CN108035363B - A kind of side slope ecological renovation method of breakage mountain body - Google Patents

A kind of side slope ecological renovation method of breakage mountain body Download PDF

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CN108035363B
CN108035363B CN201711439714.2A CN201711439714A CN108035363B CN 108035363 B CN108035363 B CN 108035363B CN 201711439714 A CN201711439714 A CN 201711439714A CN 108035363 B CN108035363 B CN 108035363B
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concrete
plant growth
side slope
macrovoid
host material
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CN108035363A (en
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崔晨晨
樊蓓莉
夏博
赵晓红
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Beijing Oriental Garden Environmental Ltd By Share Ltd
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Beijing Oriental Garden Environmental Ltd By Share Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/06Aluminous cements
    • C04B28/065Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments
    • E02D17/20Securing of slopes or inclines
    • E02D17/202Securing of slopes or inclines with flexible securing means
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00034Physico-chemical characteristics of the mixtures
    • C04B2111/00146Sprayable or pumpable mixtures
    • C04B2111/00155Sprayable, i.e. concrete-like, materials able to be shaped by spraying instead of by casting, e.g. gunite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00758Uses not provided for elsewhere in C04B2111/00 for agri-, sylvi- or piscicultural or cattle-breeding applications

Abstract

The present invention relates to a kind of side slope ecological renovation methods of breakage mountain body, structure is repaired by the side slope of macrovoid concrete for plant growth layer, host material layer, fine pore concrete for plant growth layer formed by constructing, it being capable of smooth precipice side slope progress restoration of the ecosystem relatively smooth to precipitous and slope surface.Sprayed the side slope of macrovoid concrete for plant growth layer, surface roughness increases considerably, the host material of post-injection will not slide easily, and host material outer layer fill-before-fire fine pore concrete for plant growth, the double-deck concrete for plant growth structure more can effectively ensure that host material is attached in side slope, avoid landing and rainwash.Furthermore, the macroporous structure of macrovoid concrete for plant growth layer is advantageous to the growth of root system of plant, fine pore concrete for plant growth layer can purify pollution of area source, added in host material it is decomposed after ecological dredging sludge, solve the problems, such as vegetation degeneration caused by fertility is insufficient.

Description

A kind of side slope ecological renovation method of breakage mountain body
Technical field
The present invention relates to protecting slope ecology fields, more particularly to a kind of side slope ecological renovation method of breakage mountain body.
Background technique
The mankind disorderly cut into a mountain for quarrying for a long time, and large stretch of natural vegetation is destroyed, and massif breakage forms exposed slope surface, warp Prolonged erosion and weathering are crossed, becomes rock, plant can not be in growing on massif, and such massif is known as breakage mountain body. The quickening of urban construction step causes the demand of building stone to greatly increase, many surrounding cities mountain that beautiful environment originally Body becomes stone pit in urban construction, thus a large amount of original massifs are seriously damaged, and cause such as soil erosion, mountain A series of natural calamities such as body landslide, mud-rock flow, seriously threaten the survival and development of the mankind, it has also become the whole world is faced now Common issue.The restoration of the ecosystem of breakage mountain body can help improve the ecological environment of breakage mountain body, avoid the exploitation because of massif The ecological problem got worse and environmental problem are brought, therefore, it is extremely urgent to find suitable breakage mountain body restoration of the ecosystem measure.
Common breakage mountain body ecological reestablishment includes artificial vegetation, linked network is sowed grass seeds by duster, tape planting is afforested, sash soil moved in improve the original is green Change, the combination of planting trough and these technologies.Wherein, linked network spray seeding technique is the modern international novel spraying and seeding afforesting side used Formula, day this application it is very universal, and afforestation effect is preferable.It is by organic soil, depot fertilizer, adhesive, grass-seed etc. by one Fixed ratio forms and what is stirred evenly has substrate, by specific mechanical sow grass seeds by duster in the slope surface for hanging with metal mesh or steel mesh of sowing grass seeds by duster On, the certain thickness planting matrix that can allow plant growth is formed in slope surface.After revegetation, the root system of one side vegetation with Mesh sheet is woven below, forms the solid protective soil layer with reinforced action, on the other hand prosperous root system can pass through substrate The section deepened to rock mass buries and in crack, can reach solid slope purpose.
