CN110306491A - A kind of river channel ecology bank protection construction technique - Google Patents
A kind of river channel ecology bank protection construction technique Download PDFInfo
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- CN110306491A CN110306491A CN201910712075.5A CN201910712075A CN110306491A CN 110306491 A CN110306491 A CN 110306491A CN 201910712075 A CN201910712075 A CN 201910712075A CN 110306491 A CN110306491 A CN 110306491A
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- barricade
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- slope
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
- E02B3/12—Revetment of banks, dams, watercourses, or the like, e.g. the sea-floor
- E02B3/14—Preformed blocks or slabs for forming essentially continuous surfaces; Arrangements thereof
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H17/00—Fencing, e.g. fences, enclosures, corrals
- E04H17/14—Fences constructed of rigid elements, e.g. with additional wire fillings or with posts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Environmental Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Botany (AREA)
- Architecture (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of river channel ecology bank protection construction technique, point mainstream section A, the mainstream section B, the tributary section C, the tributary section D, the tributary section E are constructed.When the mainstream section A is constructed, the first form of construction work uses the form on flush system ecology frame box slope using the short barricade of concrete of layinging of markstone+ecological block slope protection complex form, second of form of construction work is constructed.When the mainstream section B is constructed, the first form of construction work also uses and constructs the short barricade of concrete of layinging of markstone+ecological block slope protection complex form, second of form of construction work is using lattice guest gabion baffling+ecological block slope protection complex form is constructed, the third form of construction work is using the form for constructing second level barricade.When the tributary section C is constructed, using the form for constructing placed rockfill barricade.When the tributary section D is constructed, using constructing vegetation type staged ecology frame barricade+grassed slope complex form.When the tributary section E is constructed, using the form for constructing the short barricade of concrete of layinging of markstone.Present invention ensures that ecological form is varied.
Description
Technical field
The present invention relates to a kind of river channel ecology bank protection construction techniques.
Background technique
In recent years, under the pressure that economic development and population increase, the water consumption of China resident is sharply increased, but due to rain
Dirt shunts indefinite, matched sewage network and builds the reasons such as not perfect, corresponding sewage treatment facility construction lag, a large amount of dirty
Water is discharged into korneforos, causes water ecological setting unbalance, and environmental problem is prominent.Therefore improving quality of water environment is one urgent and difficult
Huge task.
River regulation method is mainly ecological revetment.But there are many ecological revetment factor to be considered, such as:
(1) under conditions of land used allows, in conjunction with riverbank landform, upright hard is not done on energy gentle slope gentle slope as far as possible in principle
Barricade；
(2) adaptation to local conditions, take into account ecology, for animals and plants provide look for food, inhabit, laying eggs, sanctuary；
(3) the water level feature for combining specific section, plan as a whole environmental landscape, project cost, execution conditions, stormy waves characteristic etc. because
Element；
(4) principle combined with city, small towns overall planning should be followed, in conjunction with overall planning, carries out local embankment
In conjunction with arrangement.
To sum up, using the structure type coordinated with natural landscape around, and under the premise of meeting engineering safety, it is ensured that raw
Varied state form is always the problem of insider purports to research.
Summary of the invention
A kind of river channel ecology bank protection construction technique is provided it is an object of the invention to overcome the deficiencies of existing technologies, it is adopted
With the structure type coordinated with natural landscape around, under the premise of meeting engineering safety, it is ensured that ecological form is varied.
