CN216765775U - Ecological weir capable of locally and automatically bursting - Google Patents
Ecological weir capable of locally and automatically bursting Download PDFInfo
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- CN216765775U CN216765775U CN202123340172.8U CN202123340172U CN216765775U CN 216765775 U CN216765775 U CN 216765775U CN 202123340172 U CN202123340172 U CN 202123340172U CN 216765775 U CN216765775 U CN 216765775U
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Abstract
The utility model discloses an ecological weir capable of locally self-bursting, which comprises a left bank water retaining weir section and a right bank water retaining weir section which are built on a riverbed and transverse to a riverway, and a middle soil filling weir section, wherein the left bank water retaining weir section and the right bank water retaining weir section are of a grouted stone or concrete structure, the height of the left bank water retaining weir section and the right bank water retaining weir section is flush with the water surface, and the top of the left bank water retaining weir section and the right bank water retaining weir section is provided with a stone material stating step; middle part banket weir section lower part is for starching stone or concrete structure layer, upper portion is the filling layer, reinforced concrete structure post lower part is inserted and is linked to each other with the bottom basis in starching stone or concrete structure layer, the filling layer is worn out on upper portion, the top is provided with stone material stating step, the top of the starching stone of middle part banket weir section or concrete structure layer is less than about bank manger plate weir section, the top of the filling layer of middle part banket weir section is higher than about bank manger plate weir section top, the upper and lower trip both sides at middle part banket weir section are connected with irregular ecological island respectively, plant the plant in the irregular ecological island scope region. The mode of automatically breaking the weir not only solves the problems of usual water retaining and flood discharge in flood season, but also obviously reduces siltation in front of the weir and reduces investment.
Description
Technical Field
The utility model relates to an ecological weir, in particular to an ecological weir capable of locally self-bursting when encountering large flood.
Background
With the improvement of living standard of people, the ecological civilization idea is deepened into aspects of production, life and the like, and people put forward higher requirements on water system treatment. The water system management not only needs to consider flood control, waterlogging drainage, water quality purification and guarantee of life and property safety of people, but also needs to consider the coordinated development with the nature, meets the requirements of the hydrophilic activity space for people to enjoy leisure, sight and play, and improves the happiness of people.
In order to promote the harmonious development of human and nature and improve the utilization rate of water resources, a barrage is often built in a river system to form a continuous water surface. The existing barrage technology comprises a gravity dam, a movable steel dam gate, a rubber dam and the like. The gravity dam is always the first choice of the traditional barrage because of the reasons of simple design and construction technology, strong adaptability to terrain and geological conditions and the like, but is easy to cause dam siltation and is gradually abandoned by people as a permanent building which influences flood drainage and waterlogging drainage of a river channel; steel dam floodgate, rubber dam etc. can stand the retaining because of its dam body, can fall down the flood, are the weir dam type commonly used in recent years, and this kind of weir dam has reduced the influence to river course flood discharge than traditional gravity dam, but its engineering cost is higher, and later stage operation maintenance cost is higher, manages loaded down with trivial details.
In order to meet the ecological landscape requirements of blocking flood and storing water and solve the problem of sediment accumulation, an ecological barrage which is simple in structure, convenient to operate, capable of improving landscape and meeting the hydrophilic requirements of people is urgently needed to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing an ecological weir capable of locally self-bursting, which adopts partial filling, the filling self-bursting weir section is arranged on a main channel between water retaining weir sections of a left bank and a right bank, and the filling weir section plays a role of retaining water at ordinary times and is dispersed under the water pressure when meeting certain standard flood to form a flood discharge and sand flushing channel.
In order to solve the technical problems, the utility model adopts the technical scheme that: an ecological weir capable of local self-bursting comprises a left bank water retaining weir section and a right bank water retaining weir section which are built on a riverbed and transverse to a riverway, and a middle soil filling weir section, wherein the left bank water retaining weir section and the right bank water retaining weir section are of grouted stones or concrete structures, the height of the left bank water retaining weir section and the right bank water retaining weir section is flush with the water surface, and the top of the left bank water retaining weir section and the right bank water retaining weir section is provided with a stone material fixing step; middle part banket weir section lower part is the stone or concrete structure layer for thick liquid, upper portion is the filling layer, the axis direction next-door neighbour upstream face one side along middle part banket weir section is built and is had one row of vertical reinforced concrete structure post, reinforced concrete structure post lower part is inserted and is linked to each other with the bottom basis in stone or concrete structure layer for thick liquid, the filling layer is worn out on upper portion, the top is provided with stone or a bright stone or a dark stone step, the top of the stone or concrete structure layer of middle part banket weir section is less than about bank manger plate weir section, the top of the filling layer of middle part banket weir section is higher than about bank manger plate weir section top, be connected with ecological island respectively in the upper and lower trip both sides of middle part banket weir section, plant in ecological island scope region.
