CN1854395A - Underwater groins system for growing various living things - Google Patents
Underwater groins system for growing various living things Download PDFInfo
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- CN1854395A CN1854395A CNA2005100646363A CN200510064636A CN1854395A CN 1854395 A CN1854395 A CN 1854395A CN A2005100646363 A CNA2005100646363 A CN A2005100646363A CN 200510064636 A CN200510064636 A CN 200510064636A CN 1854395 A CN1854395 A CN 1854395A
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- groin
- submerged groin
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Abstract
An under water dam in Y shape with two branch supporting parts link to the bank and main body extrudes into water. A floating structure is fixed to the head of the dam for wave cut and sand condensing. Fine send and alga could drift with water through the floating structure and condense along the bank and the branch supporting parts. The branch supporting parts of multiple dams strengthen the bank.
Description
Technical field the present invention relates to the protection and the reparation on water body banks such as lake, reservoir, especially a kind ofly is used for bank protection and helps the submerged groin system that multiple biology is bred.
Background technology human needs protects the bank slope of water body, in carrying out the bank protection process, pay attention to water channel flood passage, water drainage, purification of water quality, water environment improvement and bio-diversity and improve.Groynes and ground sills be widely used dredging waterway and safeguard building, and its major function is not drawn brush for the protection riverbank is not produced by the direct erosion of incoming flow and destroyed, and traditional purpose is more single, does not consider the structure of bio-diversity.
Summary of the invention the objective of the invention is to construct a kind of submerged groin system, utilize nature hydrodynamic force potential energy to transport silt to the bank, strengthen the alluvial of silt in the predetermined crystallizing field in bank, for the hydrobiological growth in bank with perch a good environment is provided, can effectively improve the water quality in zone, bank.
This invention is that an outstanding bank and subduction are in undersurface structure, make incidence wave produce behaviors such as fragmentation, division, infiltration, reflection or refraction by its shape (the dam crest depth of water, dam width, the gradient, space), decline the incidence wave energy or change its travel direction to subtract, suppress the wave energy that sees through of behind, dam.
Invention is mainly constructed on water body banks such as lake, reservoirs.The plane structure of invention is the Y font, and wherein the first half bifurcated of Y font is close to existing bank band, and the angle between the Y font bifurcated can change, and the latter half of Y font is stretched to water body.Its major axes orientation is basic vertical with the bank or slightly adjust according to main water (flow) direction.The submerged groin outward appearance can be divided into parts such as left support body, right support body, joint portion, main body and head.For strengthening the stability and the capacity of anti-storm of submerged groin, the gradient of main body and head side slope should be more slow, and top width is wide slightly, and a both sides, inside and outside is owing to adjoin with existing bank band, and building the gradient can be steep slightly, and top width is narrow slightly.The head of submerged groin is that the straight wave that facings the wind washes away serious position, so stretch out a platform at the groynes head near current principal direction place, its top width equates with the main part top width approximately.
The submerged groin random riprap is hidden under water.Set up the floating body structure in the head zone of submerged groin system.This structure can make up with bamboo raft, and four jiaos are carried out traction and fixation with earth anchor (steel bar concrete water) or reinforcing bar (hammering in the water-bed hard soil).The major axes orientation of floating body major axes orientation and submerged groin is perpendicular.Adopt submerged groin to add the combination of floating body, can realize the silt classification.Coarse granule silt deposits in the head zone of submerged groin, current and entrained algae, fine sediment and pollutant thereof can flow to the bank from the floating body below, support body and offshore water area deposition at submerged groin, pollutant is purified, thereby realizes the purification function to vast water body.
The base of submerged groin and side slope piece stone pell mell construction.Fill with filled media groynes inside, and this part zone is called the growing area of submerged groin.The lower floor of filled media is planting soil or mudstone compound.The covering layer filler formulation at growing area top is a soil: coarse sand (2mm-5mm): rubble (20mm-80mm) is prepared with 1: 1: 2 ratio; as time passes; the soil and the coarse sand on surface can be washed away by current and wave; the ratio of rubble is improved, and lower floor's planting soil and submerged groin are played a protective role.Between growing area and enrockment area, separate with degradable geosynthetics.