The object of the present invention is achieved like this: a kind of river channel ecology bank protection construction technique, divides the mainstream section A, the mainstream river B
Section, the tributary section C, the tributary section D, the tributary section E are constructed；
When carrying out the construction of the section mainstream A, using two kinds of forms of construction work, the first form of construction work uses and constructs the short gear of concrete of layinging of markstone
Wall+ecological block slope protection complex form, second of form of construction work use the form on flush system ecology frame box slope；
When construct the short barricade of concrete of layinging of markstone, short retaining wall foundation is first built using C20 Cast-in-place concrete, then on short retaining wall foundation
It is laying of markstone using C20 concrete and builds parapet body；Short retaining wall foundation buried depth 0.5m, the front setting toe of wall and key-wall of short retaining wall foundation；It is short
The gradient of the upstream face of wall is 1:0.3, and the gradient of back side is 1:0.1；The surface layer of parapet body uses M10 mortar masonry block
Acute noodles stone coping is arranged in stone, the top surface of parapet body: it is 0.2m that width together, which is arranged, every 15m with short retaining wall foundation in parapet body
Expansion joint, and use bituminous grout joint filling；A piece drainpipe, one layer of geotechnique of every drainpipe outsourcing are set every 2m in parapet body
Cloth, the water outlet distance basis 0.75m of drainpipe；
When carrying out ecological block slope protection, river two sides are first built to the slope surface for being 1:1.5 at the gradient, then on slope surface upper berth
If one layer of geotextiles, repave and build ecological block, the then filling planting soil in the ecological hole of ecological block, and Turf Culture, most
Beared down on one afterwards on the top of slope protection using curb；
When carrying out flush system ecology frame box slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then in slope surface
It is successively laid with one layer of geotextiles and one layer of rubble, repaves and builds flush system ecology frame；In every piece of flush system ecology frame from bottom to top according to
Secondary filling rubble and planting soil sow grass seed mix in planting soil；The spats of slope protection uses C20 Cast-in-place concrete, spats buried depth 1m, shield
The expansion joint that one of width is 0.2m is arranged every 15m in foot, and uses bituminous grout joint filling；Curb pressure is used on the top of slope protection
Top；
When carrying out the construction of the section mainstream B, using three kinds of forms of construction work, the first form of construction work is also short using concrete of layinging of markstone is constructed
Barricade+ecological block slope protection complex form, second of form of construction work, which uses, constructs lattice guest gabion baffling+ecological block slope protection
Complex form, the third form of construction work is using the form for constructing second level barricade；
When carrying out constructing lattice guest's gabion baffling, the basis of barricade is first built using C20 Cast-in-place concrete, then on the top surface on basis
Construct lattice guest's gabion baffling；Embedded depth of foundation 0.5m, basic front setting toe of wall and key-wall；Lattice guest gabion baffling is by lower layer lattice guest
Gabion and upper layer Ge Bin gabion are constituted；The width of lower layer's lattice guest's gabion is 1.67 times of the width of upper layer Ge Bin gabion, under
Layer lattice guest gabion is identical with the aperture of upper layer Ge Bin gabion；The partial size of filling is in lower layer's lattice guest gabion and upper layer Ge Bin gabion
The block stone in 1.5~2 times of apertures, block stone of the exposed surface side using partial size not less than 2 times of apertures are put；Using the plating wrapped up by PVC
Zinc steel wire is integral by lower layer's lattice guest gabion and the binding of upper layer Ge Bin gabion；At the back side of lattice guest's gabion baffling, one layer of geotechnique is set
Cloth；One layer of planting soil is covered in the top surface of lattice guest's gabion baffling, climbs rattan for planting；
When carrying out constructing second level barricade, first order retaining wall foundation is first built using C20 Cast-in-place concrete, then in first order barricade base
It is laying of markstone on plinth using C20 concrete and builds first order barricade body；First order retaining wall foundation buried depth 0.5m, the front of first order retaining wall foundation
Toe of wall and key-wall are set；The gradient of the upstream face of first order barricade body is 1:0.3, and the gradient of back side is 1:0.1；First order gear
The surface layer of wall uses M10 mortar masonry block stone, and C20 concrete coping, first order barricade body is arranged in the top surface of first order barricade body
The expansion joint that width together is 0.2m is set every 15m with first order retaining wall foundation, and uses bituminous grout joint filling；First order barricade
A piece drainpipe, one layer of geotextiles of each drainpipe outsourcing, the water outlet distance basis of drainpipe are set every 2m in vivo
0.75m；
Second level barricade is located at the front end behind 2m of the coping of first order barricade；First the is built using C20 Cast-in-place concrete
Second level retaining wall foundation, then barricade body in the second level is built using placed rockfill on the retaining wall foundation of the second level；Second level retaining wall foundation
Toe of wall is arranged in the front of buried depth 0.5m, second level retaining wall foundation；Second level barricade body uses placed rockfill, second level barricade body
The gradient of upstream face is 1:0.3, and the gradient of back side is 1:0.1；The top surface setting C20 concrete coping of second level barricade body: the
The expansion joint that second level barricade body and second level retaining wall foundation are 0.2m every 15m setting together width, and use bituminous grout joint filling；
One layer of geotextiles are also arranged at the back side of second level barricade body；Imitation wood shield is also set up on the top surface of the coping of second level barricade body
Column；
When carrying out the construction of the section tributary C, using the form for constructing placed rockfill barricade, wall is first built using C20 Cast-in-place concrete
