CN108316229A - A kind of Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body - Google Patents
A kind of Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body Download PDFInfo
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- CN108316229A CN108316229A CN201810284391.2A CN201810284391A CN108316229A CN 108316229 A CN108316229 A CN 108316229A CN 201810284391 A CN201810284391 A CN 201810284391A CN 108316229 A CN108316229 A CN 108316229A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 136
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- 239000000758 substrate Substances 0.000 claims abstract description 41
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- 230000001413 cellular effect Effects 0.000 claims description 6
- 239000002689 soil Substances 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000006087 Silane Coupling Agent Substances 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000010881 fly ash Substances 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
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- 235000013339 cereals Nutrition 0.000 description 45
- 230000015271 coagulation Effects 0.000 description 4
- 238000005345 coagulation Methods 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
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- 238000011105 stabilization Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000006173 Good's buffer Substances 0.000 description 1
- 240000005979 Hordeum vulgare Species 0.000 description 1
- 235000007340 Hordeum vulgare Nutrition 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B1/00—Equipment or apparatus for, or methods of, general hydraulic engineering, e.g. protection of constructions against ice-strains
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Abstract
The present invention relates to a kind of Eco-hydrological connectivity structures for wetland both sides of the road shallow-layer water body, including gravel gabion collecting gutter, concrete walls, first metalling, the midline position of adjacent two stifled concrete walls is equipped with corrugated steel tube access along the cross section of wetland road on first metalling, the corrugated steel tube access is axially that oblique L-shaped is connected to wetland both sides of the road shallow-layer water body, gravel is laid on the corrugated steel tube access into second metalling contour with concrete walls, second metalling is fixed on the honeycomb steel structural layer on concrete walls top surface equipped with bottom, the honeycomb steel structural layer is equipped with rubber grain concrete layer, the rubber grain concrete layer is equipped with upper subbase, it states upper subbase both sides and is laid with scree formation gravel substrate.The present invention can effective guarantee wetland both sides of the road water body connectivity, while having the function of that wetland ecotourism migrates channel, can ensure the stability of wetlands ecosystems.
Description
Technical field
The present invention relates to ecological environment fields, more particularly to a kind of ecological water for wetland both sides of the road shallow-layer water body
Literary connectivity structure is particularly suitable for the water ecology hydrology connection of wetland park garden road both sides.
Background technology
Wetland waterbird situation is one of most important factor in Wetland Environment, and wetland is between land and water body, thus
Wetlands ecosystems are especially sensitive to the change of water and its motion mode, if external force directly act on wetland insulated stream and
Subsurface flow will hinder Wetland waterbird cycle and connectivity, and then influence the stabilization of wetlands ecosystems.And wetland roadbed
Build has seriously blocked the water-based connection of roadbed both sides wetland shallow-layer, causes plant growth area upstream water level to rise, the level of tail water
It reduces, destroys the original balance of wetland water system, compromise the growth of wetland plants on both sides, while migrating to the region wetland ecotourism
It causes to obstruct, serious negative effect is brought to wetlands ecosystems.
In order to solve the above problem, people mostly use the method for setting culvert or corrugated steel tube to increase surface drainage connection.
But the use of culvert or corrugated steel tube is only capable of providing limited water system access in wide range and biology migrates channel, can not
Complete incidence graph wetlands ecosystems are blocked the ecological nuclear sterile barley brought.And if culvert or corrugated steel tube setting are overstocked,
The stability that can influence roadbed again, is unfavorable for the maintenance of wetland road.
Invention content
The purpose of the present invention is be directed to caused both sides of the road hydrology connectivity and biology after wetland road construction migrate it is logical
The problems such as blocking in road, proposes that knot is developed in a kind of low influence that the Eco-hydrological for wetland both sides of the road shallow-layer water body is connected to
Structure, the structure structure hydrology connectivity layer and wetland ecotourism can migrate access under conditions of ensureing that road foundation is stablized, prevent
Wetland waterbird and ecological connectivity generation after the construction of road largely decline, and ensure the stabilization of wetlands ecosystems.