The net spacing between the reinforced concrete structure columns is 0.4-1.2 m, the filling layer between the columns comprises middle sand gravel, and the side slope filled with the sand gravel is not slowed down at 1: 0.5, covering cohesive soil on the upper and lower sides of the sand gravel, wherein the width of the bottom of the cohesive soil is not less than 0.4m, and the permeability coefficient is not more than 10-5cm/s, the upstream and downstream slopes of the cohesive soil are 1: 0.5-1: 1, the total width of the bottom of the filled soil is not more than the width of the weir crest of the weir section of the filled soil in the middle.
The width of the top of the water retaining weir segment of the left bank and the right bank is not less than 1.2m, the upstream surface is vertical, the downstream surface is sloped to the designed river bottom, and the slope is 1: 1.5-1: and 2, the height difference with the middle filling weir section is not more than 0.5 m.
The height of the middle soil filling weir section is 0.3-0.6 m higher than the normal water surface, and the width of the top is not less than 1.2 m.
The stone material is chiseled with a thickness of 30mm, the width of 0.6m, the length of 1.2m and the interval of not more than 0.5 m.
And a water drain gate is arranged on one side of the left and right bank water retaining weir sections.
The shapes and the areas of the ecological islands are combined randomly as required, the front surface of the ecological island along the water flow direction is protruded at the top end so as to be beneficial to the flow distribution and the diffusion to the two sides, the height of the ecological island is lower than the elevation of the weir crest of the middle soil retaining weir section, and plants planted on the surface have ornamental value.
The ecological weir is a low water retaining weir built on a river channel, the water retaining weir sections of the left bank and the right bank are permanent water retaining weir sections, and the middle soil filling weir section is built on a main trough of the river channel and accounts for 1/3-2/5 of the total weir length.
The utility model has the beneficial effects that: both satisfied the ecological landscape requirement of blocking flood and retaining water, solved the difficult problem of ecological weir silt siltation simultaneously, realized again that high standard flood is from bursting flood discharge and reducing the influence to river course flood discharge, reduced the degree of difficulty of engineering investment and operation management and maintenance. And the stone material stating step and the ecological island play a role in traffic and landscape, and have obvious practicability and economic advantages. The utility model has simple and reasonable structure, strong integrity, one-purpose and multi-purpose and remarkable economic benefit.
Drawings
Fig. 1 is a plan view of an ecological weir of the present invention that is locally self-collapsing.
Fig. 2 is a cross-sectional view of the ecological weir of the present invention which is partially self-collapsing.
Fig. 3 is a longitudinal section of the middle soil filling weir segment of the ecological weir capable of being locally self-collapsed.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", etc. indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The working principle of the ecological weir for intercepting and storing water is the same as that of the prior art, and the prior art can be referred, so that description is not needed, and the ecological weir is different from the prior art in that the ecological weir can automatically flood when flood is encountered in the flood season, and the following detailed description is provided:
as shown in fig. 1-3, the ecological weir capable of local self-bursting comprises a left and a right bank water retaining weir sections 2 and a middle soil filling weir section 3 which are built on a riverbed and transverse to a riverway, wherein the left and the right bank water retaining weir sections 2 are of a stone masonry or concrete structure, the height of the left and the right bank water retaining weir sections is flush with the water surface, and the top of the left and the right bank water retaining weir sections is provided with a stone material stirring step 4; the lower part of the middle filling weir segment 3 is a grouted stone or concrete structure layer, the upper part is a filling layer 8, a row of vertical reinforced concrete structural columns 7 are built next to the upstream face side along the axis direction of the middle filling weir segment 3, the lower parts of the reinforced concrete structural columns 7 are inserted into the grouted stone or concrete structure layer and connected with the bottom foundation, the filling layer is worn out from the upper part, the top is provided with a stone step 4, the top of the grouted stone or concrete structure layer of the middle filling weir segment 3 is lower than the left and right bank water retaining weir segments 2, the top of the filling layer 8 of the middle filling weir segment 3 is higher than the top of the left and right water retaining weir segments 2, the upstream and downstream sides of the middle filling weir segment 3 are respectively connected with ecological islands 6, and plants are planted in the range area of the ecological islands 6.
