CN108166451B - Soil-imitating blanket type three-dimensional energy dissipation slope protection for river side bank - Google Patents
Soil-imitating blanket type three-dimensional energy dissipation slope protection for river side bank Download PDFInfo
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- CN108166451B CN108166451B CN201810237728.4A CN201810237728A CN108166451B CN 108166451 B CN108166451 B CN 108166451B CN 201810237728 A CN201810237728 A CN 201810237728A CN 108166451 B CN108166451 B CN 108166451B
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- blanket
- blanket body
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- slope
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
- E02B3/124—Flexible prefabricated covering elements, e.g. mats, strips mainly consisting of metal
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a soil-imitating blanket type three-dimensional energy dissipation slope protection for a river side, which comprises a soil-imitating flexible blanket which is paved on a slope surface of the river side and a basement river bed and has the same structure, wherein the soil-imitating flexible blanket consists of a first blanket body and a second blanket body; the upper surface of the first blanket body is uniformly and upwardly provided with a plurality of flexible fiber bodies with upper hooks at the end parts, and the lower surface of the second blanket body is uniformly and downwardly provided with a plurality of flexible fiber bodies with lower hooks at the end parts; stainless steel bar nets are respectively laid on the upper surfaces of the first blanket bodies positioned on the slope and the base riverbed and are anchored with the slope and the base riverbed through anchor rod assemblies; the second blanket body is positioned on the upper surface of the stainless steel mesh and is connected with the upper hooks of the first blanket body in a hanging way through the lower hooks. The invention has the advantages of playing the roles of simulating soil elasticity, simulating water grass dragging and increasing the energy dissipation of the protection engineering, changing the protection of the river side bank slope and the basement river bed from passive to active, and improving the water flow boundary conditions around the protection engineering.
Description
Technical Field
The invention relates to a river side bank protection project, in particular to a soil-imitating blanket type three-dimensional energy dissipation slope protection for a river side bank.
Background
In river treatment engineering, people combine production conditions in different periods, and certain engineering protection measures are needed for oblique flushing, top flushing of the side bank and narrow water flow bundle section, so that the aims of ensuring the safety of the river bank slope and stable water flow transportation are fulfilled. At present, the protection structures can be divided into rigid protection structures and flexible protection structures according to the structural constraint property of the river side protection body. Usually, rigid protective structures are adopted in the smooth section of the river, and flexible protective structures are adopted in the bending deformation section of the river. The rigid protective structure comprises cast-in-place concrete, precast concrete, mould bag concrete, reinforced concrete walls, mortar stone walls and the like; the rigid protective structure has good integrity and strong impact resistance, has obvious effects in restricting water flow, stabilizing bank slopes and beautifying the environment, has the main defects of poor adaptive deformation capability, is influenced by scouring deformation of river bottoms and deformation of soil bases of back slopes, has the damage of fracture, partial collapse, slippage and the like, greatly changes the structural characteristics of river sides and is unfavorable for natural ecological continuation. The flexible protective structure is mainly characterized by having a certain deformation space, and the single protective material has small restriction among the single bodies, and is commonly provided with scattered polished stones, cage stones, willow stones, multi-foot concrete precast blocks and the like; the flexible protective structure has the advantages of strong adaptability to deformation and easy construction; the defect is that the impact resistance is weak, the impact-resistant steel is easy to damage in larger floods, the damage to the impact-resistant steel is mostly partial collapse, entrainment and the like, and the impact-resistant steel is mostly made up by using a cage stone small unit structure in engineering for enhancing the integrity of protection.
Whether the rigid protection structure or the flexible protection structure is adopted, the protection principle is to resist impact or to pick up current off shore by itself, and the purpose of actively changing the flow state and energy of the offshore water flow by simulating the soil property of a natural soil slope is less considered, so that the purpose of stabilizing the protection substrate riverbed and maintaining the overall flow potential is achieved. Therefore, how to simulate the characteristics of natural bank slopes to actively reduce the water energy near the bank, achieve the aim of safety protection and overall natural evolution of upstream and downstream river vigor is a subject of researches by those skilled in the art.
Disclosure of Invention
The invention aims to provide a soil-imitating blanket type three-dimensional energy dissipation slope protection for a river side bank, which realizes the simulation of the characteristics of a natural bank slope to actively reduce the water energy of the nearby bank.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention relates to a soil-imitating blanket type three-dimensional energy dissipation slope protection for a river side, which comprises a soil-imitating flexible blanket which is paved on a slope surface of the river side and a basement river bed and has the same structure, wherein the soil-imitating flexible blanket consists of a first blanket body and a second blanket body; the upper surface of the first blanket body is uniformly and upwardly provided with a plurality of flexible fiber bodies with upper hooks at the end parts, and the lower surface of the second blanket body is uniformly and downwardly provided with a plurality of flexible fiber bodies with lower hooks at the end parts; stainless steel bar nets are respectively paved on the upper surfaces of the first blanket bodies positioned on the slope and the base riverbed, and the stainless steel bar nets are anchored with the slope and the base riverbed through anchor rod assemblies; the second blanket body is positioned on the upper surface of the stainless steel mesh and is connected with the upper hooks of the first blanket body in a hanging way through the lower hooks.