To achieve the above object, the present invention provides a kind of Eco-hydrological connections for wetland both sides of the road shallow-layer water body
Structure, including it is disposed longitudinally on the gravel gabion collecting gutter of the roadbed slot both sides after dredging, at least two stifled along roadbed slot cross section
The concrete walls of setting, the first metalling being arranged between the gabion collecting gutter and concrete walls, in the arbitrary neighborhood
Two stifled concrete walls between the first metalling upper surface midline position along road cross section be equipped with corrugated steel tube access, it is described
Corrugated steel tube access is axially that oblique L-shaped is connected to wetland both sides of the road shallow-layer water body, the corrugated steel tube access and the first metalling
For upper laying gravel at second metalling contour with concrete walls, second metalling is fixed on concrete equipped with bottom
Honeycomb steel structural layer on wall top face, the honeycomb steel structural layer are equipped with rubber grain concrete layer, and the rubber grain is mixed
Solidifying soil layer, which is equipped with, is laid with upper subbase, and the upper subbase both sides are laid with scree and form gravel substrate.
Preferably, the gravel gabion collecting gutter is equal with wetland link length, width 50cm, the gravel gabion collection
The top surface in ditch is identical as the wetland substrate level of homonymy, and the grain size of gravel in the gravel gabion collecting gutter is 10~15cm.
Preferably, between the concrete walls between be divided into 150~250cm, the thickness of the concrete walls is 30~
The height of 50cm, the concrete walls are higher 50cm than the wetland substrate in wetland road downstream side.
Preferably, first metalling upper surface is contour with wetland original substrate and the gradient is identical；Second metalling
Upper surface and concrete walls upper surface are contour, and upper surface ensures level；Rubble in first metalling, the second metalling
Grain size is 3~5cm.
Preferably, the corrugated steel tube access is wrapped in the second metalling, and position is arranged by adjacent two stifled coagulation
Each section of the first rubble interval midline position that cob wall separates.
Preferably, the corrugated steel tube access by corrugated steel tube obliquely and the transverse wave fastener for connection of water intake end and
At the downstream of the corrugated steel tube access exceeds roadbed slot, and the upstream end nozzle of the corrugated steel tube access is withered higher than wetland
The upstream end nozzle of water level water surface elevation, the corrugated steel tube access is equipped with steel grid double-edged fine-toothed comb.
Preferably, camber, the corrugated steel after the completion of ground residual settlement is axially arranged in the corrugated steel tube access
The transverse wave lengths of steel pipes tube bottom of pipe access is identical as wetland original substrate absolute altitude and the gradient is identical.
Preferably, the honeycomb steel structural layer is the steel framework rack-layer with cellular porosity, the honeycomb steel structural layer
Surface and the carbon steel sheet that bottom surface is 3cm thickness, the honeycomb steel structural layer centre are the honeycomb ceramics knot that multilayer corrugated steel plate is constituted
Structure；The thickness of the honeycomb steel structural layer is 30~50cm, and the hole of the honeycomb steel structural layer is 3~5cm.
Preferably, the thickness of the rubber grain concrete layer is 50~80cm；Institute in the rubber grain concrete layer
It is 2~3cm with rubber grain grain size, and the rubber grain is impregnated through 1% silane coupling agent and is modified.
Preferably, the rubber grain concrete preparation process of the rubber grain concrete layer includes：
According to concrete strength standard, by rubber grain with 15% it is isometric for sand volume incorporation mass ratio for 7:3
The concrete that is mixed to form of cement and flyash in.
Preferably, the ballast grain sizes in the gravel substrate are 5~10cm；The aperture of the steel grid double-edged fine-toothed comb is 10cm.
Another object of the present invention is to provide a kind of Eco-hydrologicals for wetland both sides of the road shallow-layer water body to be connected to knot
The construction method of structure, including the Eco-hydrological connectivity structure is built as follows：
A, it intercepts Flow in Wetland in wetland both sides of the road and drains, lower digging mud to good ground, form roadbed slot, and press
Roadbed laying specification laying bottom roadbed is simultaneously smooth；
B, the interval setting concrete walls above roadbed slot, and the first metalling is laid between adjacent concrete wall,
Each section of the midline position that first metalling is divided by concrete walls buries corrugated steel tube access, and the corrugated steel tube is logical
The corrugated steel tube obliquely and transverse wave steel pipe for routeing water intake end are constituted, the inside and outside tube wall pitching of the corrugated steel tube access
Layer, 0.8~1.2% camber is axially arranged in the corrugated steel tube access, broken in the corrugated steel tube access and first later
Rock layers top is laid with rubble, forms the second metalling, and ensure that second metalling is contour and horizontal with concrete walls；
C, gabion collecting gutter is built in the roadbed slot substrate of lower layer's roadbed both sides, on the upside of the second metalling and concrete walls
It is laid with honeycomb steel structural layer, the honeycomb steel structural layer is fixed on concrete walls, is equipped on the upside of the honeycomb steel structural layer
Rubber grain concrete layer (5), and on the rubber grain concrete layer upper subbase is laid with by construction requirement.
