CN105862671A - Construction method based on ecological organic sponge - Google Patents
Construction method based on ecological organic sponge Download PDFInfo
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- CN105862671A CN105862671A CN201610217681.6A CN201610217681A CN105862671A CN 105862671 A CN105862671 A CN 105862671A CN 201610217681 A CN201610217681 A CN 201610217681A CN 105862671 A CN105862671 A CN 105862671A
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- Prior art keywords
- bed course
- galvanized wire
- wire cage
- layer
- engineering method
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Classifications
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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
- E02B3/122—Flexible prefabricated covering elements, e.g. mats, strips
Abstract
The invention discloses a construction method based on ecological organic sponge. The construction method comprises the steps that (1) the surface of a sand soil layer is covered with a reverse filter base layer; (2) a plurality of wire boxes are arranged on the surface of the reverse filter base layer in a parallel and perpendicularly staggered mode to form a stepped bank slope and are bundled and fixed; (3) gabion bags are placed into the wire boxes, and the ecological organic sponge and/or a retaining structure are/is placed into the gabion bags; (4) the gabion bags are filled with soil and natural ingredients and are buckled and fastened after being tamped; (5) the surface of the bank slope is covered with a jute and coconut blanket layer; and (6) grass seeds are spread to form a vegetation layer. The construction method has the beneficial effects that the gabion bags are placed into the wire boxes, and the ecological organic sponge and the retaining structure are placed in the gabion bags; the ecological organic sponge has good water absorption, water storage and water retaining capacities, the retaining structure has good water storage capacity, and the whole stepped bank slope has extremely high utilization efficiency on water resources, and accordingly the long-term and effective protective sand soil layer is well realized.
Description
Technical field
The present invention relates to a kind of ecotechnology, be specifically related to a kind of life based on ecological organic sponge
State engineering method, belongs to field of environment engineering technology.
Background technology
Common protective slope uses the material such as stone, cement to be built into, the protection of this structure
Slope is the most great in constructing amount, performance difficulty, and relatively easily inrushes after using a period of time.Anti-
Bank protection once inrushes, and will result in soil losses, is not only unfavorable for environmental conservation, even can be right
People near levee slope cause heavy losses.Even if protective slope does not inrush, because it is to use stone
The material such as block, cement is built into, so environment can not be afforested by it.Visible, existing
Protective slope cannot for a long time, effectively realize protection.
Therefore, the ecotechnology (ZL200910260112.X) of a kind of flexible strong structure meet the tendency and
Raw, it utilizes several box cage body to be parallel to each other, vertical dislocation arrangement forms a stairstepping
Levee slope, owing to being only filled with present situation soil and prototype gradation material in the galvanized wire cage of composition box cage body,
So the water-retention water holding capacity of whole levee slope is limited, water resource utilization efficiency is low, causes the biggest
Waste.This situation is not limited to step-like levee slope, and the levee slope of scarf is also faced with equally
Problem.
The most step-like levee slope, or the levee slope of scarf, owing to levee slope surface is stayed incessantly
Moisture, so covering the plant planting generating layer on levee slope surface to can not get the water that more multipotency uses
Point, so plant is often in exsiccosis, not only bad for plant growing, also it is unfavorable for preventing
Bank protection realizes for a long time, effectively protects.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide one has based on ecology
The engineering method of machine sponge, the levee slope that this engineering method is formed is not only firm, and has good water-retention
Water holding capacity, makes the water resource utilization efficiency of preciousness improve, it is possible to realize for a long time, effectively prevent
Protect.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of engineering method based on ecological organic sponge, it is characterised in that comprise the following steps:
Step1: stairstepping or scarf are shoveled into, then on rank in the surface of sandy soils (1)
Trapezoidal or scarf surface covers anti-filter basal layer (2)；
Step2: on the surface of anti-filter basal layer (2), several galvanized wire cages (3) are parallel to each other,
The arrangement of vertical dislocation forms stairstepping levee slope, and then binding is fixing；
Step3: put into the stone basket bag (4) of same volume in galvanized wire cage (3), then at gabion
Ecological organic sponge (5) and/or enclosing (6) is put in bag (4),
The organic sponge of aforementioned ecology (5) is Plant fiber's bed course, straw bed course, sodium bentonite
Any one in bed course and mixture bed course, or the most several superpositions, wherein, aforementioned plant
Plant fiber in fibres bed course is coir fibre, monkey grass or flaxen fiber, aforementioned mixing
Mixture in thing bed course is any two kinds or complete in sodium bentonite, Plant fiber and straw
The mixture that portion is three kinds,
What aforementioned enclosing (6) was selected is geomembrane, and its sewing is in the medial surface of stone basket bag (4)
Bottom, and bottom out；
Step4: fill the river course of environmental project in stone basket bag (4) or side slope present situation is native and sky
So gradating material, fastens stone basket bag (4) after compacting
Step5: cover fiber crops coconut palm blanket layer (7) on the surface of stairstepping levee slope, cover galvanized wire cage (3)
And tighten；
Step6: spill grass seeds on the plane upper berth of the stairstepping levee slope being coated with fiber crops coconut palm blanket layer (7),
Generating layer (8) is planted in formation.
