, and river edge 3 is lower than river levee 1, thereby realizing the inclined plane of bank 4;
the surface of the embankment 4 is provided with drainage grooves 5, the drainage grooves 5 are obliquely and downwards arranged corresponding to the inclined surface of the embankment 4, the number of the drainage grooves 5 is multiple, a fixed embankment 6 is fixedly arranged between every two adjacent drainage grooves 5, the surface of each drainage groove 5 is fixedly provided with a communication port 7, each communication port 7 is arranged at the top of the fixed embankment 6, the middle part and two sides of the bottom of the fixed embankment 6 are fixedly provided with fixing piles 8, each fixing pile 8 is fixedly embedded in the embankment 4, the bottom of the fixed embankment 6 is fixedly provided with a vertical bracket fence 9, a transverse bracket fence 10 is fixedly arranged between the vertical bracket fences 9, the surface of each transverse bracket fence 10 is fixedly provided with a water seepage hole 11, the surface of the embankment 4 is provided with a lawn layer 12, the lawn layer 12 is arranged between the drainage grooves 5, and the vertical bracket fence 9 and the transverse bracket fence 10 are both combined with the lawn layer 12, fixed embankment platform 6 that sets up on dyke slope 4, cooperation vertical support fence 9 and horizontal support fence 10 stabilize framework to lawn layer 12, realize lawn layer 12 and cover the protection to dyke slope 4 surface, the rainfall on dyke slope 4 surface is followed lawn layer 12 infiltration, it flows to see through the infiltration hole 11 on horizontal support fence 10 surface, fixed embankment platform 6 blocks the water that flows, intercommunication mouth 7 leads to drainage groove 5, drainage groove 5 leads the canal in 3 outsides of river edges, reduce the dwell time of water on dyke slope 4, improve water drainage treatment effeciency, avoid rivers directly to the washing away of dyke slope 4, improve the protective effect to dyke slope 4.
Further, the river edge 3 is made by stone bonded concrete pouring, the river edge 3 fixed surface is provided with fixed slot 13, 5 bottom in drainage groove and the fixed intercommunication setting of fixed slot 13, 5 combination fixed slots 13 in drainage groove guide water to the ditch in the river edge 3 outside, improve the circulation effect of water, improve the guide effect of water.
Further, the top end of the vertical support fence 9 is fixedly connected with the fixing pile 8, the auxiliary pile 14 is fixedly arranged at the bottom end of the vertical support fence 9, the auxiliary pile 14 is fixedly embedded inside the embankment slope 4, the fixing pile 8 and the auxiliary pile 14 are used for fixing the top end and the bottom end of the vertical support fence 9 respectively, and the stability of the vertical support fence 9 is improved.
Further, the fixing pile 8 and the auxiliary pile 14 are both made of concrete, reinforcing steel bar anchor posts 15 are fixedly arranged inside the fixing pile 8 and the auxiliary pile 14, the reinforcing steel bar anchor posts 15 are made of three-level deformed steel bars, the reinforcing steel bar anchor posts 15 improve the structural strength of the fixing pile 8 and the auxiliary pile 14, the fixing pile 8 and the auxiliary pile 14 are embedded into the embankment slope 4, and the stability of the vertical support fence 9 and the stability of the transverse support fence 10 are improved.
Furthermore, the number of the water seepage holes 11 is set to be a plurality of, and the water seepage holes 11 are horizontally arranged, so that the water seepage holes 11 facilitate the downward seepage and the flowing of water, and the water concentration is facilitated.
Further, the vertical support bars 9 and the horizontal support bars 10 are arranged in a cross manner, reinforcing steel frames 16 are fixedly arranged inside the vertical support bars 9 and the horizontal support bars 10, the reinforcing steel frames 16 are made of three-level screw steel, the reinforcing steel frames 16 improve the structural stability of the vertical support bars 9 and the horizontal support bars 10, and the vertical support bars 9 and the horizontal support bars 10 facilitate the lawn layer 12 to be fixedly arranged on the surface of the embankment 4.
Furthermore, a scale rod 17 is fixedly arranged at the top of the river edge 3, the scale rod 17 is made of metal materials, when the water channel rises, the river edge 3 is submerged in water, and the water depth detection is carried out by using the scale rod 17.
Further, the river is along 3 fixed being provided with railing post 18 in top, railing post 18 quantity sets up to a plurality ofly, and is a plurality of railing post 18 corresponds 3 direction align to grid settings along the river, the fixed horizontal railing 19 that is provided with between railing post 18, railing post 18 combines horizontal railing 19 to constitute along the rail guard of river along setting, improves the protective effect of river levee.
