Ecological gulf road based on permeable dike
Technical field
The present invention relates to river renovation technique fields, more specifically to the permeable dike in a kind of ecological gulf road.
Background technique
Ecological gulf road is for river channel ecology and habitat rehabilitation.In river, it is slowly hollow with respect to major trough to build flow velocity for overbank
Ground provides the place of existence and procreation for fish and benthon.
As the conservation measures of fluvial ecosystem, ecological gulf road is an important environmental element.In recent years, due to rivers and creeks
The transformation on linearization(-sation) and riverbank makes the environment of none good existence and procreation of aquatile, it is made to lose rivers and creeks structure
The diversity made develops unbalanced so as to cause ecosystem.Therefore, it is reorganized and outfit in planning in rivers and creeks, expands the ring in its cross section
Border element becomes particularly significant.
To solve the above-mentioned problems, our company proposes a kind of ecological gulf road (notification number is CN 207659172U) and includes
The connecting portion in river and the gulf road of the side outwardly convex formation in the river, the gulf road and the river is equipped with two
A Eco-Island;The part that two Eco-Islands leak out the river water surface is not in contact with each other each other, and two Eco-Islands
The bank for leaking out the part and the river and gulf road of the river water surface is not in contact with each other.Water flow passes through living between two Eco-Islands
Space between Eco-Island and river is flowed into the road of gulf.
For above-mentioned ecological gulf road, water is fed directly in the road of gulf, and the water velocity in the road of gulf is too fast, still unfavorable
In the fish in the road of gulf and dwell bottom biological existence and procreation.
Summary of the invention
The present invention to solve the above-mentioned problems, proposes a kind of ecological gulf road based on permeable dike, solves water flow in the road of gulf
It is too fast, the fish that are unfavorable in the road of gulf and dwell bottom biological existence and procreation the problem of.
In order to achieve the above object, the present invention provides a kind of ecological gulf road based on permeable dike, including river and in institute
State the gulf road that the side outwardly convex in river is formed, the junction setting Eco-Island in the gulf road and the river, the ecology
Permeable dike is set between the upstream side and riverbank on island.
The top of the permeable dike is higher than the normal water line in the river, lower than the flood level mark in the river.
Accommodating chamber is opened up at the top center of the permeable dike downwards, multiple artificial bio-membranes are arranged in the inside of the accommodating chamber
Grid;The side wall of the accommodating chamber is reinforced concrete permeable wall, and be intervally arranged multiple permeable holes on the reinforced concrete permeable wall;The appearance
Receive room top cover set it is biological floating bed;Artificial bio-membrane's grid are hung on the biological floating bed bottom.
Side dam body of the permeable dike close to the river is divided into three layers, from top to bottom respectively small particle filter material layer,
Middle partial size filter material layer and the first big partial size filter material layer;Dam body of the permeable dike close to the side in the gulf road is to be filtered by big partial size
Expect the second largest partial size filter material layer constituted.
Ecology bag is laid on the outside of the dam body of the permeable dike, the ecology bag and the biological floating bed top are aquatic plant
Nitride layer.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the lower section two sides of the permeable dike and the first gabion net cage
Spats is connected, and the bottom of the first gabion net cage spats connects the first rubble-mound foundation, and first rubble-mound foundation is embedded in river
In substratum.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the bottom of the permeable dike is equipped with reinforced concrete antiseepage pedestal,
The reinforced concrete antiseepage pedestal is embedded in the soil layer of river bed.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the riverbank includes setting gradually from the outside to the inside
Rain penetration case, snakelike galvanized wire gabion, boulder shore protection and the second gabion net cage spats.
The bottom of the second gabion net cage spats connects the second rubble pedestal, and the second rubble pedestal is embedded in river bed
In soil layer;The upper side of the second gabion net cage spats, the lower section of the boulder shore protection is arranged in the boulder shore protection
It is laid with the first blotter.
Multiple deal piles are buried at the upper side interval of the boulder shore protection, and the snakelike galvanized wire gabion is arranged in multiple pines
Between timber, is filled out in the snakelike galvanized wire gabion and set rubble.