Aforesaid engineering method, it is characterised in that in Step2, by the end of anti-filter basal layer (2)
While from downside walk around bottom galvanized wire cage (3) return afterwards wrap in bottom galvanized wire cage (3) with its
Between one layer of galvanized wire cage (3), the top margin of anti-filter basal layer (2) is walked around top from upside
Galvanized wire cage (3) returns afterwards and wraps on top galvanized wire cage (3).
Aforesaid engineering method, it is characterised in that in Step2, aforementioned anti-filter basal layer (2) makes
Be the woven or knitting geotextile that spins, the aforementioned geotextile that spins is by polypropylene, poly-second
Alkene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide are made.
Aforesaid engineering method, it is characterised in that in Step3, aforementioned stone basket bag (4) uses
The woven or knitting geotextile that spins, aforementioned spin geotextile by polypropylene, polyethylene,
High density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide are made.
Aforesaid engineering method, it is characterised in that in Step3, the organic sponge of aforementioned ecology (5)
For mixture bed course, the mixture in aforementioned mixture bed course is coir fibre and sodium bentonite
Mixture, the weight of whole mixture bed course is 6000g/m2, wherein, sodium bentonite
Weight is 1000-5000g/m2, the remaining weight for coir fibre, mixture is filled in collection
In water layer cloth bag, flat matt-like is integrally formed.
Aforesaid engineering method, it is characterised in that in Step3, the organic sponge of aforementioned ecology (5)
For the composite cushion of coir fibre bed course Yu Na-bentonite soil padding, coir fibre bed course upper,
Na-bentonite soil padding under, or coir fibre bed course under, Na-bentonite soil padding upper,
Coir fibre bed course and Na-bentonite soil padding are all filled in collection water layer cloth bag, are integrally formed flat
Flat composite cushion, the weight of whole composite cushion is 6000g/m2, wherein, sodium bentonite
The weight of bed course is 1000-5000g/m2, the remaining weight for coir fibre bed course.
Aforesaid engineering method, it is characterised in that in Step3, aforementioned collection water layer cloth bag uses
The woven or knitting geotextile that spins, aforementioned spin geotextile by polypropylene, polyethylene,
High density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide are made.
Aforesaid engineering method, it is characterised in that in Step3, the height of aforementioned enclosing (6) is
The 1/4-1/3 of the height of stone basket bag (4).
Aforesaid engineering method, it is characterised in that in Step3, aforementioned galvanized wire cage (3) also sets
Being equipped with the line of pull (9) of "U" shaped, aforementioned line of pull (9) is from the front side of galvanized wire cage (3)
Face level is inserted through the stone basket bag (4) of galvanized wire cage (3) and inside thereof, then two ends and galvanized wire cage
(3) trailing flank binding.
Aforesaid engineering method, it is characterised in that in Step3, aforementioned line of pull (9) is arranged on
At the 1/3 of the height of galvanized wire cage (3) and at 2/3.