Although linked network spray seeding technique has obtained good application in the engineering practice of nearly more than ten years, in concrete application In also there is great number of issues, such as: 1. the rock side slope more smooth for excessively precipitous or slope surface, matrix of sowing grass seeds by duster are difficult to jail Solid the phenomenon that being attached in slope surface, matrix caused to fall off or be lost;2. southern area rainy season is longer, rainwater is to matrix punching of sowing grass seeds by duster Brush is serious, and soil erosion and pollution of area source have been further aggravated instead;3. slope surface is adhered to, the supply of substrate fertility is not lasting, and vegetation is easy It degenerates, be unfavorable for vegetation stablizes growth and the succession of vegetational type;4. uneven due to slope surface, mesh sheet is difficult to slope surface Good fit influences the growth of later period slope plants.
Researcher is also made that numerous corrective measures to linked network spray seeding technique at present, such as: notification number A kind of planting trough of CN105178337B is sowed grass seeds by duster the protecting slope ecology method combined with linked network, and this method sprays planting trough and linked network Thin combination is used for the ecological protection of side slope, improves the compactness of mesh sheet and slope surface, increases the stability of side slope, however for Precipitous precipice side slope, and the planting trough of concrete segment shape should not be set, stronger wind-force and rain-impact, it is possible to can make It falls off at the sliding of planting trough, there are biggish security risks after the completion of construction;For another example notification number CN105113518B is a kind of The protecting slope ecology substrate building method that slope surface is equipped with slot hole is thought to prevent concrete in side slope drilling fixing anchor bar linked network Sheath generates damage, therefore pit slot is excavated in invention selection, preset concrete sash is placed into pit slot and in planting in sash Plant is planted, though this method is not necessarily to bore operation, pit slot is excavated, the damage of massif will be increased further, and is unfavorable for , there are safety risks in consolidating for massif side slope.
Summary of the invention
The purpose of the present invention is sowing grass seeds by duster the above problem repaired and occurred in application to slope for linked network now, propose a kind of broken The side slope ecological renovation method of massif is damaged, to be suitable for precipitous, the relatively smooth smooth precipice side slope of slope surface restoration of the ecosystem, Good Effect of Ecological Restoration is played to the side slope of breakage mountain body.
To achieve the above object, the present invention provides a kind of side slope ecological renovation method of breakage mountain body, the side slope is raw State restorative procedure includes the following steps:
A, the side slope of breakage mountain body is cleared up, removal float stone, danger stone carry out massif and gets rid of the danger, and use anchor pole after drilling in side slope TGXG is fixed in side slope;
B, after preparing macrovoid concrete for plant growth, the macrovoid concrete for plant growth is injected in and has fixed TGXG Side slope on formed macrovoid concrete for plant growth layer, wait the macrovoid concrete for plant growth layer to dry and conserve 10~15 later Its time;
C, iron wire hanging net and the wire netting is fixed on anchor pole on the macrovoid concrete for plant growth layer, is made later Standby host material includes grass-seed in the host material, and host material is injected in hang with wire netting macrovoid plant it is raw mixed On solidifying soil layer, host material layer is formed;
D, after 1~2 day, fine pore concrete for plant growth is prepared, and fine pore concrete for plant growth is injected in host material layer On, form fine pore concrete for plant growth layer;
E, straw screen or mat is covered in side slope, side slope is made to keep wet for watering until the grass-seed in host material layer germinates, later Carry out conventional maintenance.
Preferably, the jet thickness of the macrovoid concrete for plant growth layer is 3~5cm, and the TGXG is embedded in In the macrovoid concrete for plant growth layer.
Preferably, the material of the TGXG is glass fibre, and the TGXG is side length in the side of 70~100cm Shape grid.
Preferably, the macrovoid concrete for plant growth includes that mass percent is thick for 75~85% porous acid pelelith Aggregate, 10~20% low-alkalinity sulphoaluminate cement and 1~5% water, the grain of the porous acid pelelith coarse aggregate Diameter is 20~25mm.