D, gabion collecting gutter, the first metalling, the second metalling, honeycomb steel structural layer, rubber grain concrete layer and
On the outside of upper subbase gravel substrate is formed by the scree that foundation construction specification laying depth is gradually reduced from down to up.
Based on the above-mentioned technical proposal, it is an advantage of the invention that：
The Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body of the present invention can effective guarantee wetland road
The connectivity of both sides water body, while having the function of that wetland ecotourism migrates channel.Steel double-edged fine-toothed comb, rubble gabion and scree can hinder
Plant residue and the silt etc. in wetland water body are blocked, ensures connectivity structure long-time steady operation.Simultaneously honeycomb steel structural layer and
Rubber grain concrete layer has stronger anti-pressure ability and preferable elastic deformation ability, can significantly improve and be laid in wetland
Road stability, ensure road safety.It preferably blocks water in addition, rubber grain concrete layer has compared with general concrete layer
Property, it can prevent the water in water stream channel from moving up destruction road foundation.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is Eco-hydrological connectivity structure situation map；
Fig. 2 is Eco-hydrological connectivity structure Longitudinal cross section schematic；
Fig. 3 is Eco-hydrological connectivity structure cross-sectional view；
Fig. 4 is Eco-hydrological connectivity structure structure on two sides schematic diagram；
Specific implementation mode
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
The present invention provides a kind of Eco-hydrological connectivity structures for wetland both sides of the road shallow-layer water body, such as Fig. 1~Fig. 4
It is shown, a kind of preferred embodiment of the present invention is shown.The present invention adds in the roadbed of wetland road to be joined by the hydrology
It is passage layers and the Eco-hydrological connectivity structure layer that protective layer is constituted, Flow in Wetland and biology is allow more freely to pass through roadbed
Blacked-out areas ensures wetland water body hydrology connectivity as a whole and ecosystem integrity.
Specifically, the Eco-hydrological connectivity structure includes the gravel gabion of the roadbed slot both sides after being disposed longitudinally on dredging
Collecting gutter 2, is filled in the gabion collecting gutter 2 and coagulation at least two stifled concrete walls 6 being arranged along roadbed slot cross section
The first metalling 8 between cob wall 6, the midline position of adjacent two stifled concrete walls 6 is along wetland road on first metalling 8
Corrugated steel tube access 7 is buried in 1 cross section, and the access of the corrugated steel tube access 7 is axially that oblique L-shaped is connected to 1 liang of wetland road
Side shallow-layer water body is laid with gravel on 7 and first metalling 8 of the corrugated steel tube access at contour with concrete walls 13 second
Metalling 9, second metalling 9 are fixed on the honeycomb steel structural layer 4 on 6 top surface of concrete walls, the bee equipped with bottom
Nest steel structural layer 4 is equipped with rubber grain concrete layer 5, and the rubber grain concrete layer 5 is equipped with upper subbase 3, above-mentioned
All structure both sides are laid with scree and form gravel substrate 10.
As shown in Figure 1, determining what needs arranged according to width of subgrade planning within the scope of the proposed wetland Region for setting road
Wetland is divided into wetland upstream region A and wetland downstream area B by wetland range, wetland road 1, in 80~150cm of roadbed both sides
In the range of cleaning underwater mud formed roadbed slot.According to wetland bottom earth formation, determine mud cutting depth until stabilization
Ground layer, to ensure road foundation overall stability.After mud cleaning, as shown in figure 4, longitudinally being set along planning roadbed both sides
Set gravel gabion collecting gutter 2.Preferably, the gravel gabion collecting gutter 2 and 1 equal length of wetland road, width 50cm, institute
The top surface for stating gravel gabion collecting gutter 2 is identical as 11 height of wetland substrate of homonymy, the gravel in the gravel gabion collecting gutter 2
Grain size is 10~15cm.