Body basis, then wall is built using placed rockfill on the basis of wall；Wall embedded depth of foundation 0.5m, the front setting on wall basis
Toe of wall and key-wall；The gradient of the upstream batter of wall is 1:0.3, and the gradient of downstream slope is 1:0.1；C20 concrete is arranged in the top surface of wall
Coping: the expansion joint that width together is 0.2m is arranged every 15m with wall basis in wall, and uses bituminous grout joint filling；Wall
The back side also arrange one layer of geotextiles；Imitation wood guardrail is also set up on the top surface of the coping of wall；
When carrying out the construction of the section tributary D, using constructing vegetation type staged ecology frame barricade+grassed slope complex
Formula；
When carrying out constructing vegetation type staged ecology frame barricade, retaining wall foundation is first built using C20 Cast-in-place concrete, then in barricade
On the basis of barricade body constructed using staged ecology frame；Retaining wall foundation buried depth 0.75m, the front setting toe of wall and tooth of retaining wall foundation
Wall；The gradient of the upstream face of barricade body is 1:0.3, and the gradient of back side is 1:0.3；In each staged ecology frame from bottom to top
It is sequentially filled block stone and planting soil, plants emergent aquactic plant in planting soil；The behind of barricade body is successively laid with one layer of rubble and one layer
Geotextiles；
When carrying out grassed slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then are laid with plantation in slope surface
Soil, and Turf Culture；
When carrying out the construction of the section tributary E, using the form for constructing the short barricade of concrete of layinging of markstone.
Above-mentioned river channel ecology bank protection construction technique, wherein when carrying out the ecological block slope protection, the ecological block is
Prefabricated reinforced concrete structure and strength grade are not less than C25；Layer-by-layer laid dry is used when ecological block making, lowest level ecological block
Half and coping pour together, and the half and curb of top layer's ecological block pour together；Adjacent ecological block connects
When connecing, the raised line of one piece of ecological block is caught in the groove of adjacent ecological block.
Above-mentioned river channel ecology bank protection construction technique, wherein when carrying out the construction of the river mainstream A, the flush system ecology frame
For prefabricated reinforced concrete structure and strength grade is not less than C30, is connected between each piece of flush system ecology frame by being located at the screw rod in corner
It connects.
Above-mentioned river channel ecology bank protection construction technique, wherein when carrying out the construction of the river tributary D, the staged ecology frame
For prefabricated reinforced concrete structure and strength grade is not less than C30；The block stone filled in each staged ecology frame is 150~200mm
The two sides of the cobble of partial size, every piece of staged ecology frame open up bolt connecting hole, keep adjacent staged ecology frame logical
Cross screw rod connection.
River channel ecology bank protection construction technique of the invention has the following characteristics that the base for different river flow velocities, sloping bank
The requirement of matter and landscape uses different types of shore protection mode, has carried out subsection harnessing, not only reduces cost and reduction pair
The influence of environment makes full use of the original river network in place, mountain torrents channel, swag, wetland etc. to gain a thorough understanding of through mastery of all relevant material, improves Flood Control in Certain Area
Drainage system enriches bio-diversity, plays wetland and conserves purification function, mould good habitat space, constructs Urban Storm Flood corridor
Road plays river and regulates and stores the effect of rain flood, embodies and the ecological replacement of Hong Weiyou.A home from home is provided for resident living simultaneously,
Improve Surrounding Settlements image, promotes the sustainable development of river two sides ecological environment.
Detailed description of the invention
Fig. 1 is to carry out using when the construction of the section mainstream A in river channel ecology bank protection construction technique of the invention constructing concrete of layinging of markstone
The cross-section diagram of short barricade+ecological block slope protection complex form；
Fig. 2 is the laying schematic diagram of ecological block；
Fig. 3 is when carrying out the construction of the section mainstream A in river channel ecology bank protection construction technique of the invention using flush system ecology
The cross-section diagram of the form on frame box slope；
Fig. 4 is the splicing schematic diagram of flush system ecology frame；
Fig. 5 is to carry out using when the construction of the section mainstream B in river channel ecology bank protection construction technique of the invention constructing lattice
The cross-section diagram of guest's gabion baffling+ecological block slope protection complex form；
Fig. 6 is to carry out using when the construction of the section mainstream B in river channel ecology bank protection construction technique of the invention constructing second level gear
The cross-section diagram of the form of wall；
Fig. 7 is to carry out using when the construction of the section tributary C in river channel ecology bank protection construction technique of the invention constructing laid dry block
The cross-section diagram of the form of stone barricade；
Fig. 8 is to carry out using when the construction of the section tributary D in river channel ecology bank protection construction technique of the invention constructing vegetation type
The cross-section diagram of staged ecology frame barricade+grassed slope complex form；
Fig. 9 is the structural schematic diagram of staged ecology frame；
Figure 10 is to carry out using when the construction of the section tributary E in river channel ecology bank protection construction technique of the invention constructing concrete of layinging of markstone
The cross-section diagram of the form of short barricade.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
The river that river channel ecology bank protection construction technique of the invention is related to includes the section A of upstream and the mainstream river B in downstream
Section, there is the section tributary C, the tributary section D and the tributary section E from top to bottom on the section A of mainstream.