The invention have benefit that:
Galvanized wire cage is parallel to each other, the arrangement of vertical dislocation forms stairstepping levee slope, and levee slope is firm,
It is difficult to inrush, does not results in soil losses, beneficially environmental conservation；
It is placed with stone basket bag in galvanized wire cage, in stone basket bag, is placed with ecological organic sponge and enclosing, raw
The organic sponge of state has well water suction, water-retention, water holding capacity, and enclosing has good water-retention
Ability, whole stairstepping levee slope has high utilization ratio to water resource, thus well real
Show and for a long time, effectively protected sandy soils.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the stairstepping levee slope using the engineering method of the present invention to be formed；
Fig. 2 is the structural representation of the galvanized wire cage constituting stairstepping levee slope.
The implication of reference in figure: 1-sandy soils, 2-anti-filter basal layer, 3-galvanized wire cage, 4-
The ecological organic sponge of stone basket bag, 5-, 6-enclosing, 7-fiber crops coconut palm blanket layer, 8-plant generating layer, 9-pulling force
Line.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention made concrete introduction.
With reference to Fig. 1, the engineering method based on ecological organic sponge of the present invention comprises the following steps:
Step1: to river levee, road, landslide avalanche ground, dyke, highway, railway etc. two
The sandy soils 1 of job site, side is repaired, and specifically the surface of sandy soils 1 is shoveled into ladder
Shape (or scarf), then covers anti-filter base on the surface of stairstepping (or scarf)
Bottom 2.
Anti-filter basal layer 2 uses high-tensile strength synthetic material to make, and it has good water penetration,
Water body can free in and out, but sandy soil will not run off.
Step2: several galvanized wire cages 3 are parallel to each other, vertically on the surface of anti-filter basal layer 2
The arrangement of dislocation forms stairstepping levee slope, and then binding is fixing.
The levee slope of this kind of structure is reasonable in design, science, and bank protection is firm, is difficult to inrush, Bu Huizao
Become soil losses, beneficially environmental conservation.
Galvanized wire cage 3 is designed to suitable specification according to Environmental Status.In the present embodiment, with reference to figure
2, the galvanized wire cage 3 used is made up of cage body and cage lid two parts, the rule of whole galvanized wire cage 3
Lattice are 1m × 1m × 1m.
In order to ensure that anti-filter basal layer 2 well fits together with galvanized wire cage 3, and avoid
Anti-filter basal layer 2 sliding, bottom lead is walked around on the base of anti-filter basal layer 2 by us from downside
Returning after silk cage 3 wraps between bottom galvanized wire cage 3 and its last layer galvanized wire cage 3, by anti-filter base
The top margin of bottom 2 after top galvanized wire cage 3 is walked around in upside return wrap in top galvanized wire cage 3 it
On.
Anti-filter basal layer 2 uses woven or knitting spins geotextile, and this spins geotechnique and knits
Thing is by polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide
Make.
Step3: put into the stone basket bag 4 of same volume in galvanized wire cage 3 and fix, then at gabion
Ecological organic sponge 5 and enclosing 6 is put in bag 4.
Stone basket bag 4 uses woven or knitting spins geotextile, this spin geotextile by
Polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide are made,
It is made up of bag body, gluing mouth and capping, and wherein, bag is located at as cube structure, capping
The side on bag body top, gluing mouth is located at other side on bag body top, and capping gluing is at bag body
The glutinous seam on top.
The organic sponge of ecology 5 put in stone basket bag 4 not only has higher water-retention water conservation energy
Power, but also beneficially plant growing, it has following several selection:
(1) Plant fiber's bed course: Plant fiber is coir fibre, monkey grass or flaxen fiber,
As a example by coir fibre, directly by coir fibre place mat in the bottom of stone basket bag 4 (or by coconut palm
Case fibre is first loaded on collection water layer cloth bag and repaves the bottom being padded on stone basket bag 4), the weight of coir fibre
Amount >=500g/m2。
Collection water layer cloth bag uses woven or knitting spins geotextile, and this spins geotextile
By polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide system
Become.
We select coir fibre is the long filament coir fibre of pure natural.Coir fibre has aqueous
Moistening effect, because its fiber is longer, so water retention is higher, breathability more preferable, is conducive to lacking
Water, the plant growing of arid area.Moisture content can be kept planting raw initial stage coir fibre, increase grass
Plant survival rate, be particularly suitable for water resource and lack and precipitation rareness area.