Rainwater infiltration tanks are arranged in the upper side of the snakelike galvanized wire gabion, and it is broken that the bottom of the rainwater infiltration tanks is laid with second
Stone bed course.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the rainwater infiltration tanks are interlocked by multistage timber and gravel
It is laid with, and is laid with the gravel layer walked for people at the top of the rainwater infiltration tanks.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the top of the snakelike galvanized wire gabion is hygrophyte layer.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the periphery of the Eco-Island is equipped with multiple arranges in around shape
The spud pile of column.
The above-mentioned ecological gulf based on permeable dike, under preferred embodiment, the main body of the Eco-Island be by planting soil accumulation and
At soil horizon, the top kind of the soil horizon is implanted with vegetable layer, and the bottom of the soil horizon is laid with rubble filter layer.
The above-mentioned ecological gulf based on permeable dike under preferred embodiment, is laid between the soil horizon and the rubble filter layer
Permeable nonwoven layer.
The permeable dike Jiang Wandao and river major trough that the present invention is piled up by building stones separate, and pass through control permeable dike top mark
Height adjusts gulf road water level.Flood can increase river flood and regulate and store total amount by the overflow of permeable dike top to gulf road when flood season;Rain
Afterwards, since permeable dike blocks water, it is numerous to provide suitable existence for aquatic animal much smaller than the water flow velocity in river for water flow velocity in the road of gulf
Spread out place.
The reinforced concrete antiseepage pedestal of permeable dike is to prevent water from permeating the damage dam foundation from dam bottom;First gabion net cage spats be by
Wire netting package block stone is made into, and is to prevent the water flow erosion dam foundation, while preventing ecology bag in the drag force of water to protect slope foot
Under the action of glide.Reinforced concrete permeable wall plays a part of to bear upstream waterpower.
(refer to before dam close to the side close to river) before the dam of permeable dike and be divided into four layers, from bottom to top, three first layers are filters
Material, infiltration coefficient can effectively alleviate the silting of dam body from becoming smaller greatly in this way, extend the validity period on dam, are for one layer topmost
Ecology bag, planting plants cover one layer of ecology bag on the upstream face surface on dam;Divide two layers behind the dam of permeable dike, lower layer first
Big partial size filter material layer, covers one layer of ecology bag on the surface of filtrate.
It is the accommodating chamber in dam between twice reinforced concrete permeable wall, water can be full of, be placed with the life for being hung with artificial bio-membrane's grid
State floating bed, biological floating bed upper plantation have the water plant of stronger catharsis to water quality, reinforce ecological permeable dam to the net of water quality
Change effect.
Ecology bag is polypropylene (PP) or polyester fiber (PET) is made of raw material, before being covered on the dam of permeable dike
Rear surface, second is that intercepting biggish suspended matter in water, prevents and treats dam body first is that filtrate is prevented to be lost under the action of the drag force of water
Silting;Third is that playing the role of loaded filter, seepage failure is prevented and treated;When ecology bag silting is serious, when permeable dike loses water permeable ability,
It can be replaced.
Riverbank uses Ecological Disposal, is divided into three sections from the bottom to top, and bottom bank band is boulder shore protection, can prevent current scour river
Bank bottom, while the gap between boulder can provide aquatic animal living space;Floods and droughts interlocks bank band for multistage snakelike galvanized wire
Gabion and stone filling, the planting soil that wadding warp matches between level, and humidogene, emergent aquactic plant are planted, hygrophyte layer is constituted,
Can simultaneously purifying rainwater and runoff rainwater;Pushing up bank band is the gravel layer that multistage timber gravel is constituted, to bank when can prevent flood
Wash away, while pass through gravel layer purify runoff rainwater.
Detailed description of the invention
Fig. 1 is structure top view of the invention;
Fig. 2 is the partial enlarged view in Fig. 1 at e;
Fig. 3 is the partial enlarged view in Fig. 1 at a;
Fig. 4 is the structure top view of permeable dike in the present invention;
Fig. 5 is the B-B cross-sectional view of Fig. 4;
Fig. 6 is the partial schematic diagram in Fig. 5 at b;
Fig. 7 is the A-A cross-sectional view of Fig. 1;
Fig. 8 is the partial enlarged view in Fig. 7 at d;
Fig. 9 is the partial enlarged view in Fig. 7 at c.
