CN205369274U - Civil engineering structure of complete domatic afforestation worker method in rock matter abrupt slope - Google Patents

Civil engineering structure of complete domatic afforestation worker method in rock matter abrupt slope Download PDF

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Publication number
CN205369274U
CN205369274U CN201620123223.1U CN201620123223U CN205369274U CN 205369274 U CN205369274 U CN 205369274U CN 201620123223 U CN201620123223 U CN 201620123223U CN 205369274 U CN205369274 U CN 205369274U
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China
Prior art keywords
slope
geotechnical grid
holdfast
zinc
civil engineering
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CN201620123223.1U
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Chinese (zh)
Inventor
邓检良
卢照辉
叶文亚
郎德敏
陈龙珠
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Ningbo Metallurgical Investigation & Design Research Co Ltd
Shanghai Jiaotong University
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Ningbo Metallurgical Investigation & Design Research Co Ltd
Shanghai Jiaotong University
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/22Improving land use; Improving water use or availability; Controlling erosion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/40Afforestation or reforestation

Abstract

The utility model relates to a with the civil engineering structure that rock matter abrupt slope afforestation vegetation technique suited, a civil engineering structure of complete domatic afforestation worker method in rock matter abrupt slope covers zinc -plating net (4), geotechnological check room otter board (1) in proper order on rock matter sty, and both are fixed on the face of rock matter abrupt slope (7) by steel anchor nail (2), cover in proper order on zinc -plating net (4), in the space that forms of geotechnological check room ecological concrete layer (5) and earthing layer (6), the otter board of zinc -plating net (4) for weaving by the galvanized metal silk, geotechnique check rooms otter board (1) constitute for the nonmetal board woollen yarn knitting that has a take the altitude, steel anchor nail (2) is L type or eta type, ecological concrete layer (5) are porous vegetation concrete, are pour within geotechnological check room by machine or manual work, earthing layer (6) are teared by machine spray pattern for the mixed soil moved in to improve the original that has plant seeds of preparation and are covered within geotechnological check room. The utility model provides an easy operation, most structure accepted standard spare, general piece, the cost of manufacture is low, and the afforestation depends on firm, the safe structure technology in rock matter abrupt slope.