River channel ecology bank protection construction technique of the invention divides the mainstream section A, the mainstream section B, the tributary section C, the tributary river D
Section, the tributary section E are constructed.
When carrying out the construction of the section mainstream A, using two kinds of forms of construction work, the first form of construction work uses and constructs the short gear of concrete of layinging of markstone
Wall+ecological block slope protection complex form, second of form of construction work use the form on flush system ecology frame box slope；
When construct the short barricade of concrete of layinging of markstone, short retaining wall foundation 10 is first built using C20 Cast-in-place concrete, then in short retaining wall foundation
It is laying of markstone on 10 using C20 concrete and builds parapet body 11；Width is arranged in the front of short 10 buried depth 0.5m of retaining wall foundation, short retaining wall foundation 10
The key-wall that toe of wall and width for 0.5m are 0.5m；The top width of parapet body 11 is 0.7m, and the gradient of upstream face is 1:0.3, backwater
The gradient in face is 1:0.1；The M10 mortar masonry block stone that the surface layer of parapet body 11 uses with a thickness of 0.25m, the top surface of parapet body 11
The acute noodles stone coping 12 with a thickness of 0.2m is arranged: parapet body 11 is arranged width together every 15m with short retaining wall foundation 10 and is
The expansion joint of 0.2m, and use bituminous grout joint filling；Every outside a 2m piece drainpipe 13 of setting, every drainpipe 13 in parapet body 11
One layer of geotextiles are wrapped, the water outlet of drainpipe 13 is 0.75m apart from short retaining wall foundation 10.
When carrying out ecological block slope protection, the slope surface for being 1:1.5 at the gradient is first built into river two sides with backfill, is then existed
One layer of 400g/m is laid in slope surface2Geotextiles 14 are used as loaded filter, and the lap of splice of geotextiles 14 is not less than 300mm, then making
Ecological block 16, the then filling planting soil 15 in the ecological hole 160 of ecological block 16, and Turf Culture, finally in slope protection
Top bears down on one 17 using curb, thickness × width=0.2m × 0.35m of curb 17 (see Fig. 1)；Ecological block 16 is pre-
Reinforced concrete structure processed and strength grade are not less than C25；Layer-by-layer laid dry is used when 16 making of ecological block, lowest level ecological block
Half and coping pour together, and the half and curb of top layer's ecological block pour together；Adjacent ecological block connects
When connecing, the raised line 161 of one piece of ecological block 16 is caught in the groove 162 of adjacent ecological block (see Fig. 2).
When carrying out flush system ecology frame box slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then in slope surface
Successively it is laid with one layer of 400g/m2Geotextiles 21 and a layer thickness be 200mm rubble 22 be used as loaded filter, geotextiles 21 take
Spreading degree is not less than 300mm, repaves and builds flush system ecology frame 23 (see Fig. 3)；Flush system ecology frame 23 with a thickness of 0.3m, every piece
The rubble with a thickness of 100mm and the planting soil with a thickness of 200mm, planting soil are sequentially filled in flush system ecology frame 23 from bottom to top
Middle sowing grass seed mix；The spats 20 of slope protection uses C20 Cast-in-place concrete, 20 buried depth 1m of spats, and a road width is arranged every 15m in spats 20
Degree is the expansion joint of 0.2m, and uses bituminous grout joint filling；Beared down on one on the top of slope protection using curb 24, the thickness of curb 24
× width=0.2m × 0.35m.Flush system ecology frame 23 is reinforced concrete structure, and strength grade is not less than C30, and each piece of flush system is raw
(see Fig. 4) is connected by being located at the screw rod 230 in corner between state frame 23.