Preferably, the preparation step of the macrovoid concrete for plant growth includes:
It adds water in low-alkalinity sulphoaluminate cement, stirs 3~5min, the thick bone of porous acid pelelith is then added Material 3~5min of stirring, obtains the macrovoid concrete for plant growth that porosity is 25~30%.
Preferably, the wire netting is laid on the outside of the macrovoid concrete for plant growth layer, the spray of the host material layer It penetrates with a thickness of 5~8cm, and the wire netting is embedded in host material layer, the wire netting is that machine compiles wire netting, and iron wire is double Knot hexagon machine compiles galvanized wire, and the iron wire diameter of the wire netting is more than or equal to 0.24cm, and the mesh specification of wire netting is Less than or equal to 5 × 5cm.
Preferably, it is 35~45% local soil, 35~45% ecology that the host material, which includes mass percent, Dredged sediment, 10~15% agricultural crop straw, 2~5% auxiliary material, the auxiliary material include water-retaining agent, binder and grass-seed.
Preferably, the fine pore concrete for plant growth includes the thick bone of expanded perlite that mass percent is 75~85% Material, 10~20% low-alkalinity sulphoaluminate cement, 1~5% water.
Preferably, the injection of the fine pore concrete for plant growth layer with a thickness of 3~5cm, the thick bone of expanded perlite The partial size of material is 10~15mm.
Preferably, the preparation step of the fine pore concrete for plant growth includes:
It adds water in low-alkalinity sulphoaluminate cement, stirs 3~5min, expanded perlite coarse aggregate is then added and stirs 3~5min is mixed, the fine pore concrete for plant growth that porosity is 10~15% is obtained.
Based on the above-mentioned technical proposal, the invention has the advantages that
The side slope ecological renovation method of breakage mountain body of the invention is constructed by macrovoid concrete for plant growth layer, host material Layer, fine pore concrete for plant growth layer the side slope of composition repair structure, can effectively solve the problem that current linked network is sowed grass seeds by duster in practical application The great number of issues of appearance, three-decker is inseparable, indispensable, and effect prevents the water and soil of breakage mountain body slope surface under comprehensive function It is lost, plays the role of good Effect of Ecological Restoration to the side slope of breakage mountain body, specific as follows:
(1) macroporous structure of macrovoid concrete for plant growth layer is advantageous to the growth of root system of plant, and plant passes through hole Gap is taken root to interweave in the gap of precipice or in hole, conducive to solid slope effect is reached;In addition, this layer of structure is greatly improved The roughness of side slope, the host material of post-injection just will not slide easily, be conducive to the fixation of host material.
(2) concrete for plant growth layer choosing in fine pore uses expanded perlite as coarse aggregate, in addition to conventional light, heat preservation, Outside heat-blocking action, also because it is with strong adsorptivity, pollution of area source can be purified;In addition, fine pore structure can also prevent bulky grain Pollutant enter concrete for plant growth layer so as to cause pore plugging the problem of;
(3) the double-deck concrete for plant growth structure of macrovoid concrete for plant growth layer and fine pore concrete for plant growth layer, Neng Gouyou Effect guarantees that host material is attached in side slope, avoids substrate landing and rainwash problem.
(4) added in host material layer it is decomposed after ecological dredging sludge, can greatly promote nutrition in host material The content of substance, and relatively common fertilized soil can be continuously plant and provide nutrient, solve linked network and sow grass seeds by duster substrate fertility not Vegetation degeneration problem caused by foot.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is that the slope ecological of breakage mountain body repairs schematic diagram;
Fig. 2 is macrovoid concrete for plant growth layer schematic diagram.