In figure, 1, river, 1a, normal water line, 1b, flood level mark, 2, Wan Dao, 3, Eco-Island, 32, soil horizon, 33, vegetation
Layer, 34, rubble filter layer, 35, permeable nonwoven layer, 4, spud pile, 5, permeable dike, 51, accommodating chamber, 51a, artificial bio-membrane's grid,
52, reinforced concrete permeable wall, 52a, permeable hole, 53, ecology bag, 54, water plant layer, 54a, small particle filter material layer, 54b, middle grain
Diameter filter material layer, 55c, the first big partial size filter material layer, 55, biological floating bed, the 56, first gabion net cage spats, the 57, first rubble mound
Plinth, 58, reinforced concrete antiseepage pedestal, 59, the second largest partial size filter material layer, 7, riverbank, 71, rain penetration case, 71a, the second rubble pad
Layer, 71b, gravel layer, 72, snakelike galvanized wire gabion, 72b, hygrophyte layer, 72a, deal pile, 73, boulder shore protection, 73a, the
One blotter, the 74, second gabion net cage spats, the 75, second rubble pedestal.
Specific embodiment
As shown in Figure 1, the present invention is a kind of ecological gulf road based on permeable dike, including river 1 and in the river 1
Eco-Island 3 is arranged in the gulf road 2 that side outwardly convex is formed, the gulf road 2 and the junction in the river 1, the Eco-Island 3
Permeable dike 5 is set between upstream side and riverbank 7.The instruction direction of arrow is directed toward under river 1 from the upstream in river 1 in Fig. 1
Trip.
As shown in figure 5, the top of the permeable dike 5 is higher than the normal water line 1a in the river 1, lower than the river 1
Flood level mark 1b.
As shown in Figure 4, Figure 5, accommodating chamber 51 is opened up at the top center of the permeable dike 5 downwards, the accommodating chamber 51
Multiple artificial bio-membrane's grid 51a are arranged in inside;The side wall of the accommodating chamber 51 is reinforced concrete permeable wall 52, the reinforced concrete permeable wall
Be intervally arranged multiple permeable hole 52a on 52;The top cover of the accommodating chamber 51 sets biological floating bed 55;Artificial bio-membrane's grid 51a
It is hung on biological floating bed 55 bottom.
Side dam body of the permeable dike 5 close to the river 1 is divided into three layers, from top to bottom respectively small particle filter material layer
54a, the middle big partial size filter material layer 54c of partial size filter material layer 54b and first;Dam body of the permeable dike 5 close to the side in the gulf road 2
For the second largest partial size filter material layer 59 being made of big partial size filtrate.
Ecology bag 53, the ecology bag 53 and biological floating bed 55 top are laid on the outside of the dam body of the permeable dike 5
For water plant layer 54.
Ecology bag 53 is polypropylene (PP) or polyester fiber (PET) is two-sided ironing needle punched non-woven fabrics processing made of raw material
It forms, centre folder is filled out improvement soil and is made, and punches in the upper layer geotextiles of ecology bag 53, aborts plant kind to the inside
Son cultivates water plant.Dam front and rear surfaces are covered on, first is that filtrate is prevented to be lost under the action of the drag force of water, two
It is to intercept biggish suspended matter in water, prevents and treats dam body silting;Third is that playing the role of loaded filter, seepage failure is prevented and treated;Work as ecology
Bag silting is serious, when permeable dike loses water permeable ability, can be replaced.
As shown in Figure 5, Figure 6, the lower section two sides of the permeable dike 5 are connected with the first gabion net cage spats 56, and described first
The bottom of gabion net cage spats 56 connects the first rubble-mound foundation 57, and first rubble-mound foundation 57 is embedded in the soil layer of river bed.
The bottom of the permeable dike 5 is equipped with reinforced concrete antiseepage pedestal 58, and the reinforced concrete antiseepage pedestal 58 is embedded in river bed
In soil layer.
The reinforced concrete antiseepage pedestal 58 of permeable dike 5 is to prevent water from permeating the damage dam foundation from dam bottom in the present invention;First gabion
Net cage spats 56 is made by wire netting package block stone, is to prevent the water flow erosion dam foundation, while preventing ecology to protect slope foot
Bag 53 glides under the action of the drag force of water.Reinforced concrete permeable wall 52 plays a part of to bear upstream waterpower.
