CN102444134B - Slope protecting method based on slope with soil layer as upper part and rock layer as lower part - Google Patents
Slope protecting method based on slope with soil layer as upper part and rock layer as lower part Download PDFInfo
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- CN102444134B CN102444134B CN 201110301274 CN201110301274A CN102444134B CN 102444134 B CN102444134 B CN 102444134B CN 201110301274 CN201110301274 CN 201110301274 CN 201110301274 A CN201110301274 A CN 201110301274A CN 102444134 B CN102444134 B CN 102444134B
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Abstract
The invention discloses a slope protecting method based on a slope with a soil layer as the upper part and a rock layer as the lower part, wherein the upper part of the slope is the soil layer and the lower part of the slope is the rock layer. The slope protecting method includes the following steps that, 101, cleaning the slope: cleaning the miscellaneous articles away from the surface of the slope so as to level the surface of the slope; 102, carrying out basic construction on the slope; 103, piling up ecological bags on the surface of the rock layer of the slope; 104, hanging a net on the soil layer of the slope; and 105 duster-sowing plant seeds on the surfaces of the soil layer and the rock layer of the slope for protection. As the rock layer at the lower part of the slope adopts the ecological bags for protection and the soil layer at the upper part of the slope adopts the net hanging and duster-sowing for protection, and the advantages of the two slope protecting methods are integrated, the purposes of excellent protecting effect, greening, attractive appearance, excellent economical benefits are achieved at the same time.
Description
Technical field
The invention belongs to field of civil engineering, specifically, relating to a kind of is that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top.
Background technology
Side slope is descended very easily to collapse in the etch of weathering and snow, rainwater and is collapsed even wide-spread decline.In 20th century, side slope protection normal operation building stones, concrete, building block etc. are with whole domatic complete closed.Can prevent preferably slope and land slide, unstability and soil erosion although do like this, cause easily visual pollution, be unfavorable for ecological afforestation, and natural environment, the ecological vegetation around the side slope damaged, so ecological bank protecting method is used widely.At present, the domatic ecological protection technology of engineering commonly used is mainly backfill (or change and fill out) soil moved in to improve the original technology, the technology of sowing grass seeds by duster and ecology bag technology three major types type.
The backfilling new soil technology is applicable to all kinds of side slopes, and for high and steep hard rock side slope has obvious advantage, but its equipment investment is large, material cost is high, construction speed is slow.Linked network spray slope protecting technique is the method on a kind of Rapid Establishment lawn, have mechanization degree height, mulched ground indicated airspeed degree fast, afforest and beautify the characteristics such as effective, with low cost, effectively stable side slope, protection major project.The ecology bag technology is applicable to do engineering and reinforces the stone matter side slope of (such as the grid concrete rib) and more low and slow stone matter side slope, and its cost is lower, and it is convenient to construct, and soil layer is thick, and its growth that is beneficial to shrub seeds is arranged, and the construction rear stability is good; But its shortcoming is to be not easy anchoring in the high slope of not doing pane formula concrete rib, and high to the quality requirement of ecology bag.
In the city or common bottom, knob be that rock matter, top are weathering soil layer side slope, at present to such side slope, top and the bottom are adopted the same support pattern usually when supporting, and for example top and the bottom are all adopted the ecology bag safeguard structure or all adopted up and down the linked network safeguard structure of sowing grass seeds by duster.Though the ecology bag safeguard structure is better to the rock side slope applicability, because it is difficult for fixing, so be not suitable for high slope.The linked network safeguard structure of sowing grass seeds by duster, applicable effective to soil-slope, and its convenient and quick construction, afforestation effect is good, but when adopting linked network to sow grass seeds by duster safeguard structure to rock side slope, because of the rock side slope poor water retention property, and the required soil layer of plant growth is thin, so protection effect is not good, and afforestation effect is poor.
Summary of the invention
Technical problem:Technical problem to be solved by this invention is: providing a kind of is that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, this bank protecting method adopts the ecology bag means of defence to bottom rock matter layer, the top soil layer is adopted the linked network means of defence of sowing grass seeds by duster, integrate the advantage of two kinds of methods, thereby reach simultaneously the purpose that protection effect is good, greening is attractive in appearance, good in economic efficiency.