Specific embodiment
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
The present invention provides a kind of side slope ecological renovation methods of breakage mountain body, as shown in Figure 1 and Figure 2, this are shown A kind of preferred embodiment of invention.Specifically, the side slope ecological renovation method includes the following steps:
A, the side slope of breakage mountain body 1 is cleared up, removal float stone, danger stone carry out massif and gets rid of the danger, and use anchor after drilling in side slope TGXG 6 is fixed in side slope by bar 2;
B, after preparing macrovoid concrete for plant growth, the macrovoid concrete for plant growth is injected in and has fixed TGXG Macrovoid concrete for plant growth layer 5 is formed in 6 side slope, and the macrovoid concrete for plant growth layer 5 is waited to dry and conserve 10 later ~15 day time;
C, iron wire hanging net 7 and the wire netting 7 is fixed on anchor pole 2 on the macrovoid concrete for plant growth layer 5, it After prepare host material, include grass-seed in the host material, and host material is injected in and hangs with the macrovoid of wire netting 7 and plants On growing concrete layer 5, host material layer 4 is formed;
D, after 1~2 day, fine pore concrete for plant growth is prepared, and fine pore concrete for plant growth is injected in host material layer 4 On, form fine pore concrete for plant growth layer 3;
E, straw screen or mat is covered in side slope, side slope is made to keep wet for watering until the grass-seed in host material layer 4 germinates, later Carry out conventional maintenance.
As shown in Figure 1, the present invention using the side slope of breakage mountain body 1 as initial layer, is followed successively by macrovoid concrete for plant growth outward Layer 5, host material layer 4, fine pore concrete for plant growth layer 3.The macrovoid concrete for plant growth layer 5 include TGXG 6 and Macrovoid concrete for plant growth.
The present invention is first laid with the TGXG 6 of appropriate gauge in side slope, and prefabricated macrovoid is then sprayed in side slope and plants life Concrete about 3~5cm, TGXG 6 are located between macrovoid concrete for plant growth layer 5 and side slope, are embedded in the macrovoid and plant life Inside concrete layer 5.TGXG 6 has reinforced action, can prevent side slope rock slide from causing danger.Preferably, described The material of TGXG 6 is glass fibre, and with intensity, big, light weight, bearing capacity be strong, anticorrosive, anti-aging, service life The advantages that long is a kind of good reinforcement material.Grid grid 6 is the square net of side length 70cm~100cm, according to side slope Bore position is arranged in shape, is fixed in side slope by anchor pole 2, as far as possible close to slope surface.
Preferably, the macrovoid concrete for plant growth includes that mass percent is thick for 75~85% porous acid pelelith Aggregate, 10~20% low-alkalinity sulphoaluminate cement and 1~5% water.Selecting partial size is the porous acidity of 20~25mm Pelelith is coarse aggregate, and quality is hard, and porosity is big, the hole of attachment can be provided for root system of plant, specific gravity is very light, can Effectively inhibit because coarse aggregate it is overweight caused by concrete for plant growth slide problem.Furthermore the sulphate aluminium cement of low alkalinity, energy are selected Enough effectively reduce influence of the concrete layer alkaline matter to plant.
Preferably, the preparation step of the macrovoid concrete for plant growth includes:
It adds water in low-alkalinity sulphoaluminate cement, stirs 3~5min, the thick bone of porous acid pelelith is then added Material 3~5min of stirring, obtains the macrovoid concrete for plant growth that porosity is 25~30%.
As shown in Fig. 2, the wire netting 7 is laid on 5 outside of macrovoid concrete for plant growth layer, it has been laid with iron wire backward Host material is sprayed on the macrovoid concrete for plant growth layer 5 of net 7, the jet thickness of the host material layer 4 is 5~8cm, iron wire Net 7 is embedded in inside host material.The wire netting 7 selects machine to compile wire netting, and iron wire is that double knot hexagon machines compile galvanized wire, Iron wire diameter is more than or equal to 0.24cm, and iron wire mesh specification is less than or equal to 5 × 5cm.
Host material is made of local soil, ecological dredging sludge, agricultural crop straw, auxiliary material, and the auxiliary material includes water conservation Agent, binder and grass-seed.In host material, the group sub-prime of local soil, ecological dredging sludge, agricultural crop straw and auxiliary material Measure percentage formula successively are as follows: 35%~45%, 35%~45%, 10~15%, 2~5%.