Description

A kind of civil engineering structure of the full slope greening engineering method of steep rocky slope
Technical field
This utility model relates to a kind of civil engineering structure adapted with steep rocky slope afforestation vegetation technology, the especially a kind of and full slope greening of steep rocky slope, adopts the civil engineering structure that concrete, soil moved in improve the original engineering method adapt.
Background technology
The full slope greening of steep rocky slope is a difficult problem both domestic and external at present.Successfully develop celluar concrete at present, but not yet find it is successfully poured into steep rocky slope and successfully realizes the precedent of greening.Such as:
[1]. Zhang Zhendong (Chongqing Jiaotong University), Luo Bin, Zhang Lanjun, etc, rock side slope gap gradation plant cover concrete bulkhead tech [J]. highway communication technology, 2008, (03), pp127-130.The document introduces two kinds of main structural forms of rock side slope gap gradation plant cover concrete, analyzes its pluses and minuses, it is proposed that promotes the use of gap gradation and is filled up completely with formula plant cover concrete method to afforest rock side slope.Wherein celluar concrete has certain crushing resistance and fold resistance, and concrete pore rate is more than 30%.
[2]. Wu Lei (Wuhan University of Technology). grass-planting ecological concrete works applied research [D]. master, Wuhan University of Technology 2011.Document research is filled material by celluar concrete, top layer soil moved in improve the original and plant growing and is made grass-planting ecological concrete, and the grass-planting ecological the reinforcement of concrete that research is made in landscape wharf and bank-protection works to realize afforesting.
[3]. Chen Zhiqiang (Shijiazhuang City Xibaipo freeway management place), alien earth sparging construction technology in slope of highway is afforested and application [J]. Hebei Forestry Science and Technology, 2013, (6), pp53-55. document research geotechnical grid and the three dimensional network bi-material concrete application in alien earth sparging, provides in the application that slope of highway is afforested for alien earth sparging and accumulates experience.
[4]. Deng Futang (Yunnan University). tropical and subtropical zone mountainous area highway slope ecological recovery engineering and technological research is for Yunnan Sixiao highway [D]. doctor, Yunnan University 2010. document thinks little expressway slope for main object of study with Yunnan, to recover and the slope ecological system coordinated mutually of surrounding enviroment is for Task, indigenous plant before recovering is investigated, foliage filter screening, plants configuration and community hight, recover engineering construction to recovery after revegetation effect, vegetation structure step analysis and soil and water conservation effect evaluation, whole research runs through Yunnan thinks little expressway slope Ecological Restoration Works whole story.Research relates to rock side-slope and adopts geotechnical grid, alien earth sparging and plant biological bag technical matters to recover vegetation, it is achieved greening.
[5]. Li Xinling (Shandong University). the optimized choice [D] of highway Chip Rock vegetation on slope soil retaining technology and plant species. master, Shandong University 2012. document is by 95 case history investigation, preferably go out to be suitable for the soil retaining technology three dimension geotechnical gauze pad of Chip Rock vegetation on slope, geotechnical grid, spray sowing and rhombus ferrum net, its construction technology is described, with stable side slope vegetative protection, it is achieved slope greening.
Although above technology develops celluar concrete, but both it was not applied to steep rocky slope and had realized greening, technical scheme more how not implement.
Utility model content
The purpose of this utility model is in that for the deficiencies in the prior art, it is provided that a kind of technical scheme adopting celluar concrete to be applied to steep rocky slope realization greening civil engineering structure.
The purpose of this utility model is realized by following technical scheme.
A kind of civil engineering structure of the full slope greening engineering method of steep rocky slope, it is characterised in that:
On steep rocky slope face, cover as follows successively
Zinc-plated net, geotechnical grid web plate, both are fixed on steep rocky slope face by steel holdfast;
On zinc-plated net, geotechnical grid formed space in cover eco-concrete layer and overburden layer successively;
Described zinc-plated net is the web plate being woven into by galvanized metal silk, and the diameter of galvanized wire is 2.2mm ± 10%, and the grid of braiding assumes diamond in shape or the polygon of rule, and the area of grid hole is 25cm2± 15%;
Described geotechnical grid web plate is that the non-metal board woollen yarn knitting with certain altitude is constituted, the height of non-metal board is 15cm ± 10%, the thickness of non-metal board is 1.2mm ± 10%, reciprocal bending about non-metal board, article two, adjacent non-metal board docks the formation rhomboid geotechnical grid of class in opposite directions, the angle of rhombus can be circular arc, and each geotechnical grid distance in length of grade direction is 25cm ± 10%;
Described steel holdfast is L-shaped or η type, and the diameter of steel holdfast is 8mm ± 10%, and length is 50 80cm;
Described steel holdfast fixes a row from top to bottom at distance 1m ± 10% place, length of grade direction, and the horizontal range of same row's adjacent steel holdfast is 0.4m ± 10%;