When carrying out the construction of the section mainstream B, using three kinds of forms of construction work, the first form of construction work is also short using concrete of layinging of markstone is constructed
Barricade+ecological block slope protection complex form, second of form of construction work, which uses, constructs lattice guest gabion baffling+ecological block slope protection
Complex form, the third form of construction work is using the form for constructing second level barricade；
When carrying out constructing lattice guest's gabion baffling, the basis 30 of barricade, then the top on basis 30 are first built using C20 Cast-in-place concrete
Lattice guest gabion baffling 31 is constructed on face；30 buried depth 0.5m of basis, the toe of wall and width that the front setting width on basis 30 is 0.5m
For the key-wall of 0.5m；Lattice guest gabion baffling 31 is placed on the top surface on basis 30；Lattice guest gabion baffling 31 is by being placed on basis 30
Top surface on lower layer's lattice guest gabion 311 and be placed on lower layer's lattice guest gabion 311 top surface rear portion 312 structure of upper layer Ge Bin gabion
At；Length × width × height=4m × 1.25m × 0.75m of lower layer's lattice guest gabion 311；The length of upper layer Ge Bin gabion 312 × wide ×
The aperture of height=4m × 0.75m × 0.75m, lower layer's lattice guest gabion 311 and upper layer Ge Bin gabion 312 is 10cm × 12cm；Make
Aquatic animal can penetrate in gabion；The partial size filled in lower layer's lattice guest gabion 311 and upper layer Ge Bin gabion 312 is 1.5~2 times
The block stone in aperture, block stone of the exposed surface side using partial size not less than 2 times of apertures are put；It will using the zinc-coated wire wrapped up by PVC
Lower layer's lattice guest gabion 311 and upper layer Ge Bin gabion 312 bind integral；It is arranged one layer at the back side of lattice guest gabion baffling 31
400g/m2Geotextiles 32 are used as anti-filter, and the lap of splice of geotextiles 32 is not less than 300mm；In the top surface of lattice guest gabion baffling 31
The planting soil 33 for covering one layer of 10cm thickness climbs rattan for planting.
Lattice guest's gabion baffling erosion resistibility is strong, and voidage is higher, has good permeability and preferable ecological.
When carrying out ecological block slope protection, river two sides are first built to the slope surface for being 1:1.5 at the gradient, then on slope surface upper berth
If one layer of 400g/m2Geotextiles 34, as loaded filter, the lap of splice of geotextiles 34 is not less than 300mm, repaves and builds ecological block
36；Filling planting soil in the hole of ecological block 36, and Turf Culture；Beared down on one on the top of slope protection using curb 37, curb
The thickness of stone 37 × width=0.2m × 0.35m (see Fig. 5).
When carrying out constructing second level barricade, first order retaining wall foundation 40a is first built using C20 Cast-in-place concrete, then keep off in the first order
It is laying of markstone on foundation of wall 40a using C20 concrete and builds first order barricade body 41a；First order retaining wall foundation 40a buried depth 0.5m, the first order
The key-wall that the toe of wall and width that the front setting width of retaining wall foundation 40a is 0.5m are 0.5m；The height of first order barricade body 41a
For 1.5m, top width 0.7m, the gradient of upstream face is 1:0.3, and the gradient of back side is 1:0.1；The face of first order barricade body 41a
For layer using the M10 mortar masonry block stone with a thickness of 0.25m, the C20 concrete with a thickness of 0.2m is arranged in the top surface of first order barricade body 41a
Coping 42a: first order barricade body 41a is arranged width stretching for 0.2m together every 15m with first order retaining wall foundation 40a
Seam, and use bituminous grout joint filling；A piece drainpipe 43, every 43 outsourcing of drainpipe are set every 2m in first order barricade body 41a
One layer of geotextiles, the water outlet of drainpipe 43 are 0.75m apart from first order retaining wall foundation 40a.
Second level barricade is located at the front end behind 2m of the coping of first order barricade, first builds the using C20 Cast-in-place concrete
Second level retaining wall foundation 40b, then second level barricade body 41b is built using placed rockfill on the retaining wall foundation 40b of the second level；The second level
The toe of wall that the front setting width of retaining wall foundation 40b buried depth 0.5m, second level retaining wall foundation 40b are 0.3m；Second level barricade body
The top width of 41b is 0.7m, and the gradient of upstream face is 1:0.3, and the gradient of back side is 1:0.1；The top surface of second level barricade body 41b
It is arranged and is arranged with second level retaining wall foundation 40b every 15m with a thickness of C20 concrete coping 42b: second level barricade body 41b of 0.2m
The expansion joint that one of width is 0.2m, and use bituminous grout joint filling；One layer of geotextiles are also arranged at the back side of second level barricade body 41b
44；Also set up imitation wood guardrail 45 on the top surface of the coping 42b of second level barricade body 41b (see Fig. 6).