Selected ecological dredging sludge is the Amounts of Mercury in Sediments of only nitrogen and phosphorous nutrient pollution through ecological dredging herein And it is decomposed after obtained sludge, it is certainly decomposed after sludge use before should detect its heavy metal, helminth, bacterium, virus etc. and contain Amount should all be lower than the limit value of standard (GB/T23486-2009 " urban sewage treatment plant sludge disposes afforestation shale "). Ecological dredging sludge is used for plant substrates material, wherein can greatly be promoted rich in having a large amount of organic matter, nitrogen, phosphatic manure The nutrition content of host material, and plant can be continuously for relatively common fertilized soil, nutrient is provided, it can effectively solve Certainly slope surface substrate fertility supplies unabiding problem.
The agricultural crop straw need to increase simultaneously by crushing and processing to improve the content of organic matter in host material The porosity and intertexture interconnectivity of host material;Polyacrylamide, Sodium Polyacrylate or polyacrylic acid potassium can be selected in water-retaining agent Deng so that host material with performance of keeping humidity, is conducive to the growth of plant;Common water-soluble soil bonding can be selected in binder Agent is water solubility organic soil conditioner made of a kind of high molecular polymerization;Grass-seed may be selected locality can overwintering grass seeds, it is common Such as Bermuda, rye grass.
Preferably, the injection of the fine pore concrete for plant growth layer 3 with a thickness of 3~5cm.Plant raw coagulation in the fine pore Soil include mass percent be 75~85% expanded perlite coarse aggregate, 10~20% low-alkalinity sulphoaluminate cement, 1~ 5% water.
The partial size of the expanded perlite coarse aggregate is 10~15mm, coarse aggregate of the expanded perlite as this layer.Pearl Rock is a kind of acidic lava of volcanic eruption, is a kind of coarse aggregate of lightweight through glassy rock made of quick refrigeration, is selected Its coarse aggregate as concrete for plant growth, can effectively inhibit because coarse aggregate it is overweight caused by concrete for plant growth slide problem.This Outer choosing also has heat preservation, heat-insulated performance by the concrete for plant growth of coarse aggregate of perlite, and water penetration, gas permeability are also very good It is good, be conducive to the growth of grass-seed in underlying substrate material layer;Perlite also has good absorption property, can greatly promote side The detergent power of slope pollution of area source.
Preferably, the preparation step of the fine pore concrete for plant growth includes: to add water to low-alkalinity sulphoaluminate water In mud, stir 3~5min, then be added expanded perlite coarse aggregate stir 3~5min, obtain porosity be 10~15% it is small Hole concrete for plant growth.
General linked network, which is sowed grass seeds by duster, is suitable for relatively slow slope surface, out-of-flatness and the slope surface for having certain thickness soil layer, and of the invention is broken The side slope ecological renovation method of damage massif, which is constructed, plants raw coagulation by macrovoid concrete for plant growth layer, host material layer, fine pore The side slope of the composition of soil layer repairs structure, can effectively solve the problem that current linked network is sowed grass seeds by duster the great number of issues occurred in practical application, and three Layer structure is inseparable, indispensable, and effect prevents the soil erosion of breakage mountain body slope surface under comprehensive function, to breakage mountain body Side slope plays good Effect of Ecological Restoration.Specific effect is as follows:
(1) macroporous structure of macrovoid concrete for plant growth layer is advantageous to the growth of root system of plant, and plant passes through hole Gap is taken root to interweave in the gap of precipice or in hole, conducive to solid slope effect is reached;In addition, this layer of structure is greatly improved The roughness of side slope, the host material of post-injection just will not slide easily, be conducive to the fixation of host material.
(2) concrete for plant growth layer choosing in fine pore uses expanded perlite as coarse aggregate, in addition to conventional light, heat preservation, Outside heat-blocking action, also because it is with strong adsorptivity, pollution of area source can be purified;In addition, fine pore structure can also prevent bulky grain Pollutant enter concrete for plant growth layer so as to cause pore plugging the problem of;
(3) the double-deck concrete for plant growth structure of macrovoid concrete for plant growth layer and fine pore concrete for plant growth layer, Neng Gouyou Effect guarantees that host material is attached in side slope, avoids substrate landing and rainwash problem.
(4) added in host material layer it is decomposed after ecological dredging sludge, can greatly promote nutrition in host material The content of substance, and relatively common fertilized soil can be continuously plant and provide nutrient, solve linked network and sow grass seeds by duster substrate fertility not Vegetation degeneration problem caused by foot.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof;To the greatest extent The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced;Without departing from this hair The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.