Described eco-concrete layer is porous vegetation concrete, by machine or manually build within geotechnical grid;
Described overburden layer is the soil moved in improve the original that preparation is mixed with plant seed, machine spray pattern sow grass seeds by duster and be covered within geotechnical grid;
Described zinc-plated net and geotechnical grid web plate, are fixed by vertical holdfast close to mild face from 1m ± 20% place, abrupt slope at top, slope, and vertical holdfast embeds more than 2.5m in ground, and the diameter of vertical holdfast is 8mm ± 10%, and vertical holdfast separation distance from each other is 1m ± 20%;
Described eco-concrete layer thickness proportion in described geotechnical grid is 50% ± 10%;
Described overburden layer upper surface be positioned at geotechnical grid plate height ± 10%.
This item association adopts the scheme of geotechnical grid, overburden layer and porous vegetation concrete these three fundamental, and rational and orderly arrangement is constructed, the greening target entirely domatic to realize steep rocky slope.
The key technology of this project is in that select greening scheme and determine construction method;Leading indicator is the successful of the steep rocky slope greening construction adopting celluar concrete and finally realizing of greening target.
In order to rock side slope being built celluar concrete (i.e. eco-concrete) rising steeply, it is proposed to adopt three basic elements such as celluar concrete to implement greening side slopes, and propose concrete construction procedure.
This utility model solves its technical problem and be the technical scheme is that the steep rocky slope greening method adopting geotechnical grid, soil moved in improve the original and porous vegetation concrete.Scheme Choice considers overburden layer namely the function of soil moved in improve the original, geotechnical grid and celluar concrete: soil moved in improve the original is fixed on celluar concrete, be the material base of plant growing;Celluar concrete is built within geotechnical grid, fixing soil moved in improve the original;Celluar concrete loose during the fixing pouring construction of geotechnical grid, also can play certain effect keeping moisture to the soil moved in improve the original hereafter filled.Three key element synergy such as geotechnical grid, soil moved in improve the original and porous vegetation concrete realize rising steeply rock slope greening.
It is equipped with the stage at material, does following work: preparation is mixed with the soil moved in improve the original of plant seed, preparation celluar concrete, preparation geotechnical grid and accessory (such as zinc-plated net, steel holdfast etc.).
Reinforcement Works of Rock Slopes includes: side slope cuts slope, side slope cleaning, intercepting ditch are built by laying bricks or stones, nursery stock protection and transplanting etc. in the former barricade of construction work of porous concrete, toe.
This utility model construction work of porous concrete part:
Construction work of porous concrete step is divided into 6 steps, namely 1. smooth domatic, and 2. the construction of steel holdfast and zinc-plated net laying set, 3. the hanging up of geotechnical grid, 4. the building of eco-concrete, and 5. the injection of overburden layer (i.e. soil moved in improve the original), 6. starts early stage maintenance.
Further, the non-metal board constituting described geotechnical grid web plate is rubber slab or flexible plastic plate.
Further, in the horizontal direction, described geotechnical grid web plate is separated by 5m ± 10% place, and geotechnical grid arranges reinforcing clip, and described reinforcing clip is metal is the clamping plate of u shape.
Further, described galvanized metal silk is mild steel wire, stainless steel silk or aluminum-alloy wire.
The beneficial effects of the utility model are: providing a kind of technical scheme adopting celluar concrete to be applied to steep rocky slope realization greening civil engineering structure, simple to operate, major part constitutional detail, material and utensil, device are standard component, general part, and cost of manufacture is low.
This utility model adopts on steep rocky slope face, cover following zinc-plated net, geotechnical grid web plate successively, on zinc-plated net, to cover the technical scheme of eco-concrete layer and overburden layer successively in the space that formed of geotechnical grid be never occurred both at home and abroad, do not adopt pioneering technology, there is novelty.
This utility model apparatus structure depend on steep rocky slope firmly, safety, it is convenient that planting technique covers steep rocky slope, comprehensively.Improvement significantly, optimize the open country, hillside of China length and breadth of land, greening environment, there are very huge creativeness and using value, promote tourist industry, economic benefit, social meaning are far-reaching.
Accompanying drawing explanation
Fig. 1 is the civil engineering structure of the full slope greening engineering method of this utility model steep rocky slope, is perpendicular to the generalized section on abrupt slope;
Fig. 2 is the front view of this utility model geotechnical grid web plate, illustrates part and is configured at the embodiment on abrupt slope.
Fig. 3 is the partial enlarged drawing of Fig. 2.
In figure, 1 is geotechnical grid web plate;2 is steel holdfast;4 is zinc-plated net;5 is eco-concrete layer;6 is overburden layer;7 is steep rocky slope;8 is vertical holdfast;9 is reinforcing clip.
Detailed description of the invention
Structure of the present utility model is further described below in conjunction with accompanying drawing.
