CN109797704A - A kind of mixed type ecology makes beach engineering - Google Patents
A kind of mixed type ecology makes beach engineering Download PDFInfo
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- CN109797704A CN109797704A CN201910265949.7A CN201910265949A CN109797704A CN 109797704 A CN109797704 A CN 109797704A CN 201910265949 A CN201910265949 A CN 201910265949A CN 109797704 A CN109797704 A CN 109797704A
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Abstract
The invention discloses a kind of mixed type ecologies to make beach engineering, consists of two parts, and a part is channel bar beachhead shoal protection works, and another part is that the front end ecology positioned at shoal protection works upstream makes beach Guide Engineering；It includes multiple scattered throwing block clitter bodies and multiple timbers column that front end ecology, which makes beach Guide Engineering, it timber column and dissipates and throws block clitter body and interlock arranged for interval along water (flow) direction, each timber column are equipped with multiple timbers, and multiple timbers in each timber column are along Transverse to the flow direction arranged for interval；Shoal protection works use ladder stepped construction, are made of ecological fish nest brick code is built, ecological fish nest brick is equipped with the artificial fish nest towards water body.The present invention both can also slow down flow rate of water flow with overcurrent, be conducive to the siltation of silt around the body of beach, make beach effect with good.Can make the velocity field on beach body periphery becomes rich and varied, provides suitable living space for biology, during making beach, can more further enrich the aquatic ecological environment around the body of beach.
Description
Technical field
The present invention relates to one kind to make beach engineering, and in particular to a kind of mixed type ecology makes beach engineering.
Background technique
According to the correlation of beach body and riverbank, beach body can be summarized as three types: point bar, channel bar and the continent beach Tou Di.
Point bar is to depend on a bank, the beach body substantially in the same direction or little the angle of cut with water flow.The essential characteristic of point bar are as follows: beach body is usually located at slow
Area is flowed, straight relax in river is distributed in.Beach body is connected with close, to have semi-detached (there are string ditches) with riverbank.Channel bar is
Relatively independent underwater siltation body.The essential characteristic of channel bar are as follows: be normally at and relax in river, what is had is more stable, and some is not
Stablize.Stablize channel bar and is normally at non-mainstream area, it is short gentle, it is more complete；Unstable channel bar be normally at the variation of big vast low water compared with
Big main stream line fluctuation zone.The continent beach Tou Di is the underwater extension of middle bar continent head.The essential characteristic on the continent beach Tou Di are as follows: be located at
Diffusion region is shunted, end slope is relatively slow, and tail portion is steeper, is in front-low-rear-high shape.Beach body is connected with close, some half points with continent body
From (string ditch), the continent beach Tou Di form is related to the differentiation of two branchs of a river, and in general, which branch of a river the low beachhead portion in continent is biased to, which branch of a river
Just become decline.Making beach is to take certain measure, promotes sediment siltation around the body of beach, and then mould good beach volume morphing.
Silt rush silt is referred to and makes to be transported in the form of bed load and suspended load by boundary condition, the dynamic condition etc. for changing water flow
Dynamic silt is converted to the bed material load stationary in bed surface.For engineering viewpoint, promote silt erosion control refer to by build groynes,
The entities building such as longitudinal dike, or build pile, set up wire netting, the permeable structures such as flexible floating curtain of jettisoninging, and planted on beach face
Water plant is planted, to change the dynamic condition of water flow, sediment movement, makes the reduced velocity flow of water flow or forms reflux, silt is made to exist
Bottom falls silt with aggradation bed surface, to protect the basis of beach face and various hydraulic structures from current scour.
Interior korneforos promotees silt erosion control technical method and is broadly divided into 3 major class: the impermeable water type of entity, the ecotype by the pattern of works
With other novel structural shapes.The impermeable water type of entity, which promotees silt erosion control technology, mainly has dykes and dams (including groynes, longitudinal dike, dam group, to enclose
Weir) and thin plate, application of this kind of technology in China is relatively early and very extensive, and construction experience is mature, and it is obvious to promote silt erosion control effect.