Claims (10)

1. a kind of side slope ecological renovation method of breakage mountain body, it is characterised in that: the side slope ecological renovation method includes as follows Step:
A, the side slope of breakage mountain body (1) is cleared up, removal float stone, danger stone carry out massif and gets rid of the danger, and use anchor pole after drilling in side slope (2) TGXG (6) is fixed in side slope;
B, after preparing macrovoid concrete for plant growth, the macrovoid concrete for plant growth is injected in and has fixed TGXG (6) Side slope on formed macrovoid concrete for plant growth layer (5), wait the macrovoid concrete for plant growth layer (5) to dry and conserve later 10~15 day time;
C, iron wire hanging net (7) and the wire netting (7) is fixed on anchor pole (2) on the macrovoid concrete for plant growth layer (5) On, host material is prepared later, includes grass-seed in the host material, and host material is injected in and hangs with wire netting (7) On macrovoid concrete for plant growth layer (5), formed host material layer (4);
D, after 1~2 day, fine pore concrete for plant growth is prepared, and fine pore concrete for plant growth is injected in host material layer (4) On, it is formed fine pore concrete for plant growth layer (3);
E, cover straw screen or mat in side slope, side slope is made to keep wet for watering until grass-seed germination in host material layer (4), it is laggard Row conventional maintenance.
2. side slope ecological renovation method according to claim 1, it is characterised in that: the macrovoid concrete for plant growth layer (5) jet thickness is 3~5cm, and the TGXG (6) is embedded in the macrovoid concrete for plant growth layer (5).
3. side slope ecological renovation method according to claim 1, it is characterised in that: the material of the TGXG (6) is Glass fibre, the TGXG (6) are square net of the side length in 70~100cm.
4. side slope ecological renovation method according to claim 1, it is characterised in that: the macrovoid concrete for plant growth is by matter Measure percentage be 75~85% porous acid pelelith coarse aggregate, 10~20% low-alkalinity sulphoaluminate cement and 1~ The partial size of 5% water composition, the porous acid pelelith coarse aggregate is 20~25mm.
5. side slope ecological renovation method according to claim 4, it is characterised in that: the system of the macrovoid concrete for plant growth Include: for step
It adds water in low-alkalinity sulphoaluminate cement, stirs 3~5min, porous acid pelelith coarse aggregate is then added and stirs 3~5min is mixed, the macrovoid concrete for plant growth that porosity is 25~30% is obtained.
6. side slope ecological renovation method according to claim 1, it is characterised in that: the wire netting (7) is laid on described On the outside of macrovoid concrete for plant growth layer (5), the jet thickness of the host material layer (4) is 5~8cm, and the wire netting (7) it is embedded in host material layer (4), the wire netting (7) is that machine compiles wire netting, and iron wire is that double knot hexagon machines compile galvanized iron Silk, the iron wire diameter of the wire netting (7) are more than or equal to 0.24cm, and the mesh specification of wire netting (7) is less than or equal to 5 × 5cm.
7. side slope ecological renovation method according to claim 1, it is characterised in that: the host material is by mass percent For 35~45% local soil, 35~45% ecological dredging sludge, 10~15% agricultural crop straw, 2~5% auxiliary material Composition, the auxiliary material includes water-retaining agent, binder and grass-seed.
8. side slope ecological renovation method according to claim 1, it is characterised in that: the fine pore concrete for plant growth includes Mass percent is 75~85% expanded perlite coarse aggregate, 10~20% low-alkalinity sulphoaluminate cement, 1~5% Water.
9. side slope ecological renovation method according to claim 8, it is characterised in that: the fine pore concrete for plant growth layer (3) injection with a thickness of 3~5cm, the partial size of the expanded perlite coarse aggregate is 10~15mm.
10. side slope ecological renovation method according to claim 8, it is characterised in that: the fine pore concrete for plant growth Preparation step includes:
It adds water in low-alkalinity sulphoaluminate cement, stirs 3~5min, expanded perlite coarse aggregate stirring 3 is then added ~5min obtains the fine pore concrete for plant growth that porosity is 10~15%.
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