When carrying out the construction of the section tributary C, using the form for constructing placed rockfill barricade, wall is first built using C20 Cast-in-place concrete
Body basis 50, then wall 51 is built using placed rockfill on wall basis 50；50 buried depth 0.5m of wall basis, wall basis 50
Front setting width be 0.5m toe of wall and width be 0.5m key-wall；The top width of wall 51 is 0.7m, the gradient of upstream face
For 1:0.3, the gradient of back side is 1:0.1；Wall 51 top surface setting with a thickness of 0.2m C20 concrete coping: wall 51 with
The expansion joint that one of width is 0.2m is arranged every 15m in wall basis 50, and uses bituminous grout joint filling；The back side of wall 51 also cloth
Set one layer of geotextiles 53；Imitation wood guardrail 54 is also set up on the top surface of the coping 52 of wall 51 (see Fig. 7).
When carrying out the construction of the section tributary D, using constructing vegetation type staged ecology frame barricade+grassed slope complex
Formula；
When carrying out constructing vegetation type staged ecology frame barricade, retaining wall foundation 60 is first built using C20 Cast-in-place concrete, then keeping off
Barricade body 61 is built using using staged ecology frame structure 62 in foundation of wall 60；60 buried depth 0.75m of retaining wall foundation, retaining wall foundation 60
The key-wall that the toe of wall that width is 0.5m and width are 0.5m is arranged in front；The height of barricade body 61 is no more than 2m, barricade body 61
The gradient of upstream face is 1:0.3, and the gradient of back side is 1:0.3；It is sequentially filled 0.3m from bottom to top in staged ecology frame 62
The planting soil 65 of thick block stone and 0.2m thickness plants emergent aquactic plant in planting soil；The behind of barricade body 61 is successively laid with a thickness
Degree is the rubble 64 and one layer of 400g/m of 300mm2Geotextiles 63 are used as loaded filter, and the lap of splice of geotextiles 63 is not less than
300mm (see Fig. 8).Staged ecology frame 62 is prefabricated reinforced concrete structure and strength grade is not less than C30, each staged ecology
The block stone filled in frame 62 is the cobble of 150~200mm partial size, and the two sides of every piece of staged ecology frame 62 open up bolt
Connecting hole 620 (see Fig. 9) connects adjacent staged ecology frame 62 by screw rod.
Vegetation type staged ecology frame barricade good, good permeability with structural integrity, impact resistance is strong, and plant can
It is grown in ecological frame, for green percentage up to 25% or more, ecoscape effect is preferable, and has easy for construction, quick equal spies
Point.
When carrying out grassed slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then are laid with plantation in slope surface
Soil, and Turf Culture 66.
When carrying out the construction of the section tributary E, using the form for constructing the short barricade of concrete of layinging of markstone；It is first built using C20 Cast-in-place concrete short
Retaining wall foundation 70, then laying of markstone on short retaining wall foundation using C20 concrete and build parapet body 71；Short retaining wall foundation 70 buried depth 0.5m is short
The key-wall that the toe of wall and width that the front setting width of retaining wall foundation 70 is 0.5m are 0.5m；The top width of parapet body 71 is 0.7m,
The gradient of upstream face is 1:0.3, and the gradient of back side is 1:0.1；The M10 sand that the surface layer of parapet body 71 uses with a thickness of 0.25m
Masonry block stone is starched, the C20 concrete coping 72 with a thickness of 0.2m: parapet body 71 and short retaining wall foundation 70 is arranged in the top surface of parapet body 71
The expansion joint that one of width is 0.2m is set every 15m, and uses bituminous grout joint filling；A piece row is set every 2m in parapet body 71
Water pipe 73, every drainpipe 73 outsourcing, one layer of geotextiles, the water outlet of drainpipe 73 apart from short retaining wall foundation 70 be 0.75m (see
Figure 10).
Above embodiments are used for illustrative purposes only, rather than limitation of the present invention, the technology people in relation to technical field
Member, without departing from the spirit and scope of the present invention, can also make various transformation or modification, therefore all equivalent
Technical solution also should belong to scope of the invention, should be limited by each claim.