Technical scheme:For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of is that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, and the top of described side slope is soil layer, and the bottom of side slope is rock matter layer, and this bank protecting method may further comprise the steps:
101. arrangement side slope: remove the foreign material on side slope surface, so that the side slope surfacing;
102. side slope is carried out foundation construction: the step excavation that at first carries out the side slope face with excavation machinery by 5 meters-6 meters classifications, secondly at the toe place of side slope barricade is set, in ground proterties and wall height variation place settlement joint is set, clog elastic water-proofing material in the slit of settlement joint, corner arranges reinforcement at barricade, in barricade inside gutter is set; Then a side that deviates from side slope at barricade arranges sough; Utilize subsequently excavation machinery between soil layer and rock matter layer, to excavate a halfpace, and in the halfpace inboard ditch is set; On the top, slope of side slope catchwater is set at last;
103. the rock matter layer surface in side slope assembles ecology bag;
104. in the soil layer surface of side slope linked network;
Vegetation and maintenance 105. sow grass seeds by duster on the soil layer of side slope and rock matter layer surface.
Beneficial effect:Compared with prior art, technical scheme of the present invention is that soil layer, bottom are the side slope of rock matter layer when carrying out bank protection for top, can reach simultaneously the purpose that protection effect is good, greening is attractive in appearance, good in economic efficiency.Ecology bag greening technique is fit to stone matter side slope, and the protection soil layer is thick, and the outer field net structure of ecology bag is convenient to plant root growth; Construction technology is simple, equipment investment is low, is applicable to more low and slow stone matter side slope.Linked network spray slope protecting technique is the method on a kind of Rapid Establishment lawn, have mechanization degree height, mulched ground indicated airspeed degree fast, afforest and beautify characteristics effective, with low cost.Be that the side slope of rock matter layer adopts the combined biological protective slope structure for top soil layer, bottom, adopt the linked network bank protection of sowing grass seeds by duster in top soil layer side slope, bottom rock matter layer side slope adopts the ecology bag bank protection.This combined biological protective slope structure has been given full play to the advantage of above two kinds of bank protection modes, has avoided defective separately, and when making the combined type bank protecting method reach stable side slope, whole slope is attractive in appearance, and afforestation effect is good, and good in economic efficiency.
Description of drawings
Fig. 1 is the transversary schematic diagram of the side slope among the present invention.
Fig. 2 is the partial perspective view of barricade among the present invention.
Fig. 3 is the front view of three dimensional network among the present invention.
Have among the figure: rock matter layer 1, soil layer 2, halfpace 3, ditch 4, ecology bag 5, U-shaped steel nail 6, barricade 7, planting soil 8, settlement joint 9, elastic water-proofing material 10, gutter 11, sough 12, catchwater 13, three dimensional network 14.
The specific embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in detail.
As shown in Figure 1 to Figure 3, the vertical height of the side slope among the embodiment is 10m, and bottom 6m is rock matter layer 1, and top 4m is soil layer 2, and the design grade of side slope is 1:1.2.Be that soil layer 2, bottom are the bank protecting method of the side slope of rock matter layer 1 to this top, may further comprise the steps:
101. arrangement side slope: remove the foreign material on side slope surface, so that the side slope surfacing.
In step 101, the foreign material of removing the side slope surface comprise the outstanding domatic stone of cleaning, to guarantee the smooth of side slope surface.
102. side slope is carried out foundation construction: the step excavation that at first carries out the side slope face with excavation machinery by 5 meters-6 meters classifications, secondly at the toe place of side slope barricade 7 is set, in ground proterties and barricade 7 height change places settlement joint 9 is set, filling elastic water-proofing material 10 in the slit of settlement joint 9,7 corners arrange reinforcement at barricade, in barricade 7 inside gutter 11 are set; Then a side that deviates from side slope at barricade 7 arranges sough 12; Utilize subsequently excavation machinery between soil layer 2 and rock matter layer 1, to excavate a halfpace 3, and in halfpace 3 inboards ditch 4 is set; On the top, slope of side slope catchwater 13 is set at last.