Additionally, coir fibre without oils and fats, will not aoxidize, invariant color, do not carry disease germs, the most not
The earth ecology can be polluted.
(2) straw bed course: straw refers to that the gramineae farm crops such as Oryza sativa L., Semen Tritici aestivi, Semen Maydis are ripe
Remaining stem and leaf part after threshing, wherein, the straw of Oryza sativa L. is referred to as Caulis et Folium Oryzae, and the straw of Semen Tritici aestivi claims
For straw, as a example by straw, after being cut to suitable length, direct place mat is at stone basket bag
The bottom of 4 (or it is first loaded on collection water layer cloth bag repave the bottom being padded on stone basket bag 4),
Weight >=the 500g/m of straw2。
(3) Na-bentonite soil padding: sodium bentonite is first loaded on collection water layer cloth bag and repaves and be padded on
The bottom of stone basket bag 4, the weight >=1000g/m of sodium bentonite2。
Bentonite is the aqueous clay pit based on montmorillonite, has the strongest hygroscopicity, bonding
Property and adsorptivity, have stronger cation exchange capacity (CEC), adsorbable 8-15 times of own vol
The water yield.Research shows, uses bentonite and is remarkably improved soil water content and organic matter contains
Amount, strengthens Water and fertilizer retention ability of soil, and bentonite, as fertilizer additive, also can improve fertilizer
Utilization rate.
(4) mixture bed course: mixture refers in sodium bentonite, Plant fiber and straw
The arbitrarily mixing of two or all three kinds, as a example by the coir fibre mixing with sodium bentonite,
First by coir fibre and sodium bentonite mixing and stirring, then mixture is filled in and catchments
In layer cloth bag, flat matt-like is integrally formed, uses needling process the most again by mixture slightly
Fixing, so, sodium bentonite and coir fibre are not easy to dissipate, and whole ecology has
Machine sponge is also not easy deformation, and in collection water layer cloth bag, the weight of mixture is 6000g/m2,
Wherein, the weight of sodium bentonite is 2000g/m2(according to the needs of practical situation, sodio is swollen
The weight of profit soil can be at 1000-5000g/m2In the range of make the appropriate adjustments), remaining for coconut husk
The weight of fiber.
Using after being mixed homogeneously with sodium bentonite by coir fibre, the product made not only has
Higher water-retention water holding capacity, but also beneficially plant growing, so after the two is applied in combination
Preferable synergistic effect can be obtained, so this product is called ecological organic sponge by us.
We select coir fibre is the long filament coir fibre of pure natural, and before mixing
It is cut into the segment (can adjust in the range of 1-3cm) of 2cm.
(5) composite cushion: it is the most several that composite cushion refers in above-mentioned four kinds of bed courses
Plant and be overlapped, be superposed to example, coir fibre with coir fibre bed course and Na-bentonite soil padding
Lay with sodium bentonite layering, coir fibre bed course upper, Na-bentonite soil padding under (or
Person's coir fibre bed course under, Na-bentonite soil padding is upper), coir fibre bed course and sodio
Bentonite bed course is all filled in collection water layer cloth bag, and flat composite cushion is integrally formed, compound
The weight of bed course is 6000g/m2, wherein, the weight of Na-bentonite soil padding is 2000g/m2
(according to the needs of practical situation, the weight of sodium bentonite can be at 1000-5000g/m2Model
Make the appropriate adjustments in enclosing), the remaining weight for coir fibre bed course.
Collection water layer cloth bag uses woven or knitting spins geotextile, described in spin geotechnique and knit
Thing is by polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide
Make.
The material of stone basket bag, collection water layer cloth bag and anti-filter basal layer all has water penetration, it is allowed to from
By draining, but because of draining, soil will not be taken away, foundation soil will not decline in depression, thus not
Soil unstability can be caused.
Enclosing 6 select be geomembrane, its sewing in the bottom of the medial surface of stone basket bag 4, and
And bottom out, set up geomembrane (enclosing) in the inner side of stone basket bag body, further increase rank
The water storage of trapezoidal levee slope, water holding capacity.