Claims (4)
1. a kind of river channel ecology bank protection construction technique divides the mainstream section A, the mainstream section B, the tributary section C, the tributary section D, tributary
E constructs section, which is characterized in that
Carry out the section mainstream A construction when, using two kinds of forms of construction work, the first form of construction work using construct the short barricade of concrete of layinging of markstone+
The complex form of ecological block slope protection, second of form of construction work use the form on flush system ecology frame box slope；
When construct the short barricade of concrete of layinging of markstone, short retaining wall foundation is first built using C20 Cast-in-place concrete, then use on short retaining wall foundation
C20 concrete, which is laying of markstone, builds parapet body；Short retaining wall foundation buried depth 0.5m, the front setting toe of wall and key-wall of short retaining wall foundation；Parapet body
The gradient of upstream face be 1:0.3, the gradient of back side is 1:0.1；The surface layer of parapet body uses M10 mortar masonry block stone, short
Acute noodles stone coping is arranged in the top surface of wall: it is stretching for 0.2m that width together, which is arranged, every 15m with short retaining wall foundation in parapet body
Contracting seam, and use bituminous grout joint filling；A piece drainpipe is set every 2m in parapet body, one layer of geotextiles of every drainpipe outsourcing,
The water outlet distance basis 0.75m of drainpipe；
When carrying out ecological block slope protection, river two sides are first built to the slope surface for being 1:1.5 at the gradient, one is then laid in slope surface
Layer geotextiles, repave and build ecological block, and the then filling planting soil in the ecological hole of ecological block, and Turf Culture finally exists
Beared down on one using curb on the top of slope protection；
When carrying out flush system ecology frame box slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then in slope surface successively
One layer of geotextiles and one layer of rubble are laid with, repaves and builds flush system ecology frame；It is successively filled out from bottom to top in every piece of flush system ecology frame
Rubble and planting soil are filled, sows grass seed mix in planting soil；The spats of slope protection uses C20 Cast-in-place concrete, and spats buried depth 1m, spats is every
The expansion joint that one of width is 0.2m is set every 15m, and uses bituminous grout joint filling；Beared down on one on the top of slope protection using curb；
When carrying out the construction of the section mainstream B, using three kinds of forms of construction work, the first form of construction work also uses and constructs the short barricade of concrete of layinging of markstone
The complex form of+ecological block slope protection, second of form of construction work are compound using lattice guest gabion baffling+ecological block slope protection is constructed
Form, the third form of construction work is using the form for constructing second level barricade；
When carrying out constructing lattice guest's gabion baffling, the basis of barricade is first built using C20 Cast-in-place concrete, then construct on the top surface on basis
Lattice guest's gabion baffling；Embedded depth of foundation 0.5m, basic front setting toe of wall and key-wall；Lattice guest gabion baffling is by lower layer's lattice guest's gabion
It is constituted with upper layer Ge Bin gabion；The width of lower layer's lattice guest's gabion is 1.67 times of the width of upper layer Ge Bin gabion, lower layer's lattice
Guest's gabion is identical with the aperture of upper layer Ge Bin gabion；The partial size filled in lower layer's lattice guest gabion and upper layer Ge Bin gabion is 1.5~2
The block stone in times aperture, block stone of the exposed surface side using partial size not less than 2 times of apertures are put；Using the zinc-coated wire wrapped up by PVC
Lower layer's lattice guest gabion and the binding of upper layer Ge Bin gabion is integral；At the back side of lattice guest's gabion baffling, one layer of geotextiles are set；?