In step 102, the barricade 7 preferred plain concretes that adopt are made, and strength grade of concrete is more than or equal to C15, the substrate of barricade 7 is adverse grade, the gradient of adverse grade is less than 0.2:1.0, the end face width of barricade 7 is greater than 300mm, and the embeded depth of foundation of barricade 7 is greater than 0.3m, and the shrinkage joint spacing of barricade 7 is between 10 meters to 15 meters; The width of settlement joint 9 is between 20 millimeters to 30 millimeters, and the filling degree of depth of elastic water-proofing material 10 is greater than 150mm.Elastic water-proofing material 10 preferred pitch hemp cuts.By " Technique Code for Building Slope Engineering " (GB 50330-2002) regulation and stipulation, when the side slope longitudinal gradient is grown suddenly, need to adopt excavation machinery carry out domatic step excavation by the 5-6m classification.In the present embodiment, adopt excavation machinery to carry out domatic step excavation by the 6m classification, halfpace 3 tops are soil layer 2 side slopes, and the below is rock matter layer 1 side slope.Behind the classification excavation, at halfpace 3 inboard boiling water ditches 4, set up drainage system, with the water that gets off in the interception upstream, reduce runoff to domatic washing away.Plain concrete barricade 7 embedded depth of foundation 0.6m, wall top width degree 400mm.Every 15m the wide shrinkage joint of 50mm is set one.Bury the gutter 11 of a diameter 50mm in the barricade 7 underground every 3m, gutter 11 is used for being connected to the sough 12 that is positioned at the toe place.
103. rock matter layer 1 surface in side slope assembles ecology bag 5.
Step 103 specifically may further comprise the steps:
1031. ecology bag 5 filling operations: to first ecology bag 5 chargings, whole ecology bag 5 forms three-dimensional shape, then to these ecology bag 5 sealings, then this ecology bag 5 is weighed, and record its weight; Be sample according to the ecology bag 5 after first charging, all the other ecology bags 5 are feeded.
In step 1031, the filling operation of ecology bag 5 generally adopts on-the-spot charging construction.The shape of ecology bag 5 after all chargings is even, is cubic morphology, is out of shape up and down greatly during for pack, in time adjust evenly.The same day, construction was complete as far as possible for the ecology bag 5 that installs, and the bag that installs should not be crossed to expose outdoor or drench with rain for a long time.During carrying, liftoff carrying, do not tow or rolling transportation on ground, will put down gently during placement.
1032. sandbag bag filling operation: to first husky bag sand, whole sandbag forms three-dimensional shape, then to this sandbag sealing, then this sandbag is weighed, and records its weight; Be sample according to the sandbag of first dress behind sand, to all the other husky bag sands.
1033. assemble ecology bag 5 and sandbag: at first at rock matter layer 1 from bottom to top, assemble ecology bag 5 and the sandbag of having feeded, whenever after assembling 4-5 layer ecology bag 5, assemble above it one deck sand pocket, then above sand pocket, continue up to assemble 4-5 layer ecology bag 5, re-lay one deck sand pocket, so circulation is until halfpace 3 places; Vertically between the adjacent ecology bag 5, perhaps adopt levels fissure of displacement arrangement between vertical adjacent ecology bag 5 and the sandbag, then junction button is fixed between the laterally adjacent ecology bag 5 or between the sandbag, and between vertical adjacent ecology bag 5 or between ecology bag 5 and the sandbag, last in the space of ecology bag 5 and rock matter layer 1, and fill up compacting with cohesive soil in the space of sandbag and rock matter layer 1.
In step 1033, behind the ecology bag 5 of having laid the bottom, the junction button that will connect bottom ecology bag 5 with holdfast or stainless steel lag screws is fixed on the hard interface.Can improve like this fastness of the ecology bag 5 of the bottom, thereby strengthen the fastness of whole ecology bag 5 and sandbag, avoid caving in.In addition, for strengthening the fastness of ecology bag 5 and sandbag integral body, whenever the ecology bag 5 that is in lower floor or sandbag lay finish after, tamp first processing, for example every layer of sack placed plank in the above after laying and finishing, and walked in the above by the people and to trample, carry out again the laying of upper strata ecology bag 5 or sandbag.Like this, when laying upper strata ecology bag 5 or sandbag, the ecology bag 5 of lower floor or sandbag are processed through compacting, can guarantee between the levels ecology bag 5 or the stability of the interlocking structure that forms between ecology bag 5 and the sandbag at every turn.In rock matter layer 1 side slope, sandbag is set, can utilize the draining of sandbag to replace gutter.During construction, the maximum vertical height that assembles of ecology bag 5 and sandbag every day surpasses 3.0 meters, and at the top of plain concrete barricade 7, the long side direction of ecology bag 5 is put perpendicular to metope, and it is firm to guarantee to bear down on one.