A kind of civil engineering structure of the full slope greening engineering method of steep rocky slope:
On steep rocky slope face, cover as follows successively
Zinc-plated net 4, geotechnical grid web plate 1, both are fixed on steep rocky slope 7 by steel holdfast 2;
On zinc-plated net 4, geotechnical grid formed space in cover eco-concrete layer 5 and overburden layer 6 successively;
Described zinc-plated net 4 is the web plate being woven into by galvanized metal silk, and the diameter of galvanized wire is 2.2mm ± 10%, and the grid of braiding assumes diamond in shape or the polygon of rule, and the area of grid hole is 25cm2± 15%;
Described geotechnical grid web plate 1 is that the non-metal board woollen yarn knitting with certain altitude is constituted, the height of non-metal board is 15cm ± 10%, the thickness of non-metal board is 1.2mm ± 10%, reciprocal bending about non-metal board, article two, adjacent non-metal board docks the formation rhomboid geotechnical grid of class in opposite directions, the angle of rhombus can be circular arc, and each geotechnical grid distance in length of grade direction is 25cm ± 10%;
Described steel holdfast 2 is L-shaped or η type, and the diameter of steel holdfast 2 is 8mm ± 10%, and length is 50 80cm;
Described steel holdfast 2 fixes a row from top to bottom at distance 1m ± 10% place, length of grade direction, and the horizontal range of same row's adjacent steel holdfast 2 is 0.4m ± 10%;
Described eco-concrete layer 5 is porous vegetation concrete, by machine or manually build within geotechnical grid;
Described overburden layer 6 is the soil moved in improve the original that preparation is mixed with plant seed, machine spray pattern sow grass seeds by duster and be covered within geotechnical grid;
Described zinc-plated net 4 and geotechnical grid web plate 1 at top, slope close to mild face, fix by vertical holdfast 8 from 1m ± 20% place, abrupt slope, vertical holdfast 8 embeds more than 2.5m in ground, and the diameter of vertical holdfast 8 is 8mm ± 10%, and vertical holdfast 8 separation distance from each other is 1m ± 20%;
The described eco-concrete layer 5 thickness proportion in described geotechnical grid is 50% ± 10%;
Described overburden layer 6 upper surface be positioned at geotechnical grid plate height ± 10%.
The non-metal board constituting described geotechnical grid web plate 1 is rubber slab or flexible plastic plate.This material is corrosion-resistant, and cost is low, wide material sources, easily.
In the horizontal direction, described geotechnical grid web plate 1 is separated by 5m ± 10% place, and geotechnical grid arranges reinforcing clip 9, and described reinforcing clip 9 is the clamping plate of u shape for metal.Special occasions, the gradient is more than more than 60 degree, it is considered to increase reinforcing clip 9, simple in construction in upper and lower junction, effect is substantially.
Described galvanized metal silk is mild steel wire, stainless steel silk or aluminum-alloy wire.Adopt cheap, vast standard component of originating as far as possible.
It is below an embodiment, have chosen Ningbo one place rock side slope when side slope is chosen domatic.This engineering is positioned at Yuyao City waterside river valley K55+145-210 section, and to the west of city, Yuyao, air line distance is about 20Km place.
This side slope, based on decomposed rock matter type, investigates side slope section exposure length more than 60 meter, and this side slope discrepancy in elevation is relatively low, is typically in 8-16m, relates to administering area and is about 1050m2
This improvement point slope of highway early stage has all carried out preliminary improvement, Ti Xiao slope, slope and levelling cleaning are mainly carried out, and below toe, build greening treatment in retaining wall and barricade, side slope all locates naked state after the cleaning, the cleaning of whole side slope is overall relatively regular, part forms platform after cutting slope, and scar inclination angle is typically between 55-65 °, and the local gradient is more than 70 °.Do not renovated after the highway cutting slope excavating administered, bare side sloping is affected by surface water for a long time, cause that side slope rock decay corrosion function aggravates, side slope scar and Po Ding also exist the bad geological phenomenon such as a number of loosening sillar, crag and Pumex, under extreme weather conditions, highway difference location side slope there occurs small-scale fall the phenomenon such as block, avalanche or domatic soil layer soil erosion, present situation shows to there is the potential safety hazard such as avalanche and falling rocks, constitutes the impact on highway communication and pedestrian.After adopting the technical program, obtaining good technique effect, domatic comprehensive covering is afforested, and vegetation is firm, does not fall off, and environmental quality substantially optimizes pleasant, and miniclimate also improves.
Described geotechnical grid web plate 1, the welding of thickness 1.2mm geotechnical grid is by the high density polyethylene (HDPE) (HDPE) of high intensity, the cellular spatial lattice structure formed through high-frequency ultrasonic welding (or snapping).Capable of expansion and contraction, can contract during transport and gather into folds, open composition during use and there is powerful lateral limitation and the structure of big rigidity.
Described zinc-plated net 4 is rhombus net, and mesh is uniform, wire side is smooth, braiding is succinct, crocheting forms, elegant in appearance;Twine high-quality, web are wider, the relatively thick not easily burn into of string diameter lasts a long time, practical.