A plurality of water permeable holes are uniformly distributed on the first blanket body and the second blanket body which are positioned on the substrate riverbed respectively.
And a plurality of flexible fiber ropes are uniformly distributed on the upper surface of the second blanket body positioned on the substrate riverbed upwards.
The mesh of the stainless steel bar net is square holes with the size of 30cm multiplied by 30cm, and the diameter of the steel bars of the stainless steel bar net is 6mm; the anchor rod in the anchor rod assembly is screw steel, the length of the anchor rod is more than or equal to 1.5m, the diameter of the anchor rod is 24mm, and the distance between adjacent anchor rods is 30cm.
The invention has the advantages that the soil-imitating flexible blanket arranged on the river side slope and the basement river bed plays the roles of imitating the elasticity of the soil, imitating the dragging of aquatic weeds and increasing the energy dissipation of the protection engineering. The protection of the river side slope and the basement river bed is changed from passive to active, the water flow boundary conditions around the protection engineering are improved, and the scouring deformation of the basement river bed is weakened. Meanwhile, the soil-imitating flexible blanket is convenient to spread and construct, can be replaced, prolongs the service life of engineering, and is quick in construction and low in cost.
Drawings
FIG. 1 is a schematic plan view of the soil-like flexible blanket of the present invention laid on the river side land slope and the foundation bed.
FIG. 2 is a schematic view of the I-I cross-sectional structure of FIG. 1.
FIG. 3 is a schematic view of the II-II cross-sectional structure of FIG. 2.
FIG. 4 is a schematic view of the III-III cross-sectional structure of FIG. 2.
Fig. 5 is a schematic view of the assembled construction of the anchor bar assembly of the present invention.
Fig. 6 is a schematic view of the assembled structure of the stainless steel mesh and anchor rod assembly according to the present invention.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present invention under the premise of the technical solution of the present invention, but the scope of protection of the present invention is not limited to the following embodiments.
As shown in figures 1-6, the river side soil-imitating blanket type three-dimensional energy dissipation slope protection comprises soil-imitating flexible blankets paved on a river side slope surface 1 and a base river bed 2.
As shown in fig. 3, the soil-imitating flexible blanket paved on the slope surface 1 is composed of a first blanket body 3 and a second blanket body 4 of a water permeable structure; the upper surface of the first blanket body 3 is uniformly and upwardly provided with a plurality of flexible fiber bodies 6 with upper hooks 5 at the end parts, and the lower surface of the second blanket body 4 is uniformly and downwardly provided with a plurality of flexible fiber bodies 8 with lower hooks 7 at the end parts; a stainless steel bar net 9 is laid on the upper surface of the first blanket body 3, and the stainless steel bar net 9 is anchored with the slope through an anchor rod assembly; the second blanket body is positioned on the upper surface of the stainless steel mesh and is connected with the upper hooks of the first blanket body in a hanging way through the lower hooks.
As shown in fig. 4, the soil-like flexible blanket laid on the basement river bed 2 is composed of a first blanket body 10 and a second blanket body 11 of a water permeable structure; the upper surface of the first blanket body 10 is uniformly and upwardly provided with a plurality of flexible fiber bodies 13 with upper hooks 12 at the end parts, and the lower surface of the second blanket body 11 is uniformly and downwardly provided with a plurality of flexible fiber bodies 15 with lower hooks 14 at the end parts; a plurality of water permeable holes 16 are correspondingly and uniformly distributed on the first blanket body 10 and the second blanket body 11 respectively, a stainless steel bar net 17 is laid on the upper surface of the first blanket body 10, and the stainless steel bar net 17 is anchored with the substrate riverbed 2 through an anchor rod assembly; the second blanket body 11 is positioned on the upper surface of the stainless steel reinforcement net 17 and is connected with the upper hooks 12 of the first blanket body 10 through the lower hooks 14, and a plurality of flexible fiber ropes 18 are uniformly distributed on the upper surface of the second blanket body 11 upwards, so that the second blanket body has the function of imitating waterweeds.
As shown in FIG. 5, the anchor rod assembly consists of an anchor rod 19, a flat steel buckle plate 20 and a screw cap 21, wherein the anchor rod 19 is made of screw steel, the length of the anchor rod 19 is equal to or greater than 1.5m, the diameter of the anchor rod 19 is 24mm, and the distance between adjacent anchor rods 19 is 30cm.
As shown in FIG. 6, the mesh of the stainless steel mesh was a square hole of 30cm by 30cm, and the steel bar diameter of the stainless steel mesh was 6mm.
The invention is now described in terms of construction of laying a soil-imitating flexible blanket on a basement river bed 2:
firstly, carrying and expanding a first blanket body 10 on a basement riverbed 2 in a reel shaft type, placing a stainless steel bar net 17 on the first blanket body 10 after the first blanket body 10 is paved, driving anchor rods 19, fixing the anchor rods 19 and the stainless steel bar net 17 through a flat steel buckle plate 20 and a screw cap 21, and then placing a second blanket body 11; the second blanket body 11 is placed with care that the width of the slope toe is 0.3m so as to be lapped with the slope soil-imitating flexible blanket. Each first blanket body 10 along the water flow direction is overlapped by not less than 0.1m and connected by upstream stubble pressing and downstream stubble pressing. Because the first blanket body 10 is a permeable body, the permeation buoyancy is small, and the anchor rod 19 is also small in upward pulling force, the anchor rod 19 mainly prevents the flexible blanket imitating the soil body from moving horizontally, and the bending deformation resistance of the flexible blanket is easy to meet the requirements.