As shown in Fig. 2, wetland substrate upper edge roadbed slot cross section after the cleaning pours no less than two stifled concrete walls 6,
The quantity of concrete walls 6 determines that the interval between two walls is advisable with 150~250cm according to link length, the concrete walls
6 thickness is 30~50cm, the 11 high 50cm of wetland substrate of the height of the concrete walls 6 than 1 downstream side of wetland road.It is described
After the completion of concrete walls 6 pour, it is laid with the backfilled roadbed supported slot of specification according to road foundation, backfill thickness is by road downstream side wetland
Substrate level determines, ensures at the top of backfill layer than 11 low 30~50cm of downstream side wetland substrate.In gabion collecting gutter 2 and concrete
Rubble to be filled in the region that wall 6 surrounds, and forms the first metalling 8, ballast grain sizes are advisable with 3~5cm, arrange the first metalling 8,
Keep its upper surface and wetland original substrate contour.
As shown in figure 3, the midline position of 8 upper surface of the first metalling between two stifled concrete walls 6 of arbitrary neighborhood
The corrugated steel tube access 7 of a diameter of 40cm is buried along the cross section of wetland road 1.Preferably, the axis of the corrugated steel tube access 7
To setting camber, the tube bottom of the corrugated steel tube access 7 is identical as 11 absolute altitude of wetland substrate after the completion of ground residual settlement,
The gradient is identical as the wetland original substrate gradient.The axial corrugated steel tube access 7 is oblique L-shaped, and the corrugated steel tube access 7 is by entering
The corrugated steel tube obliquely of water end (W.E.) is formed with transverse wave fastener for connection, and the downstream of the corrugated steel tube access 7 exceeds roadbed
Slot, the upstream end nozzle of the corrugated steel tube access 7 are higher than wetland low water level water surface elevation, the corrugated steel tube access 7 it is upper
It swims end pipe mouth and is equipped with steel grid double-edged fine-toothed comb, the aperture of the steel grid double-edged fine-toothed comb is 10cm.After the completion of corrugated steel tube access 7 is embedded, profit
It will be filled and led up to contour with concrete walls 6 with rubble, the second metalling 9 is formed on corrugated steel tube access 7 and the first metalling 8.
Preferably, it sets up cellular steel structure sheaf 4 on first metalling 8 and is fixed in the top surface of concrete walls 6
On.The honeycomb steel structural layer 4 is the steel framework rack-layer with cellular porosity, the surface and bottom surface of the honeycomb steel structural layer 4
For the carbon steel sheet of 3cm thickness, 4 centre of the honeycomb steel structural layer is the honeycomb body structure that multilayer corrugated steel plate is constituted.The bee
The thickness of nest steel structural layer 4 is 30~50cm, and the hole of the honeycomb steel structural layer 4 is 3~5cm.Honeycomb steel structural layer 4 is conducted oneself with dignity
Gently, intensity is high, has good covering rigidity, while its waterproof and anti-seismic performance are good, while ensureing roadbed integral strength,
Access can be provided for flow by honeycomb hole, ensure Eco-hydrological connectivity.
Further, rubber grain concrete layer 5, the rubber grain coagulation are equipped on the honeycomb steel structural layer 4
The thickness of soil layer 5 is advisable with 50~80cm.Continue to be laid with upper layer by subgrade construction specification on the rubber grain concrete layer 5
Roadbed 3.
Preferably, the rubber grain concrete preparation process of the rubber grain concrete layer 5 includes：
According to concrete strength standard by rubber grain with 15% it is isometric for sand volume incorporation mass ratio be 7:3
In the concrete of cement and flyash.Rubber grain grain size used in the rubber grain concrete layer 5 is 2~3cm, and described
Rubber grain is impregnated through 1% silane coupling agent to be modified.The rubber grain concrete prepared with this condition, compression strength can
More than C30 close to C40 grades, flexural strength is slightly below C30 grades.Since rubber grain concrete has waterproof, density
Small, the features such as toughness is high, cracking resistance is good, deformability is strong, mechanical property can be restored, so it has the preferable energy that blocks water
Power can prevent Flow in Wetland from moving up damage upper subbase 3, at the same can mitigate pressure that upper subbase 3 transmits with
Impact force protects understructure.