The 7 net spaces of the reinforced concrete structure columns are 0.4-1.2 m, the filling layer between the columns comprises middle sand gravel, and the side slope filled with the sand gravel is not slowed down at 1: 0.5, covering cohesive soil on the upper and lower sides of the sand gravel, wherein the width of the bottom of the cohesive soil is not less than 0.4m, and the permeability coefficient is not more than 10-5cm/s, the upstream and downstream slopes of the cohesive soil are 1: 0.5-1: 1, the total width of the bottom of the filled soil is not more than the width of the weir crest of the middle filled soil weir segment 3. Left and right sides 2 top widths of bank manger plate weir section are not less than 1.2m, and the up stream face is upright, and the down stream face is put the slope to design river bottom, and the slope is 1: 1.5-1: 2, the height difference with the middle filling weir section 3 is not more than 0.5 m. The height of the middle soil filling weir section 3 is 0.3-0.6 m higher than the normal water surface, and the width of the top is not less than 1.2 m. The stone material stating step 4 adopts a chiseling face white granite with the thickness of 30mm, the width of 0.6m, the length of 1.2m and the interval of not more than 0.5 m. And a water drain gate 5 is arranged on one side of the left and right bank water retaining weir sections 2. 7 the shape and the area of the ecological island 6 are combined randomly according to the requirement, and the water-facing surface is pointed along the water flow directionThe ends are protruded to facilitate the flow diversion and the diffusion of water flow to both sides, the height of the ecological island 6 is slightly lower than the elevation of the weir crest of the middle soil retaining weir segment, and the plants planted on the surface have ornamental value.
The ecological weir is a low water retaining weir built on a river channel, the left and right bank water retaining weir sections 2 are permanent water retaining weir sections, and the middle soil filling weir section 3 is built on a main trough of the river channel and accounts for 1/3-2/5 of the total weir length.
The utility model relates to a self-bursting weir which is transverse to a river bottom and is built on a continuous hard weir base, the water retaining weir sections of the left bank and the right bank are of a traditional hard water retaining structure, the middle soil filling weir section can automatically burst when bearing higher water pressure, the bursting section is provided with hard soil fixing steps to communicate traffic of two banks, the center of a river channel is provided with an ecological island, plants are planted on the surface of the ecological island, and the ecological island can be made into different shapes to meet landscape requirements. The ecological weir can normally block flow (flood) to store water in the non-flood period or in low-standard flood, and discharges water downstream through the water discharge gate.
The filling soil of the middle filling dam section can automatically disperse under the water pressure in the flood season to form a flood discharge channel and a sand washing channel, meanwhile, the flood discharge channel and the sand washing channel have the functions of traffic and landscape, the ecological island is arranged in the center of the river channel, plants are planted on the surface of the ecological island, and the ecological island can be made into different shapes to meet the requirements of ecological landscape. When the self-bursting ecological weir is designed, the functions of flood discharge, ecology, environment, water supply, cultural landscape and the like of a river in which the self-bursting ecological weir is located are comprehensively analyzed, the requirements of flood control standards, river-related relations, silt sedimentation, management and maintenance and the like are fully considered, the breakwater standard of the self-bursting weir section of the ecological weir is determined, the flood standard can be generally considered after 2 years, 5 years, 10 years and 20 years, and the self-bursting ecological weir is selected according to the actual condition of the river.
For example, the ecological weir capable of local self-bursting is adopted, the weir height is 1m, the weir width is 1.5m, the weir length is 24.6m, the water retaining weir section length of the left bank and the right bank is 7.8m, the middle filling weir section length is 9m, the self-bursting area filling layer height is 0.5m, the filling top width is 0.875m, the bottom width is 1.5m, the filling middle part is sand gravel, the upstream side and the downstream side are clay filling, and the upstream side slope is 1: 0.75, the downstream side slope is 1: and 1, arranging a water discharge gate of 0.6m by 0.6m on the water retaining weir section of the right bank. In the non-flood season, the riverway can utilize the ecological weir to normally store water, and the water storage depth is 0.5 m; when the flood standard is less than 5 years and the water depth of the river channel is close to the top elevation of the filling soil in the self-bursting area, the water discharge gate is opened to ensure the normal water storage function of the ecological weir; when the flood standard of the river reaches 5 years, the water discharge gate is kept in an open state, and meanwhile, the self-bursting area filled soil cannot keep self stability due to river water impact and is washed away, so that normal flood discharge of the river is realized.