The implementation mode is specifically as follows: a fixed embankment platform 6 is fixedly arranged on the embankment slope 4, a steel bar anchor post 15 improves the structural strength of a fixed pile 8 and an auxiliary pile 14, the fixed pile 8 and the auxiliary pile 14 are embedded into the embankment slope 4 to improve the stability of a vertical support column 9 and a transverse support column 10, a steel bar frame 16 improves the structural stability of the vertical support column 9 and the transverse support column 10, the vertical support column 9 and the transverse support column 10 facilitate a lawn layer 12 to be fixedly arranged on the surface of the embankment slope 4, the fixed pile 8 and the auxiliary pile 14 respectively fix the top end and the bottom end of the vertical support column 9 to improve the stability of the vertical support column 9, the vertical support column 9 and the transverse support column 10 are matched to carry out stable framework on the lawn layer 12 to realize that the lawn layer 12 covers and protects the surface of the embankment slope 4, the rainfall on the surface of the embankment slope 4 seeps from the lawn layer 12 and flows through a seepage hole 11 on the surface of the transverse support column 10, the fixed embankment platform 6 blocks the flowing water, the communicating port 7 leads to the drainage groove 5, the drainage groove 5 combines the fixed slot 13 to lead water to the ditch outside the river edge 3, the circulation effect of water is improved, the guide effect of water is improved, the retention time of water on the levee slope 4 is reduced, the water drainage treatment efficiency is improved, the direct washing of water flow on the levee slope 4 is avoided, the protection effect on the levee slope 4 is improved, when the ditch is flooded, the water submerges the river edge 3, the water depth detection is carried out by utilizing the scale rod 17, the railing column 18 combines the transverse railing 19 to form a guardrail arranged along the river edge, and the protection effect of the river bank is improved.
The utility model discloses the theory of operation:
referring to the attached drawings 1-5, a fixed dike platform 6 is fixedly arranged on a dike slope 4, a lawn layer 12 is stably constructed by matching a vertical support column 9 and a transverse support column 10, the surface of the dike slope 4 is covered and protected by the lawn layer 12, rainfall on the surface of the dike slope 4 is infiltrated from the lawn layer 12 and flows through seepage holes 11 on the surface of the transverse support column 10, the fixed dike platform 6 blocks flowing water, a communication port 7 leads to a drainage groove 5, the drainage groove 5 leads the water to a water channel outside a river edge 3, the retention time of the water on the dike slope 4 is reduced, the water drainage treatment efficiency is improved, the dike slope 4 is prevented from being directly washed by the water flow, and the protection effect on the dike slope 4 is improved;
referring to the attached drawing 1, when the water channel rises, the water submerges the river edge 3, the water depth detection is carried out by using the scale rods 17, and the railing columns 18 are combined with the transverse railings 19 to form the guardrails arranged along the river edge, so that the protection effect of the river levee is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a hydraulic engineering side slope protection prefabrication device which characterized in that: the river levee embankment comprises a river levee (1), wherein a concrete bottom platform (2) is fixedly arranged on one side of the bottom of the river levee (1), a river edge (3) is fixedly arranged on one side of the concrete bottom platform (2), an embankment slope (4) is arranged on the top of the concrete bottom platform (2), the outer side of the embankment slope (4) is arranged in an inclined plane, the top of the embankment slope (4) is fixedly connected with the river levee (1), and the bottom of the embankment slope (4) is fixedly connected with the river edge (3);
the drainage grooves (5) are arranged on the surface of the embankment slope (4), the drainage grooves (5) are arranged downwards corresponding to the inclined plane of the embankment slope (4), the number of the drainage grooves (5) is multiple, a fixed embankment platform (6) is fixedly arranged between every two adjacent drainage grooves (5), the surface of each drainage groove (5) is fixedly provided with a communication port (7), the communication ports (7) are arranged at the top of the fixed embankment platform (6), the middle part and two sides of the bottom of the fixed embankment platform (6) are fixedly provided with fixed piles (8), the fixed piles (8) are fixedly embedded in the embankment slope (4), the bottom of the fixed embankment platform (6) is fixedly provided with vertical support columns (9), transverse support columns (10) are fixedly arranged between the vertical support columns (9), the surface of each transverse support column (10) is fixedly provided with a water seepage hole (11), and the surface of the embankment slope (4) is provided with a lawn layer (12), lawn layer (12) set up between drainage groove (5), vertical support fence (9) and horizontal support fence (10) all combine the setting with lawn layer (12).
2. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: the river is followed (3) and is made by stone bonded concrete casting, river (3) fixed surface is provided with fixed slot (13), drainage groove (5) bottom and fixed intercommunication setting of fixed slot (13).
3. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: the top end of the vertical support fence (9) is fixedly connected with the fixing pile (8), the bottom end of the vertical support fence (9) is fixedly provided with an auxiliary pile (14), and the auxiliary pile (14) is fixedly embedded in the embankment slope (4).
4. The hydraulic engineering side slope protection prefabrication device of claim 3, characterized in that: the anchor pile is characterized in that the anchor pile (8) and the auxiliary pile (14) are made of concrete slurry, reinforcing steel bar anchor columns (15) are fixedly arranged inside the anchor pile (8) and the auxiliary pile (14), and the reinforcing steel bar anchor columns (15) are made of three-level deformed steel bars.
5. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: the number of the water seepage holes (11) is set to be a plurality, and the water seepage holes (11) are horizontally arranged.
6. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: the vertical support bars (9) and the transverse support bars (10) are arranged in a cross mode, reinforcing steel frames (16) are fixedly arranged inside the vertical support bars (9) and the transverse support bars (10), and the reinforcing steel frames (16) are made of three-level deformed steel bars.
7. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: the river edge is characterized in that a scale rod (17) is fixedly arranged at the top of the river edge (3), and the scale rod (17) is made of a metal material.
8. The hydraulic engineering side slope protection prefabrication device of claim 1, characterized in that: river is along (3) fixed being provided with railing post (18) in top, railing post (18) quantity sets up to a plurality ofly, and is a plurality of railing post (18) correspond the river and set up along (3) direction align to grid, fixed horizontal railing (19) of being provided with between railing post (18).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022512266.8U CN213867628U (en) | 2020-11-03 | 2020-11-03 | Hydraulic engineering side slope protection prefabrication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202022512266.8U CN213867628U (en) | 2020-11-03 | 2020-11-03 | Hydraulic engineering side slope protection prefabrication device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN213867628U true CN213867628U (en) | 2021-08-03 |
Family
ID=77052350
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202022512266.8U Expired - Fee Related CN213867628U (en) | 2020-11-03 | 2020-11-03 | Hydraulic engineering side slope protection prefabrication device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN213867628U (en) |
-
2020
- 2020-11-03 CN CN202022512266.8U patent/CN213867628U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN111851427A (en) | Novel intercepting and cofferdam body of hydropower station and dam body construction method | |
CN110747813B (en) | Waterproof construction method for hydraulic engineering | |
CN110258452B (en) | A prevention of seepage stagnant water structure for on hydraulic and hydroelectric engineering | |
CN213867628U (en) | Hydraulic engineering side slope protection prefabrication device | |
CN210712745U (en) | Ecological water retaining slope for hydraulic engineering | |
CN207211068U (en) | A kind of structures for being used to reinforce river dyke | |
CN214033750U (en) | Geotechnical engineering slope seepage prevention water structure | |
CN210341824U (en) | Reinforced structure of energy dissipation anti-impact facility under gate | |
CN211080123U (en) | Ecological bank slope protection device in river lake | |
CN211498867U (en) | A envelope for underground works excavation foundation ditch engineering on a large scale | |
CN210086181U (en) | Sediment dam structure is blocked to formula of permeating water | |
CN213681962U (en) | Hydraulic engineering concrete prevention of seepage processing apparatus | |
CN217104934U (en) | Slope body bearing structure for hydraulic engineering | |
CN211621486U (en) | Assembled sluice | |
CN218466470U (en) | Sand blocking weir | |
CN213740865U (en) | Port channel slope protection structure | |
CN208219567U (en) | A kind of silt arrester | |
CN215105050U (en) | Dyke reinforcing structure | |
CN216339302U (en) | Dam cut-off wall supporting structure | |
CN210031690U (en) | Ecological bank protection of hydraulic engineering | |
CN210857270U (en) | Retaining wall for hydraulic engineering | |
CN213625465U (en) | Side slope supporting mechanism for hydraulic engineering protection | |
CN109577161B (en) | Assembled multifunctional bridge and assembling method thereof | |
CN211498888U (en) | Side slope protection device for hydraulic and hydroelectric engineering | |
CN216275504U (en) | Water conservancy building waterproof construction and water conservancy dam |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210803 |