104. the soil layer 2 surperficial linked networks in side slope.
Step 104 specifically may further comprise the steps:
1041. lay three dimensional network 14 on soil layer 2 surfaces; Three dimensional network 14 laying of taking advantage of a situation from top to bottom along soil layer 2 surfaces, one side and soil layer 2 Surface Contacts that three dimensional network 14 is level and smooth, the top of three dimensional network 14 is fixed on the side slope top, and the middle part of three dimensional network 14 and bottom are anchored in the soil layer 2 with U-shaped steel nail 6;
In step 1041, three dimensional network 14 can be tight with geotechnique's rope string in top, slope lap-joint.In the present embodiment, U-shaped steel nail 6 length 30cm, width 6cm, and the distance between the adjacent U-shaped steel nail 6 is 1.5m, U-shaped steel nail 6 is done the plum blossom-shaped anchoring with three dimensional network 14.
1042. backfill planting soil 8: at first before backfill, planting soil 8 is carried out airing, pulverizes, sieves and remove diameter greater than 25 millimeters particle, then at soil layer 2 surperficial backfill planting soils 8, so that planting soil 8 is fair with the convex surface of three dimensional network 14, and domatic smooth-going, at last planting soil 8 is carried out compaction treatment.
In step 1042, the fertile pond sludge of planting soil 8 preferred PH6.0-7.0.The thickness that planting soil after the backfill is 8 layers is not less than 5cm.Behind the backfill planting soil 8, wrap, reveal bag, empty bag or pressure bag phenomenon without net.To planting soil 8 compactings, otherwise when the heavy real soil layer of water spray, planting soil 8 can seriously run off.
Vegetation and maintenance 105. sow grass seeds by duster on the soil layer 2 of side slope and rock matter layer 1 surface.
Step 105 specifically may further comprise the steps:
Heavy real soil layer: whole side slope is watered permeable, with heavy real soil layer;
In described heavy real soil layer step, the humid soil layer depth is to more than the 15cm, the pipeline of earth's surface and underground hair suction pipe water interconnected, otherwise can cause underground hair suction pipe water can't rise to the top layer, can dry up because of lack of water in the lawn.
Cleaning: outer surface and planting soil 8 removing surfaces on the soil layer 2 of the ecology bag 5 of rock matter layer 1 are clean.
Blowing: the seed of vernalization, fibre object, water-loss reducer, adhesive, fertilizer materials are put in the water tank.
Add water: the material of putting into water tank is dissolved in water, forms the hydrotrope.
Stir: open engine the hydrotrope in the water tank is stirred, it is fully stirred evenly.
In described whipping step, the time that the hydrotrope in the water tank is stirred was preferably more than 30 minutes, so that the hydrotrope is even.
Sow grass seeds by duster: start spray seeder, the hydrotrope is sprayed onto soil layer 2 domatic and ecology bag 5 surfaces; Centrifugal pump is pressed into flexible pipe with the hydrotrope when sowing grass seeds by duster, and from the tube head ejection, evenly sows grass seeds by duster, and every tank has sprayed, and should in time add the water of 1/4 tank, and circulation idle running.
In the described step of sowing grass seeds by duster: laterally sow grass seeds by duster by stick when sowing grass seeds by duster, and sow grass seeds by duster successively from top to bottom, and spout is with domatic vertical when sowing grass seeds by duster, spout and domatic vertical distance are sprayed 4-6m at 0.8-1.0m at every turn; Repeat first the overlapping 2m of sowing grass seeds by duster when continuing to sow grass seeds by duster; The place of sowing grass seeds by duster forbids trampling.