In local stormy waves and the especially big zone of current, in order to increase the steadiness and the storm resisting capacity of side slope block stone layer top, the cylindrical gabion of dress rubble (20mm-80mm) is reinforced in support body, main body and head side slope riprap layer top can add, and it is fixed to adopt the dihedral reinforcing bar to bind round between gabion and the gabion.
High water plants such as growing area plantation reed at submerged groin.The Y word shape of submerged groin is narrowed down by wide to water body from the bank, helps the bank plant and pricks growth deeply to water body.Decide according to the water plant kind of water-level fluctuation situation and plantation throughout the year is different in the undersurface degree of depth at the submerged groin top.
Submerged groin can be built with unequal interval in zone, shallow water bank, constitutes the submerged groin group, thereby impels sedimentation to form character in the bank district, protects and repair original bank band.Submerged groin is by increasing the hydraulic roughness on bank, and the wave that disappears is short to become silted up, and gives other hydrobiological growth and perch to create conditions.The benefit of submerged groin system is that the submerged groin engineering quantity of building is less, protects and stablize by the inductivity engineering to have bank band system now, and cost is lower.In addition, system hinders less to water circulation, and less to eco-environmental impact, adds that the primary structure thing does not surface, and without detriment to the vision view, has guaranteed the beautification of landscape in zone, bank.
The present invention is further described below in conjunction with drawings and Examples for description of drawings.
Fig. 1 is the stereoscopic structural representation of submerged groin.
1. left support bodies among the figure, 2. right support body, 3. joint portion, 4. main body, 5. head, 6. floating body structure.Left side support body and right support body are symmetrically distributed, and the platform of head can be decided according to main water (flow) direction on the left side or the right side of submerged groin major axes orientation.
Fig. 2 is the plane structure schematic diagram of submerged groin.
The growing area of 1. submerged groins among the figure, 2. gabion rest area, 3. enrockment area, 4. floating body structure.
Fig. 3 is the schematic cross section of submerged groin main part.
1. enrockment areas among the figure, the 2. growing area of submerged groin, 3. surface coating, 4. gabion, 5. geosynthetics, 6. emergent aquactic plant.
Also elaborate the present invention in conjunction with the accompanying drawings with example below the specific embodiment.
Embodiment 1:
Among Fig. 1, the face shaping of submerged groin is the Y font, and wherein the first half bifurcated (support body) of Y font is close to the existing reed type wetland of bank band, and angle is 67 ° between support body.Main body is slight curving to main water (flow) direction.Submerged groin main part grade of side slope is elected 1: 3 as.Prop up the inside and outside side owing to adjoin, build the gradient and be respectively 1: 2 and 1: 1.5 with existing reed belt.Submerged groin support body top width is 1m, and length is 8m.Main part top length 15m or 20m, width 1.5m.Head at submerged groin stretches out a platform near current principal direction place, and berm width 2m (Fig. 1, Fig. 2).Bottom and side at submerged groin are respectively the thick block stone layer of 20cm (Fig. 3), rise and reinforce and protective action.In submerged groin growing area plantation emergent aquactic plant reed, coated with the thick rubble of 10cm ( 20mm-50mm) (Fig. 3) scatter and disappear to reduce lower floor's planting soil in the top layer.The difference of the crest level of submerged groin and water surface annual mean elevation is 60cm.Be reed culture medium-planting soil under the rubble of top layer, bed thickness 50cm mainly takes from local reed planting district or other topsoil soils.Take original position soil together with reed as one, be loaded on bamboo basket (or willow basket) (specification 70 * 40 * 45cm
3, wall thickness 1cm), be placed on the block stone layer of bottom.Bamboo basket is positioned at the central authorities in reed planting district, and is long to vertical with the bearing of trend of submerged groin.Tamp with soil or mudstone compound the bamboo basket periphery.Whole soil layer (comprising bamboo basket) outside place mat geosynthetics (Fig. 3) prevents that soil is scattered and disappeared by wave cut.