The ecotype promotees silt erosion control technology and refers in seashore or shallow water bottom planting aquatic plants, stops water flow and mud with its flourishing rhizome
Sand, the technology utilize ecological organization's function, water flow are made to slow down naturally, and silt falls silt and stablizes, persistently.In recent years, although in life
State, which promotees to become silted up, to be made in beach and possesses some special knowledge, but the technology that can promote and apply or very limited, as country is to inland river ecological, environmental protective
Demand is more and more, and urgent need develops ecology that is novel and being rapidly and effectively applied to cruiseway and makes beach engineering.
Summary of the invention
The present invention is to solve technical problem present in well-known technique and provide in one kind can be rapidly and effectively applied to
The mixed type ecology in river navigation channel makes beach engineering.
The technical scheme adopted by the present invention to solve the technical problems existing in the known art is that a kind of mixed type ecology
Beach engineering is made, which consists of two parts, and a part is the shoal protection works that channel bar beachhead is arranged in, and another part is positioned at institute
The front end ecology for stating shoal protection works upstream makes beach Guide Engineering；It includes multiple scattered throwing block stones that the front end ecology, which makes beach Guide Engineering,
Heap body and multiple timbers column, timber column and scattered the throwings block clitter body interlock arranged for interval along water (flow) direction, it is each described in
Timber column are equipped with multiple timbers, and multiple timbers in each timber column are along Transverse to the flow direction arranged for interval；It is described
Shoal protection works use ladder stepped construction, are made of ecological fish nest brick code is built, the ecological fish nest brick is equipped with towards water
The artificial fish nest of body.
The diameter of the timber is 50cm~100cm, is highly 100cm~200cm.
The fish nest brick uses precast member for reinforcing bar concrete, and the shape of the fish nest brick uses rectangular parallelepiped structure, described
The length × width × height of fish nest brick shape is 100~150cm × 100~150cm × 100~150cm, and the artificial fish nest is using length
Cube type cavity, the length × width × height of the artificial fish nest are 60~80cm × 50~60cm × 50~60cm, the fish nest brick
Upper lower wall thickness be respectively 25~30cm and 20~30cm, left and right wall thickness is 25~30cm, and rear wall is with a thickness of 40~50cm.
The advantages and positive effects of the present invention are: one) front end ecology makes beach Guide Engineering using discontinuity distribution cloth
It sets, both can also slow down flow rate of water flow with overcurrent, and be conducive to the siltation of silt around the body of beach, make beach effect with good.
Two) using timber, scattered throwing block stone and fish nest brick, so that the velocity field on beach body periphery becomes rich and varied, it is around the body of beach
Water plant, aquatic meiofauna and microorganism provide survive, inhabit, laying eggs, the suitable space of forage, in the process for making beach
In, it can more further enrich the aquatic ecological environment around the body of beach.Therefore the present invention can be rapidly and effectively applied to
Cruiseway.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is ecological fish nest brick structure schematic diagram of the invention；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the side view of Fig. 3.
In figure: 1, timber；2, it dissipates and throws block clitter body；3, shoal protection works；3-1, fish nest brick；3-2, artificial fish nest；4, channel bar.
Specific embodiment
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and cooperate attached drawing
Detailed description are as follows:
Please refer to FIG. 1 to FIG. 4, a kind of mixed type ecology makes beach engineering, which consists of two parts, and a part is setting
In the shoal protection works 3 of 4 beachhead of channel bar, another part is that the front end ecology positioned at 3 upstream of shoal protection works makes beach Guide Engineering.
It includes multiple scattered throwing block clitter bodies 2 and multiple timbers column, the timber column that the front end ecology, which makes beach Guide Engineering,
Interlock arranged for interval with the scattered throwing block clitter body 2 along water (flow) direction, each timber column are equipped with multiple timbers 1, Mei Gesuo
Multiple timbers 1 in timber column are stated along Transverse to the flow direction arranged for interval.