The height of enclosing 6 is the 1/4-1/3 of the height of stone basket bag 4, effectively prevent gabion bag because of
The landslide hazard that water suction too much brings.
It is placed with stone basket bag in galvanized wire cage, in stone basket bag, is placed with ecological organic sponge and enclosing, raw
The organic sponge of state has well water suction, water-retention, water holding capacity, and enclosing has good water-retention
Ability, whole stairstepping levee slope has high utilization ratio to water resource, thus well real
Show and for a long time, effectively protected sandy soils.
Certainly, in actual use, we can also according to circumstances only be arranged in stone basket bag
Geomembrane (enclosing), it equally obtains good water-retention Water-saving effect.
Step4: fill the present situation of river course or the side slope taking environmental project on the spot in stone basket bag 4
Soil (directly alleviate the earthwork and transport and destroy the shortcoming that ecology takes stone) and prototype gradation material,
In the filling process, need to filling several times, needing after filling to carry out ramming pressure, until filling up every time
Till, then the capping on stone basket bag 4 is sealed.
Fill out ground present situation soil of knocking off, draw materials conveniently, reduce the earthwork and transport outward the pollution caused, real body
Existing energy-saving and emission-reduction, and river channel sedimentation of can releiving, improve water flowing section, increases the stream that current pass through
Condition.
During in order to prevent from ramming pressure stone soil, galvanized wire cage 3 and stone basket bag 4 are because expanding and causing bulk deformation,
We are additionally provided with the line of pull 9 of "U" shaped on galvanized wire cage 3, and line of pull 9 is from galvanized wire cage 3
Leading flank level be inserted through the stone basket bag 4 of galvanized wire cage 3 and inside thereof, then two ends and galvanized wire cage
The trailing flank binding of 3, this line of pull 9 is arranged at the 1/3 of the height of galvanized wire cage 3 and 2/3
Place.
Step5: cover fiber crops coconut palm blanket layer 7 on the surface of stairstepping levee slope, by the cage on galvanized wire cage 3
Cover and tighten.
The numb coconut palm blanket layer 7 of main body exposed parts parcel has good planting and comes into force really, it is achieved that raw
State environmental protection, reinforcement greening, promotion ecological balance, natural landscape is interactive with humanity, is greatly decreased
Cement jungle shock environment.
Step6: spill grass seeds, shape on the plane upper berth of the stairstepping levee slope being coated with fiber crops coconut palm blanket layer 7
Become to plant generating layer 8.
As can be seen here, the engineering method integral construction of the present invention is convenient, simple, and the duration is short, safety
Height, has good application value.
It should be noted that above-described embodiment limits the present invention, all employings etc. the most in any form
The technical scheme obtained with the mode of replacement or equivalent transformation, all falls within the protection model of the present invention
In enclosing.
Claims (10)
1. an engineering method based on ecological organic sponge, it is characterised in that comprise the following steps:
Step1: stairstepping is shoveled on the surface of sandy soils (1), then on step-like surface
Cover anti-filter basal layer (2)；
Step2: on the surface of anti-filter basal layer (2), several galvanized wire cages (3) are parallel to each other,
The arrangement of vertical dislocation forms stairstepping levee slope, and then binding is fixing；
Step3: put into the stone basket bag (4) of same volume in galvanized wire cage (3), then at gabion
Ecological organic sponge (5) and/or enclosing (6) is put in bag (4),
The organic sponge of described ecology (5) is Plant fiber's bed course, straw bed course, sodium bentonite
Any one in bed course and mixture bed course, or the most several superpositions, wherein, described in plant
Plant fiber in fibres bed course is coir fibre, monkey grass or flaxen fiber, described mixing
Mixture in thing bed course is any two kinds or complete in sodium bentonite, Plant fiber and straw
The mixture that portion is three kinds,
What described enclosing (6) was selected is geomembrane, and its sewing is in the medial surface of stone basket bag (4)
Bottom, and bottom out；
Step4: fill the river course of environmental project in stone basket bag (4) or side slope present situation is native and sky
So gradating material, fastens stone basket bag (4) after compacting；
Step5: cover fiber crops coconut palm blanket layer (7) on the surface of stairstepping levee slope, cover galvanized wire cage (3)
And tighten；
Step6: spill grass seeds on the plane upper berth of the stairstepping levee slope being coated with fiber crops coconut palm blanket layer (7),
Generating layer (8) is planted in formation.