Embodiment 2:
Identical with embodiment 1, set up bamboo raft (Fig. 2) at the head of submerged groin, be applied to the serious zone of the strong sapping of wind wave action power usually.Every group of bamboo raft width is 2m, and length is 20m, and bamboo raft is 10cm-15cm with the bamboo diameter.The bamboo raft that sets up floats on the water surface, and four jiaos of bamboo rafts carry out traction and fixation with earth anchor (steel bar concrete water) or reinforcing bar (it is dark to hammer into water-bed hard soil 1m).Each earth anchor block specifications is 0.8m * 0.8m * 0.5m, and every reinforcing bar (φ 16mm) average length is 1.2m, and the drag rope diameter is 16mm.
Embodiment 3:
Identical with embodiment 1, in support body, main body and the head side slope riprap layer top of submerged groin add the dress rubble cylindrical gabion reinforce (Fig. 2, Fig. 3).The gabion net is the net cage that the dihedral net (galvanized hexagonal wire mesh) of metal wire rod braiding is made, outward appearance cylindrical (cross section 30cm).Galvanized hexagonal wire mesh size of mesh is 80mm * 100mm, uses No. 12 galvanizing iron wires (line footpath 2.6mm).Require gabion that Di Hegai is arranged, inner 468 stones of loading.In order to prevent that stone spills in the gabion, with polyethylene gabion net, the mesh size does not spill with stone and is advisable at the inner lining of gabion.Single gabion length is 1m, and it is fixed to adopt dihedral reinforcing bar (φ 12mm) to bind round between gabion and the gabion.It is mainly big and wash away serious zone and use at stormy waves to set up gabion.
Claims (5)
1, a kind ofly is used for bank protection and helps the submerged groin system that multiple biology is bred, be mainly used in the protection and the reparation on water body banks such as lake, reservoir.It is characterized in that: outward appearance is the Y font, comprises positions such as left support body, right support body, joint portion, main body and head; Support body is close to existing bank band, and angle can change between support body, and main body is vertical substantially with the bank; System is made up of enrockment area and growing area, separates with degradable geosynthetics between two districts; The base of submerged groin and side slope piece stone pell mell construction, inner growing area is filled with planting medium, emergent aquactic plants such as plantation reed; The random riprap of submerged groin system is hidden under water.
2, set up the floating body structure in the head zone of submerged groin system.This structure can make up with bamboo raft, and four jiaos are carried out traction and fixation with earth anchor (steel bar concrete water) or reinforcing bar (hammering in the water-bed hard soil).The major axes orientation of floating body major axes orientation and submerged groin is perpendicular.Adopt submerged groin to add the combination of floating body, can realize the silt classification.Coarse granule silt deposits in the head zone of submerged groin, current and entrained algae, fine sediment and pollutant thereof can flow to the bank from the floating body below, support body and offshore water area deposition at submerged groin, pollutant is purified, thereby realizes the purification function to vast water body.
3, submerged groin according to claim 1 system; its planting medium feature is that lower floor is planting soil or mudstone compound; the upper strata is a covering layer; its prescription is rubble (20-80mm): soil or coarse sand are with 1: the preparation of 0.5-1 ratio; as time passes; the soil and the coarse sand on surface can be washed away by current and wave, and the ratio of rubble is improved, and lower floor's planting soil and submerged groin are played a protective role.
4, submerged groin according to claim 1 system is characterized in that the gradient that main body and head are built should be more slow in order to strengthen the stability and the wind and wave resistance erosiveness of submerged groin.Prop up the inside and outside side owing to adjoin with existing bank band, building the gradient can be steep slightly.Reinforce and enhancing wind and wave resistance erosiveness for rising, stretch out a platform near current principal direction place at the submerged groin head.