As shown in figure 3, in above-mentioned all structure both sides laying screes formation gravel substrates 10, in the gravel substrate 10
Ballast grain sizes be 5~10cm, form the road structure of complete wetland road 1.In the present invention, gabion collecting gutter 2, first
Metalling 8, the second metalling 9, corrugated steel tube access 7 and honeycomb steel structural layer 4 collectively form the hydrology connectivity capabilities layer of ground,
The gravel substrate 10 of concrete walls 6, rubber grain concrete layer 5, upper subbase 3 and surrounding in roadbed slot collectively forms attached
Structure.
For the structure of the Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body further illustrated the present invention
And its building mode, it chooses illustrate for certain Wetland Park road to be built below, the width of subgrade on the Wetland Park road is 5m,
Road is forthright, and length 250m, road upstream side substrate is higher than downstream side substrate 10cm concrete structures and construction step is as follows：
1), scene prepares.
Flow in Wetland is intercepted in both sides of the road and is drained, lower digging mud 100cm to good ground, and ground foundation trench is formed；By road
The base laying specification laying bottom roadbed extremely substrate 30cm away from road downstream side wetland is simultaneously smooth.
2) connectivity structure, is built.
Concrete walls 6 are set every 200cm above soil matrix, wall is higher by 50cm than wetland downstream side substrate.Each coagulation
The first metalling 8 is laid between cob wall 6, the 8 upper surface gradient of the first metalling is identical as the wetland original substrate gradient, i.e., upstream side is thick
40cm, downstream side thickness 30cm.Each section of the midline position divided by concrete walls 6 on each first metalling 8 buries ripple
Steel pipe access 7, corrugated steel tube access 7 are made of the corrugated steel tube obliquely that caliber is 40cm and transverse wave steel pipe, the wave
The inside and outside tube wall pitching layer of line steel pipe access 7.The water intake end of corrugated steel tube access 7 is oblique corrugated steel tube, inclined tube center line
Equal with water intake end wetland ordinary water level, water intake end constant aperture is the steel grid double-edged fine-toothed comb of 10cm or so.The corrugated steel tube is logical
0.8% camber of the axial setting in road 7, after the completion of ground residual settlement, the tube bottom of 7 water outlet of corrugated steel tube access and water outlet
Wetland bottom surface absolute altitude keeps identical, and the traversing section steel pipe gradient is identical as the wetland original substrate gradient.Later in the corrugated steel tube
Access 7 and 8 top of the first metalling are laid with rubble, form the second metalling 9, and ensure the second metalling 9 and concrete walls 6 etc.
It is high.
3) accessory structure, is built.
Gabion collecting gutter 2, thickness 50cm, top surface and its homonymy are built in the roadbed slot substrate of lower layer's roadbed both sides
The height of former wetland substrate 11 it is identical, the grain size of gravel in the gabion collecting gutter 2 is 10~15cm.
The honeycomb steel structural layer 4 of 30cm thickness is laid with 6 upside of concrete walls in the second metalling 8, honeycomb steel structural layer 4 is solid
It is scheduled on concrete walls 6, honeycomb hole is advisable with 3~5cm.It is laid with the rubber grain of 50cm thickness in 4 upside of honeycomb steel structural layer
Concrete layer 5, and on rubber grain concrete layer 5 upper subbase 3 is laid with by construction requirement.
Gabion collecting gutter 2, the first metalling 8, the second metalling 9, honeycomb steel structural layer 4,5 and of rubber grain concrete layer
3 outside of upper subbase forms gravel substrate 10 by the scree that foundation construction specification laying depth is gradually reduced from down to up, with
Each layer of roadbed and connectivity structure are protected.
The Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body of the present invention adds in common roadbed
Eco-hydrological connectivity capabilities layer ensures that roadbed has the function of that certain discharge capacity and biology are migrated, each structure concrete function
It is as follows：
Concrete walls are the stable frame to provide the foundation in roadbed, while can be by honeycomb steel structural layer and rubber grain
The pressure that concrete layer is subject to is transmitted downwards, and the safety and stability of honeycomb steel structural layer and rubber grain concrete layer is protected.