The top surface of lattice guest's gabion baffling covers one layer of planting soil, climbs rattan for planting；
When carrying out constructing second level barricade, first order retaining wall foundation is first built using C20 Cast-in-place concrete, then on first order retaining wall foundation
It is laying of markstone using C20 concrete and builds first order barricade body；First order retaining wall foundation buried depth 0.5m, the front setting of first order retaining wall foundation
Toe of wall and key-wall；The gradient of the upstream face of first order barricade body is 1:0.3, and the gradient of back side is 1:0.1；First order barricade body
Surface layer use M10 mortar masonry block stone, the top surface of first order barricade body is arranged C20 concrete coping, first order barricade body and the
The expansion joint that one of width is 0.2m is arranged every 15m in level-one retaining wall foundation, and uses bituminous grout joint filling；In first order barricade body
Every 2m, a piece drainpipe, one layer of geotextiles of each drainpipe outsourcing, the water outlet distance basis 0.75m of drainpipe are set；
Second level barricade is located at the front end behind 2m of the coping of first order barricade；The second level is first built using C20 Cast-in-place concrete
Retaining wall foundation, then barricade body in the second level is built using placed rockfill on the retaining wall foundation of the second level；Second level retaining wall foundation buried depth
Toe of wall is arranged in the front of 0.5m, second level retaining wall foundation；Second level barricade body uses placed rockfill, and second level barricade body meets water
The gradient in face is 1:0.3, and the gradient of back side is 1:0.1；C20 concrete coping: the second level is arranged in the top surface of second level barricade body
The expansion joint that barricade body and second level retaining wall foundation are 0.2m every 15m setting together width, and use bituminous grout joint filling；Second
One layer of geotextiles are also arranged at the back side of grade barricade body；Imitation wood guardrail is also set up on the top surface of the coping of second level barricade body；
When carrying out the construction of the section tributary C, using the form for constructing placed rockfill barricade, wall base is first built using C20 Cast-in-place concrete
Plinth, then wall is built using placed rockfill on the basis of wall；Toe of wall is arranged in the front of wall embedded depth of foundation 0.5m, wall basis
And key-wall；The gradient of the upstream batter of wall is 1:0.3, and the gradient of downstream slope is 1:0.1；The top surface setting C20 concrete of wall bears down on one
Plate: the expansion joint that width together is 0.2m is arranged every 15m with wall basis in wall, and uses bituminous grout joint filling；The back of wall
One layer of geotextiles are also arranged in face；Imitation wood guardrail is also set up on the top surface of the coping of wall；
When carrying out the construction of the section tributary D, using constructing vegetation type staged ecology frame barricade+grassed slope complex form；
When carrying out constructing vegetation type staged ecology frame barricade, retaining wall foundation is first built using C20 Cast-in-place concrete, then in retaining wall foundation
It is upper that barricade body is constructed using staged ecology frame；Retaining wall foundation buried depth 0.75m, the front setting toe of wall and key-wall of retaining wall foundation；
The gradient of the upstream face of barricade body is 1:0.3, and the gradient of back side is 1:0.3；In each staged ecology frame from bottom to top according to
Secondary stone filling and planting soil plant emergent aquactic plant in planting soil；The behind of barricade body is successively laid with one layer of rubble and one layer of soil
Work cloth；
When carrying out grassed slope, river two sides are first built to the slope surface for being 1:2 at the gradient, then planting soil is laid in slope surface, and
Turf Culture；
When carrying out the construction of the section tributary E, using the form for constructing the short barricade of concrete of layinging of markstone.
2. river channel ecology bank protection construction technique according to claim 1, which is characterized in that carry out the ecological block slope protection
When, the ecological block is prefabricated reinforced concrete structure and strength grade is not less than C25；Using successively dry when ecological block making
It builds, the half and coping of lowest level ecological block pour together, and half and the curb of top layer's ecological block are cast in
Together；When adjacent ecological block connects, the raised line of one piece of ecological block is caught in the groove of adjacent ecological block.
3. river channel ecology bank protection construction technique according to claim 1, which is characterized in that when carrying out the construction of the river mainstream A,
The flush system ecology frame is prefabricated reinforced concrete structure and strength grade is not less than C30, is passed through between each piece of flush system ecology frame
It is located at the screw rod connection in corner.
4. river channel ecology bank protection construction technique according to claim 1, which is characterized in that when carrying out the construction of the river tributary D,
The staged ecology frame is prefabricated reinforced concrete structure and strength grade is not less than C30；It is filled in each staged ecology frame
Block stone is the cobble of 150~200mm partial size, and the two sides of every piece of staged ecology frame open up bolt connecting hole, make adjacent
Staged ecology frame pass through screw rod connect.
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| CN111815498A (en) * | 2020-07-16 | 2020-10-23 | 福建省金盾建设工程有限公司 | Construction method for dike protection of municipal engineering |
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| CN113802521A (en) * | 2021-08-25 | 2021-12-17 | 上海园林绿化建设有限公司 | Ecological fish tank stone revetment and construction method thereof |
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| CN114351649A (en) * | 2021-11-26 | 2022-04-15 | 中国电建集团西北勘测设计研究院有限公司 | Step type river bank protection construction method suitable for deep soft soil stratum |
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| CN114351649A (en) * | 2021-11-26 | 2022-04-15 | 中国电建集团西北勘测设计研究院有限公司 | Step type river bank protection construction method suitable for deep soft soil stratum |
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Application publication date: 20191008 |