Claims (4)

1. the civil engineering structure of the full slope greening engineering method of steep rocky slope, it is characterised in that:
On steep rocky slope face, cover as follows successively:
Zinc-plated net (4), geotechnical grid web plate (1), both are fixed on steep rocky slope (7) face by steel holdfast (2);
On zinc-plated net (4), geotechnical grid formed space in cover eco-concrete layer (5) and overburden layer (6) successively;
Described zinc-plated net (4) is the web plate being woven into by galvanized metal silk, and the diameter of galvanized wire is 2.2mm ± 10%, and the grid of braiding assumes diamond in shape or the polygon of rule, and the area of grid hole is 25cm2± 15%;
Described geotechnical grid web plate (1) is that the non-metal board woollen yarn knitting with certain altitude is constituted, the height of non-metal board is 15cm ± 10%, the thickness of non-metal board is 1.2mm ± 10%, reciprocal bending about non-metal board, article two, adjacent non-metal board docks the formation rhomboid geotechnical grid of class in opposite directions, the angle of rhombus can be circular arc, and each geotechnical grid distance in length of grade direction is 25cm ± 10%;
Described steel holdfast (2) is L-shaped or η type, and the diameter of steel holdfast (2) is 8mm ± 10%, and length is 50 80cm;
Described steel holdfast (2) fixes a row from top to bottom at distance 1m ± 10% place, length of grade direction, and the horizontal range of same row's adjacent steel holdfast (2) is 0.4m ± 10%;
Described eco-concrete layer (5) is porous vegetation concrete, by machine or manually build within geotechnical grid;
Described overburden layer (6) is the soil moved in improve the original that preparation is mixed with plant seed, machine spray pattern sow grass seeds by duster and be covered within geotechnical grid;
Described zinc-plated net (4) and geotechnical grid web plate (1) at top, slope close to mild face, fix by vertical holdfast (8) from 1m ± 20% place, abrupt slope, vertical holdfast (8) embeds more than 2.5m in ground, the diameter of vertical holdfast (8) is 8mm ± 10%, and vertical holdfast (8) separation distance from each other is 1m ± 20%;
The described eco-concrete layer (5) thickness proportion in described geotechnical grid is 50% ± 10%;
Described overburden layer (6) upper surface be positioned at geotechnical grid plate height ± 10%.
2. the civil engineering structure of the full slope greening engineering method of steep rocky slope according to claim 1, it is characterised in that the non-metal board constituting described geotechnical grid web plate (1) is rubber slab or flexible plastic plate.
3. the civil engineering structure of the full slope greening engineering method of steep rocky slope according to claim 1, it is characterized in that in the horizontal direction, described geotechnical grid web plate (1) is separated by 5m ± 10% place, geotechnical grid arranges reinforcing clip (9), and described reinforcing clip (9) is the clamping plate of u shape for metal.
4. the civil engineering structure of the full slope greening engineering method of steep rocky slope according to claim 1, it is characterised in that described galvanized metal silk is mild steel wire, stainless steel silk or aluminum-alloy wire.
CN201620123223.1U 2016-02-17 2016-02-17 Civil engineering structure of complete domatic afforestation worker method in rock matter abrupt slope Withdrawn - After Issue CN205369274U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544567A (en) * 2016-02-17 2016-05-04 上海交通大学 Civil engineering structure for total slope greening construction method of abrupt rock slope
CN106879274A (en) * 2017-02-24 2017-06-23 黄涛 A kind of steep rock hillside revegetation construct high and its recovery implantation methods
CN109098189A (en) * 2018-08-02 2018-12-28 北京易成市政工程有限责任公司 Road slope landslide reinforcement construction method
CN111456082A (en) * 2020-04-01 2020-07-28 安徽金联地矿科技有限公司 Re-greening method for mine slope surface

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105544567A (en) * 2016-02-17 2016-05-04 上海交通大学 Civil engineering structure for total slope greening construction method of abrupt rock slope
CN105544567B (en) * 2016-02-17 2017-09-05 上海交通大学 A kind of civil engineering structure of the full slope greening engineering method of steep rocky slope
CN106879274A (en) * 2017-02-24 2017-06-23 黄涛 A kind of steep rock hillside revegetation construct high and its recovery implantation methods
CN109098189A (en) * 2018-08-02 2018-12-28 北京易成市政工程有限责任公司 Road slope landslide reinforcement construction method
CN111456082A (en) * 2020-04-01 2020-07-28 安徽金联地矿科技有限公司 Re-greening method for mine slope surface

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