(refer to before dam close to the side close to river) before the dam of permeable dike 5 and be divided into four layers, from bottom to top, three first layers are filters
Material, infiltration coefficient can effectively alleviate the silting of dam body from becoming smaller greatly in this way, extend the validity period on dam, are for one layer topmost
Ecology bag 53, planting plants cover one layer of ecology bag 53 on the upstream face surface of permeable dike 5;Divide two layers behind the dam of permeable dike,
Lower layer is the first big partial size filter material layer, and one layer of ecology bag 53 is covered on the surface of filtrate.
It is the accommodating chamber 51 in dam between twice reinforced concrete permeable wall 52, water can be full of, be placed with and be hung with artificial bio-membrane's grid
Biological floating bed the 55 of 51a, plantation has the water plant of stronger catharsis to water quality on biological floating bed 55, reinforces ecological permeable dam
To the catharsis of water quality.
As shown in FIG. 1 to 3, the riverbank 7 includes rain penetration case 71, the snakelike lead set gradually from the outside to the inside
Silk gabion 72, boulder shore protection 73 and the second gabion net cage spats 74.
As shown in Fig. 7~Fig. 8, the bottom of the second gabion net cage spats 74 connects the second rubble pedestal 75, and described the
Two rubble pedestals 75 are embedded in the soil layer of river bed;The side of the second gabion net cage spats 74 is arranged in the boulder shore protection 73
The lower section of top, the boulder shore protection 73 is laid with the first blotter 73a.
Multiple deal pile 72a are buried at the upper side interval of the boulder shore protection 73, and the snakelike galvanized wire gabion 72 is arranged
Between multiple deal pile 72a, is filled out in the snakelike galvanized wire gabion 72 and set rubble.
Rainwater infiltration tanks 71 are arranged in the upper side of the snakelike galvanized wire gabion 72, and the bottom of the rainwater infiltration tanks 71 is laid with
Second blotter 71a.
The rainwater infiltration tanks 71 are staggeredly laid with by multistage timber and gravel, and in the rainwater infiltration tanks 71
Top is laid with the gravel layer 71b to walk for people.
As shown in Figure 7, Figure 8, the top of the snakelike galvanized wire gabion 72 is hygrophyte layer 72b.
Riverbank 7 uses Ecological Disposal, is divided into three sections from the bottom to top, and bottom bank band is boulder shore protection 73, can prevent water flow from rushing
Riverbank bottom is brushed, while the gap between boulder can provide aquatic animal living space;Floods and droughts interlocks bank band for multistage snake
Shape galvanized wire gabion 72 and stone filling, the planting soil that wadding warp matches between level, and humidogene, emergent aquactic plant are planted, it constitutes wet
Plant layer, can simultaneously purifying rainwater and runoff rainwater;Pushing up bank band is the gravel layer 71b that multistage timber gravel is constituted, and can be prevented
Bank is washed away when flood, while runoff rainwater is purified by gravel layer.
As shown in Figure 1 and Figure 2, the periphery of the Eco-Island 3 is equipped with multiple spud piles 4 in around shape arrangement, spud pile 4
For reinforcing Eco-Island 3.
As shown in Fig. 7, Fig. 9, the main body of the Eco-Island 3 is soil horizon 32 made of being accumulated as planting soil, the soil
The top kind of earth layer 32 is implanted with vegetable layer 33, and the bottom of the soil horizon 32 is laid with rubble filter layer 34.The soil horizon 32 with
The rubble filter layer 3) between be laid with permeable nonwoven layer 35.
The present invention is separated gulf road 2 and the major trough in river 1 by the permeable dike 5 that building stones are piled up, and is pushed up by control permeable dike 5
Absolute altitude is held, 2 water level of gulf road is adjusted.Flood can increase the flood tune in river 1 by 5 top overflow of permeable dike to gulf road 2 when flood season
Store total amount;After rain, since permeable dike 5 blocks water, water flow velocity is provided much smaller than the water flow velocity in river 1 for aquatic animal in gulf road 2
Place is multiplied in suitable existence.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.