The above-mentioned embodiments are only for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to carry out the same, and the present invention shall not be limited to the embodiments, i.e. the equivalent changes or modifications made within the spirit of the present invention shall fall within the scope of the present invention.
Claims (8)
1. An ecological weir capable of local self-bursting comprises a left bank water retaining weir section (2) and a right bank water retaining weir section (3) which are built on a riverbed and transverse to a riverway, and a middle soil filling weir section (3), and is characterized in that the left bank water retaining weir section (2) and the right bank water retaining weir section (2) are of a stone masonry or concrete structure, the height of the left bank water retaining weir section and the right bank water retaining weir section is flush with the water surface, and a stone material burdening step (4) is arranged at the top of the left bank water retaining weir section and the right bank water retaining weir section; middle part banket weir section (3) lower part is for starching stone or concrete structure layer, upper portion is filled soil layer (8), the axis direction next-door neighbour upstream face one side along middle part banket weir section (3) is built and is had one row of vertical reinforced concrete structure post (7), reinforced concrete structure post (7) lower part is inserted and is linked to each other with the bottom basis in starching stone or concrete structure layer, the filled soil layer is worn out on upper portion, the top is provided with stone material stating step (4), the top of the starching stone or concrete structure layer of middle part banket weir section (3) is less than about bank manger plate weir section (2), the top of the banket layer (8) of middle part banket weir section (3) is higher than about bank manger plate weir section (2) top, be connected with ecological island (6) respectively in the upper and lower reaches both sides of middle part banket weir section (3), plant in ecological island (6) range region.
2. The ecological weir capable of locally self-collapsing according to claim 1, wherein the net spacing between the reinforced concrete structure columns (7) is 0.4-1.2 m, the inter-column filling layer comprises sand gravel in the middle, and the sand gravel filling side slope is not slowed down by 1: 0.5, coating sand gravel on the two sides of the upper and lower reachesThe width of the bottom of the cohesive soil is not less than 0.4m, and the permeability coefficient is not more than 10-5cm/s, the upstream and downstream slopes of the cohesive soil are 1: 0.5-1: 1, the total width of the bottom of the filled soil is not more than the width of the weir crest of the middle filled soil weir segment (3).
3. The ecological weir capable of locally self-collapsing according to claim 1, characterized in that the width of the top of the water retaining weir segment (2) of the left and right banks is not less than 1.2m, the upstream surface is vertical, the downstream surface is sloped to the designed river bottom, and the slope is 1: 1.5-1: 2, the height difference with the middle filling weir section (3) is not more than 0.5 m.
4. The ecological weir capable of locally self-collapsing according to claim 1, characterized in that the height of the middle soil-filling weir section (3) is 0.3-0.6 m higher than the normal water surface, and the top width is not less than 1.2 m.
5. The ecological weir of claim 1, wherein the stone material is chiseled in a thickness of 30mm, 0.6m wide by 1.2m long, and spaced no more than 0.5m apart, and the ecological weir is characterized in that the stone material is formed by a process (4).
6. The ecological weir capable of locally self-collapsing according to claim 1, characterized in that one side of the water retaining weir segments (2) of the left and right banks is provided with a water discharge gate (5).
7. The ecological weir capable of locally self-collapsing according to claim 1, wherein the ecological island (6) is in any combination of shape and area as required, the water-facing surface in the water flow direction protrudes from the top to facilitate the water flow to be distributed and spread to two sides, the height of the ecological island (6) is lower than the height of the top of the middle retaining weir section, and plants planted on the surface are ornamental.
8. The ecological weir capable of locally self-bursting according to any one of claims 1 to 7, wherein the ecological weir is a low water retaining weir built on a river channel, the water retaining weir segments (2) of the left and right banks are permanent water retaining weir segments, and the middle soil filling weir segment (3) is built on a main channel of the river channel and occupies 1/3 to 2/5 of the total weir length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340172.8U CN216765775U (en) | 2021-12-28 | 2021-12-28 | Ecological weir capable of locally and automatically bursting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123340172.8U CN216765775U (en) | 2021-12-28 | 2021-12-28 | Ecological weir capable of locally and automatically bursting |
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| Publication Number | Publication Date |
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| CN216765775U true CN216765775U (en) | 2022-06-17 |
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| CN202123340172.8U Active CN216765775U (en) | 2021-12-28 | 2021-12-28 | Ecological weir capable of locally and automatically bursting |
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- 2021-12-28 CN CN202123340172.8U patent/CN216765775U/en active Active
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