Engineering method the most according to claim 1, it is characterised in that in Step2, will be anti-
The base of filter basal layer (2) is walked around bottom galvanized wire cage (3) and is returned afterwards and wrap in the bottom from downside
Between galvanized wire cage (3) and its last layer galvanized wire cage (3), by the top of anti-filter basal layer (2)
Return afterwards wrap on top galvanized wire cage (3) while walk around top galvanized wire cage (3) from upside.
Engineering method the most according to claim 1, it is characterised in that in Step2, described
Anti-filter basal layer (2) uses woven or knitting spins geotextile, described in spin geotechnique
Fabric is by polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamides
Amine is made.
Engineering method the most according to claim 1, it is characterised in that in Step3, described
Stone basket bag (4) uses woven or knitting spins geotextile, described in spin geotextile
By polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide system
Become.
Engineering method the most according to claim 1, it is characterised in that in Step3, described
Ecological organic sponge (5) is mixture bed course, and the mixture in described mixture bed course is coconut palm
Case fibre and the mixture of sodium bentonite, the weight of whole mixture bed course is 6000g/m2,
Wherein, the weight of sodium bentonite is 1000-5000g/m2, the remaining weight for coir fibre
Amount, mixture is filled in collection water layer cloth bag, flat matt-like is integrally formed.
Engineering method the most according to claim 1, it is characterised in that in Step3, described
Ecological organic sponge (5) is the composite cushion of coir fibre bed course and Na-bentonite soil padding,
Coir fibre bed course upper, Na-bentonite soil padding under, or coir fibre bed course under,
Na-bentonite soil padding is upper, and coir fibre bed course is all filled in Na-bentonite soil padding and catchments
In layer cloth bag, flat composite cushion being integrally formed, the weight of whole composite cushion is
6000g/m2, wherein, the weight of Na-bentonite soil padding is 1000-5000g/m2, remaining
Weight for coir fibre bed course.
7. according to the engineering method described in claim 5 or 6, it is characterised in that in Step3,
Described collection water layer cloth bag uses woven or knitting spins geotextile, described in spin geotechnique and knit
Thing is by polypropylene, polyethylene, high density polyethylene (HDPE), polyester, alkali-free glass fibre or polyamide
Make.
Engineering method the most according to claim 1, it is characterised in that in Step3, described
The height of enclosing (6) is the 1/4-1/3 of the height of stone basket bag (4).
Engineering method the most according to claim 1, it is characterised in that in Step3, described
Be additionally provided with the line of pull (9) of "U" shaped on galvanized wire cage (3), described line of pull (9) from
The leading flank level of galvanized wire cage (3) is inserted through the stone basket bag (4) of galvanized wire cage (3) and inside thereof,
Then two ends are bound with the trailing flank of galvanized wire cage (3).
Engineering method the most according to claim 9, it is characterised in that in Step3, institute
State line of pull (9) be arranged on galvanized wire cage (3) height 1/3 at and 2/3 at.
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| CN106522037A (en) * | 2016-12-26 | 2017-03-22 | 中铁第四勘察设计院集团有限公司 | Widening subgrade structure based on existing railway subgrade and construction method of widening subgrade structure |
| CN108468309A (en) * | 2018-05-18 | 2018-08-31 | 江苏绿之源生态建设有限公司 | For the geotechnological raft pad of river and lake library revetment and the means of defence of river and lake library revetment |
| CN112176950A (en) * | 2020-09-22 | 2021-01-05 | 芜湖质勉信息科技有限公司 | Can improve slope formula revetment structure for hydraulic engineering of angle bead installation steadiness |
| CN114982581A (en) * | 2022-07-08 | 2022-09-02 | 海南省林业科学研究院(海南省红树林研究院) | Ecological restoration afforestation method for wetland mangrove forest |
| CN115262469A (en) * | 2022-08-08 | 2022-11-01 | 广东岭秀科技有限公司 | Ecological restoration method for reservoir hydro-fluctuation belt |
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