Claims (1)
1. The utility model provides a imitative soil blanket formula three-dimensional energy dissipation bank protection of river bank which characterized in that: the soil-imitating flexible blanket is paved on the slope of the river side bank and the basement river bed and has the same structure, and the soil-imitating flexible blanket consists of a first blanket body and a second blanket body; the upper surface of the first blanket body is uniformly and upwardly provided with a plurality of flexible fiber bodies with upper hooks at the end parts, and the lower surface of the second blanket body is uniformly and downwardly provided with a plurality of flexible fiber bodies with lower hooks at the end parts; stainless steel bar nets are respectively paved on the upper surfaces of the first blanket bodies positioned on the slope and the base riverbed, and the stainless steel bar nets are anchored with the slope and the base riverbed through anchor rod assemblies; the second blanket body is positioned on the upper surface of the stainless steel mesh and is hung with the upper hooks of the first blanket body through the lower hooks; a plurality of water permeable holes are uniformly distributed on the first blanket body and the second blanket body which are positioned on the substrate riverbed respectively; a plurality of flexible fiber ropes are uniformly and upwardly arranged on the upper surface of the second blanket body positioned on the substrate riverbed; the mesh of the stainless steel bar net is square holes with the size of 30cm multiplied by 30cm, and the diameter of the steel bars of the stainless steel bar net is 6mm; the anchor rod in the anchor rod assembly is screw steel, the length of the anchor rod is more than or equal to 1.5m, the diameter of the anchor rod is 24mm, and the distance between adjacent anchor rods is 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810237728.4A CN108166451B (en) | 2018-03-22 | 2018-03-22 | Soil-imitating blanket type three-dimensional energy dissipation slope protection for river side bank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810237728.4A CN108166451B (en) | 2018-03-22 | 2018-03-22 | Soil-imitating blanket type three-dimensional energy dissipation slope protection for river side bank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108166451A CN108166451A (en) | 2018-06-15 |
| CN108166451B true CN108166451B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810237728.4A Active CN108166451B (en) | 2018-03-22 | 2018-03-22 | Soil-imitating blanket type three-dimensional energy dissipation slope protection for river side bank |
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| CN (1) | CN108166451B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130272A (en) * | 2019-05-28 | 2019-08-16 | 沙焕焕 | Gu wave resistance/bottom blanket |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07231842A (en) * | 1994-02-22 | 1995-09-05 | Kuraray Co Ltd | Carpet |
| CN202194109U (en) * | 2011-08-02 | 2012-04-18 | 成都酷玩网络科技有限公司 | Novel ecological grass mattress |
| CN205389573U (en) * | 2016-03-11 | 2016-07-27 | 宏祥新材料股份有限公司 | Corrode control afforestation blanket |
| CN205576944U (en) * | 2016-04-21 | 2016-09-14 | 河海大学 | What utilization buryyed that three -dimensional net realize to consolidate energy dissipation adds muscle structure |
| CN106745788A (en) * | 2017-02-23 | 2017-05-31 | 江苏绿岩生态技术股份有限公司 | A kind of river sewage purification and the stero of landslide control |
| CN206693147U (en) * | 2017-03-22 | 2017-12-01 | 中国水利水电科学研究院 | Riverbed vegetation repair system |
-
2018
- 2018-03-22 CN CN201810237728.4A patent/CN108166451B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07231842A (en) * | 1994-02-22 | 1995-09-05 | Kuraray Co Ltd | Carpet |
| CN202194109U (en) * | 2011-08-02 | 2012-04-18 | 成都酷玩网络科技有限公司 | Novel ecological grass mattress |
| CN205389573U (en) * | 2016-03-11 | 2016-07-27 | 宏祥新材料股份有限公司 | Corrode control afforestation blanket |
| CN205576944U (en) * | 2016-04-21 | 2016-09-14 | 河海大学 | What utilization buryyed that three -dimensional net realize to consolidate energy dissipation adds muscle structure |
| CN106745788A (en) * | 2017-02-23 | 2017-05-31 | 江苏绿岩生态技术股份有限公司 | A kind of river sewage purification and the stero of landslide control |
| CN206693147U (en) * | 2017-03-22 | 2017-12-01 | 中国水利水电科学研究院 | Riverbed vegetation repair system |
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| CN108166451A (en) | 2018-06-15 |
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| CB02 | Change of applicant information |
Address after: 450003 No. 109 Jinshui Road, Henan, Zhengzhou Applicant after: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. Address before: 450003 No. 109 Jinshui Road, Henan, Zhengzhou Applicant before: YELLOW RIVER ENGINEERING CONSULTING Co.,Ltd. |
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