5, according to claim 1 and 2 described submerged groin systems, it is characterized in that and to build the submerged groin group in zone, shallow water bank with unequal interval, form door font or tooth-shape structure in the bank district.By increasing the hydraulic roughness on bank, become silted up thereby the wave that disappears is short, give other hydrobiological growth and perch to create conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100646363A CN100445470C (en) | 2005-04-19 | 2005-04-19 | Underwater groins system for growing various living things |
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| CNB2005100646363A CN100445470C (en) | 2005-04-19 | 2005-04-19 | Underwater groins system for growing various living things |
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| CN1854395A true CN1854395A (en) | 2006-11-01 |
| CN100445470C CN100445470C (en) | 2008-12-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061679A (en) * | 2010-08-16 | 2011-05-18 | 章韵英 | Assemblable ecological river flood bank |
| CN102587319A (en) * | 2012-03-10 | 2012-07-18 | 上海市农业科学院 | Ecological T-shaped submerged dike for river pollution treatment |
| CN104314041A (en) * | 2014-09-28 | 2015-01-28 | 中国科学院南京地理与湖泊研究所 | Lakeside zone ecological improvement technology capable of eliminating waves and promoting sediment deposition |
| CN107585866A (en) * | 2017-05-18 | 2018-01-16 | 中国科学院生态环境研究中心 | A kind of underwater littoral barrier constructed with celluar concrete and interception and the method for controlling algae |
| CN108585211A (en) * | 2018-05-31 | 2018-09-28 | 中国环境科学研究院 | Multistage purification ecology for high stormy waves, low transparency water area disappears unrestrained system |
| CN113293730A (en) * | 2021-04-01 | 2021-08-24 | 中国海洋大学 | Beach sand stabilization regulation and control method and device |
| CN117266090A (en) * | 2023-11-23 | 2023-12-22 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101713178B (en) * | 2009-09-29 | 2011-02-16 | 黄河水利委员会黄河水利科学研究院 | Method for creating three-stage flow passage of meandering riverway in lower Yellow River |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1160792A (en) * | 1996-03-21 | 1997-10-01 | 郑成 | Convex bank deposit-increasing method |
| US20050036839A1 (en) * | 2001-08-31 | 2005-02-17 | Hillird Wallace J. | Porous groin with flotation support |
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2005
- 2005-04-19 CN CNB2005100646363A patent/CN100445470C/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102061679A (en) * | 2010-08-16 | 2011-05-18 | 章韵英 | Assemblable ecological river flood bank |
| CN102587319A (en) * | 2012-03-10 | 2012-07-18 | 上海市农业科学院 | Ecological T-shaped submerged dike for river pollution treatment |
| CN104314041A (en) * | 2014-09-28 | 2015-01-28 | 中国科学院南京地理与湖泊研究所 | Lakeside zone ecological improvement technology capable of eliminating waves and promoting sediment deposition |
| CN107585866A (en) * | 2017-05-18 | 2018-01-16 | 中国科学院生态环境研究中心 | A kind of underwater littoral barrier constructed with celluar concrete and interception and the method for controlling algae |
| CN108585211A (en) * | 2018-05-31 | 2018-09-28 | 中国环境科学研究院 | Multistage purification ecology for high stormy waves, low transparency water area disappears unrestrained system |
| CN108585211B (en) * | 2018-05-31 | 2023-09-15 | 中国环境科学研究院 | Multistage purification ecological wave-eliminating system for high-storm and low-transparency water body area |
| CN113293730A (en) * | 2021-04-01 | 2021-08-24 | 中国海洋大学 | Beach sand stabilization regulation and control method and device |
| CN113293730B (en) * | 2021-04-01 | 2022-07-15 | 中国海洋大学 | Beach sand stabilization regulation and control method and device |
| CN117266090A (en) * | 2023-11-23 | 2023-12-22 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
| CN117266090B (en) * | 2023-11-23 | 2024-02-06 | 上海勘测设计研究院有限公司 | Coastal zone structure with storm prevention and ecological landscape and construction method |
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| CN100445470C (en) | 2008-12-24 |
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