1 number of timber in each timber column should be according to the flow characteristics of 1 region of the specific width in river and timber
Analytical calculation determines.Form the size for dissipating the size foundation channel bar beachhead for the scattered throwing block stone for throwing block clitter body 2, the specific width in river
And the scattered flow characteristics analytical calculation for throwing block stone region determines.Front end ecology is made the column of the timber in the Guide Engineering of beach and is dissipated
The spacing distance thrown between block clitter body 2 makes beach guidance work according to channel bar beach body size, the specific width in river and front end ecology
The flow characteristics analytical calculation of journey region determines.
The shoal protection works 3 use ladder stepped construction, are the ecology made of ecological fish nest brick 3-1 code is built
Fish nest brick 3-1 is equipped with the artificial fish nest 3-2 towards water body.
In the present embodiment, the diameter for recommending the timber 1 is 50cm~100cm, is highly 100cm~200cm.Recommend
The fish nest brick 3-1 uses C30 precast member for reinforcing bar concrete, and the shape of the fish nest brick 3-1 uses rectangular parallelepiped structure, described
The length × width × height of fish nest brick 3-1 shape is 100~150cm × 100~150cm × 100~150cm, the artificial fish nest 3-2
Using cuboid-type cavity, the length × width × height of the artificial fish nest 3-2 is 60~80cm × 50~60cm × 50~60cm, institute
The upper lower wall thickness for stating fish nest brick 3-1 is respectively 25~30cm and 20~30cm, and left and right wall thickness is 25~30cm, rear wall with a thickness of
40~50cm.
Although the preferred embodiment of the present invention is described above in conjunction with attached drawing, the invention is not limited to upper
The specific embodiment stated, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is common
Technical staff under the inspiration of the present invention, in the case where not departing from present inventive concept and scope of the claimed protection, goes back
Many forms can be made, within these are all belonged to the scope of protection of the present invention.
Claims (3)
1. a kind of mixed type ecology makes beach engineering, which is characterized in that the engineering consists of two parts, and a part is setting in channel bar
The shoal protection works of beachhead, another part are that the front end ecology positioned at the shoal protection works upstream makes beach Guide Engineering；
It includes multiple scattered throwing block clitter bodies and multiple timbers column that the front end ecology, which makes beach Guide Engineering, timber column and described
It dissipates and throws block clitter body and interlock arranged for interval along water (flow) direction, each timber column are equipped with multiple timbers, each timber column
In multiple timbers along Transverse to the flow direction arranged for interval；
The shoal protection works use ladder stepped construction, are made of ecological fish nest brick code is built, the ecological fish nest brick is set
There is the artificial fish nest towards water body.
2. mixed type ecology according to claim 1 makes beach engineering, which is characterized in that the diameter of the timber be 50cm~
100cm is highly 100cm~200cm.
3. mixed type ecology according to claim 2 makes beach engineering, which is characterized in that the fish nest brick uses reinforced concrete
Native prefabricated components, the shape of the fish nest brick use rectangular parallelepiped structure, and the length × width × height of the fish nest brick shape is 100~
150cm × 100~150cm × 100~150cm, the artificial fish nest use cuboid-type cavity, and the length of the artificial fish nest ×
Wide × a height of 60~80cm × 50~60cm × 50~60cm, the upper lower wall thickness of the fish nest brick be respectively 25~30cm and 20~
30cm, left and right wall thickness are 25~30cm, and rear wall is with a thickness of 40~50cm.
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| CN201910265949.7A CN109797704A (en) | 2019-04-03 | 2019-04-03 | A kind of mixed type ecology makes beach engineering |
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| CN201910265949.7A CN109797704A (en) | 2019-04-03 | 2019-04-03 | A kind of mixed type ecology makes beach engineering |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111996994A (en) * | 2020-08-31 | 2020-11-27 | 交通运输部天津水运工程科学研究所 | Ecological beach building engineering |
| CN114718007A (en) * | 2022-05-07 | 2022-07-08 | 交通运输部天津水运工程科学研究所 | Ecological beach construction method for low beach |
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| CN114718007A (en) * | 2022-05-07 | 2022-07-08 | 交通运输部天津水运工程科学研究所 | Ecological beach construction method for low beach |
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