First metalling can be connected to the phreatic water and earth's surface of both sides of the road wetland upstream and downstream with the second metalling
Water has the function of hydrology unicom.
The biology that corrugated steel tube access may be constructed both sides of the road wetland upstream and downstream migrates channel, while having flow logical
The function in road.
Honeycomb steel structural layer has the function of to contact the surface water of both sides of the road wetland upstream and downstream, while honeycomb has
Higher anti-pressure ability, can be protected while ensureing wetland subgrade stability the first metalling below, the second metalling and
Corrugated steel tube access structure.
Rubber grain concrete has the characteristics such as preferable elasticity and water preventing ability, water preventing ability compared with normal concrete
It can prevent the water on the downside of roadbed from moving up and being damaged to roadbed, and preferable elasticity can make the layer with good
Buffer capacity ensures that the structure on the downside of it is not damaged.
The concrete operating principle of the Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body of the present invention is as follows：
Wetland upstream water intake end, wetland phreatic water and wetland superficial water flow through underground or gabion filtering enters gabion collection
Ditch simultaneously flows to water outlet end by the first metalling of underground, the second metalling.When wetland upstream water is larger, flow
By there is the honeycomb steel structural layer of the corrugated steel tube access of steel double-edged fine-toothed comb structure and its upper layer to flow to water outlet end.Wetland water simultaneously
Biology also can downstream be migrated by corrugated steel tube access or the cellular porosity on its upper layer.When water reaches water outlet end,
The gravel substrate seepage flow formed by rubble gabion and the scree of rear side enters Downstream Wetland region.And lead to when water is larger
The flow of the honeycomb steel structural layer outflow on corrugated steel tube access and its upper layer is crossed due to water exit end rubble gabion and gravel substrate
Blocking flows into Downstream Wetland region with relatively slow flow velocity.Ensure the company of the Wetland waterbird connection and the ecosystem of wetland both sides of the road
It is logical, while reducing flow and downstream soil matrix is washed away.
The Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body of the present invention can effective guarantee wetland road
The connectivity of both sides water body, while having the function of that wetland ecotourism migrates channel.Steel double-edged fine-toothed comb, rubble gabion and scree can hinder
Plant residue and the silt etc. in wetland water body are blocked, ensures connectivity structure long-time steady operation.Simultaneously honeycomb steel structural layer and
Rubber grain concrete layer has stronger anti-pressure ability and preferable elastic deformation ability, can significantly improve and be laid in wetland
Road stability, ensure road safety.It preferably blocks water in addition, rubber grain concrete layer has compared with normal concrete layer
Property, it can prevent the water in water stream channel from moving up destruction road foundation.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
It can modify to the specific implementation mode of the present invention or equivalent replacement is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body, it is characterised in that：Including longitudinally disposed
The gravel gabion collecting gutter (2) of roadbed slot both sides after dredging, at least two stifled concrete walls being arranged along roadbed slot cross section
(6), the first metalling (8) being filled between the gabion collecting gutter (2) and concrete walls (6), first rubble
The midline position of layer (8) upper adjacent two stifled concrete walls (6) is equipped with corrugated steel tube access (7) along the cross section of wetland road (1),
The access of the corrugated steel tube access (7) is axially that oblique L-shaped is connected to wetland road (1) both sides shallow-layer water body, the corrugated steel tube
It is laid with gravel on access (7) into second metalling (9) contour with concrete walls (13), is set on second metalling (9)
There is bottom to be fixed on the honeycomb steel structural layer (4) on concrete walls (6) top surface, the honeycomb steel structural layer (4) is equipped with rubber
Particle concrete layer (5), the rubber grain concrete layer (5) are equipped with upper subbase (3), upper subbase (3) both sides
It is laid with scree and forms gravel substrate (10).
2. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：The gravel gabion collecting gutter (2) with
Wetland road (1) equal length, width 50cm, the wetland substrate of the top surface and homonymy of the gravel gabion collecting gutter (2)
(11) height is identical, and the grain size of gravel in the gravel gabion collecting gutter (2) is 10~15cm.
3. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：Between between the concrete walls (6)
It is divided into 150~250cm, the thickness of the concrete walls (6) is 30~50cm, and the height of the concrete walls (6) is than wetland road
Wetland substrate (11) the high 50cm in road (1) downstream side.
4. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：The upper table of first metalling (8)
Face and wetland original substrate are contour, and the gradient is identical；Ballast grain sizes in second metalling (9) are 3~5cm.
5. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：The corrugated steel tube access (7) is by entering
The corrugated steel tube obliquely of water end (W.E.) is formed with transverse wave fastener for connection, and the downstream of the corrugated steel tube access (7) exceeds road
The upstream end nozzle of foundation trench, the corrugated steel tube access (7) is higher than wetland low water level water surface elevation, the corrugated steel tube access
(7) upstream end nozzle is equipped with steel grid double-edged fine-toothed comb, and the aperture of the steel grid double-edged fine-toothed comb is 10cm；In the gravel substrate (10)
Ballast grain sizes are 5~10cm.
6. Eco-hydrological connectivity structure according to claim 5, it is characterised in that：The corrugated steel tube access (7) is axial
Camber, the transverse wave lengths of steel pipes tube bottom and wetland of the corrugated steel tube access (7) after the completion of ground residual settlement are set
Original substrate absolute altitude is identical and the gradient is identical.
7. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：The honeycomb steel structural layer (4) is tool
It is the carbon steel sheet of 3cm thickness, the bee to have the steel framework rack-layer of cellular porosity, the surface and bottom surface of the honeycomb steel structural layer (4)
It is the honeycomb body structure that multilayer corrugated steel plate is constituted among nest steel structural layer (4)；The thickness of the honeycomb steel structural layer (4) is
The hole of 30~50cm, the honeycomb steel structural layer (4) are 3~5cm.
8. Eco-hydrological connectivity structure according to claim 1, it is characterised in that：The rubber grain concrete layer (5)
Thickness be 50~80cm.
9. Eco-hydrological connectivity structure according to claim 8, it is characterised in that：The rubber grain concrete layer (5)
Rubber grain concrete preparation process include：
According to concrete strength standard by rubber grain with 15% it is isometric for sand volume incorporation mass ratio be 7:3 cement
With in the concrete of flyash；Rubber grain grain size used is 2~3cm, and the rubber in the rubber grain concrete layer (5)
Glue particle is impregnated through 1% silane coupling agent to be modified.
10. a kind of construction method of Eco-hydrological connectivity structure for wetland both sides of the road shallow-layer water body, it is characterised in that：Packet
Include the Eco-hydrological connectivity structure as follows described in any one of structure the claims 1~9 claim：
A, it intercepts Flow in Wetland in wetland road (1) both sides and drains, lower digging mud to good ground, form roadbed slot, and press
The roadbed laying specification laying bottom roadbed extremely substrate 30cm away from road downstream side wetland is simultaneously smooth；
B, the interval setting concrete walls (6) above roadbed slot, and it is laid with the first metalling between adjacent concrete wall (6)
(8), each section of the midline position divided by concrete walls (6) in first metalling (8) buries corrugated steel tube access
(7), the corrugated steel tube access (7) is made of the corrugated steel tube obliquely of water intake end and transverse wave steel pipe, the corrugated steel
The inside and outside tube wall pitching layer of pipe access (7), 0.8% camber is axially arranged in the corrugated steel tube access (7), later described
Corrugated steel tube access (7) and the first metalling (8) top are laid with rubble, form the second metalling (9), and ensure that described second is broken
Rock layers (9) and concrete walls (6) are contour；
C, gabion collecting gutter (2) is built in the roadbed slot substrate of lower layer's roadbed both sides, in the second metalling (9) and concrete walls
(6) upside is laid with honeycomb steel structural layer (4), and the honeycomb steel structural layer (4) is fixed on concrete walls (6), the cellular steel
Rubber grain concrete layer (5) is equipped on the upside of structure sheaf (4), and by construction on the rubber grain concrete layer (5)
It is required that being laid with upper subbase (3).
D, mixed in gabion collecting gutter (2), the first metalling (8), the second metalling (9), honeycomb steel structural layer (4), rubber grain
The scree being gradually reduced from down to up by foundation construction specification laying depth on the outside of solidifying soil layer (5) and upper subbase (3) is formed
Gravel substrate (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2017114954945 | 2017-12-31 | ||
| CN201711495494 | 2017-12-31 |
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| CN108316229A true CN108316229A (en) | 2018-07-24 |
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