Overlay overburden: to the place bedding nonwoven that has sprayed, nonwoven is fixed with bamboo let.
Add a cover in the overburden step described, the height of described bamboo let is preferably 13 ㎝ to 18 ㎝, for example can be 13 ㎝, 15 ㎝ or 18 ㎝.The top soil layer 2 side slopes rear overlay overburden of sowing grass seeds by duster is conducive to reduce the moisture evaporation and prevents rain drop erosion.
Water and afforest management: determine comprehensively that according to weather, soil, plant variety habit vegetation waters; When treating that grass grows to 3 ㎝, open nonwoven.
In this step, need to comprehensively determine according to weather, soil, plant variety habit watering of vegetation.About one centimetre of the water yield is watered on general lawn, and waters and should after planting continue about one month, is to prevent excessively rising and guarantee good pouring effect in summer, and every day, watering time was preferably in before at 10 in the morning or after at 4 in afternoon.When treating that grass grows to 3 ㎝, open nonwoven in order to avoid the growth of overslaugh grass.
The bank protecting method of the technical program is rock matter layer 1 for the bottom, and top is the side slope type of soil layer 2, and the planting of employing given birth to band and the linked network combined biological bank protecting method of sowing grass seeds by duster.In bottom rock matter layer 1 side slope part, directly form one deck ecology bag 5 surface layers with ecology bag 5 trapezoidal bonds in the domatic outside, growth by these ecology bag 5 implants comes green side slope, the domatic ecological recovery of the common composition of ecology bag 5 greening backings and rock decay layer system is in order to keep for a long time the stable of rock slope.Soil layer 2 side slope parts in top utilize hydraulic to carry out the large tracts of land grass-seed of sowing grass seeds by duster, Rapid Establishment lawn after the linked network.Along with the growth of grass, its bank protection function can constantly strengthen, and is alleviating effect that domatic unstability and erosion hazard bring into play with increasing, and stable side slope and beautifying the environment to a certain extent.
Claims (8)
1. one kind is that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that the top of described side slope is soil layer (2), and the bottom of side slope is rock matter layer (1), and this bank protecting method may further comprise the steps:
101. arrangement side slope: remove the foreign material on side slope surface, so that the side slope surfacing;
102. side slope is carried out foundation construction: the step excavation that at first carries out the side slope face with excavation machinery by 5 meters-6 meters classifications, secondly at the toe place of side slope barricade (7) is set, in ground proterties and barricade (7) height change place settlement joint (9) is set, clog elastic water-proofing material (10) in the slit of settlement joint (9), corner arranges reinforcement at barricade (7), in barricade (7) inside gutter (11) is set; Then a side that deviates from side slope at barricade (7) arranges sough (12); Utilize subsequently excavation machinery between soil layer (2) and rock matter layer (1), to excavate a halfpace (3), and in halfpace (3) inboard ditch (4) is set; On the top, slope of side slope catchwater (13) is set at last;
103. rock matter layer (1) surface in side slope assembles ecology bag (5);
104. the surperficial linked network of soil layer (2) in side slope;
Vegetation and maintenance 105. sow grass seeds by duster on the soil layer (2) of side slope and rock matter layer (1) surface;
Described step 104 may further comprise the steps:
1041. lay three dimensional network (14) on soil layer (2) surface; Three dimensional network (14) laying of taking advantage of a situation from top to bottom along soil layer (2) surface, one side and soil layer (2) Surface Contact that three dimensional network (14) is level and smooth, the top of three dimensional network (14) is fixed on the side slope top, and the middle part of three dimensional network (14) and bottom are anchored in the soil layer (2) with U-shaped steel nail (6);
1042. backfill planting soil (8): at first before backfill, planting soil (8) is carried out airing, pulverizes, sieves and remove diameter greater than 25 millimeters particle, then at the surperficial backfill planting soil of soil layer (2) (8), so that planting soil (8) is fair with the convex surface of three dimensional network (14), and guarantee domatic smooth-goingly, at last planting soil (8) is carried out compaction treatment.
According to claimed in claim 1 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that, in described step 102, barricade (7) is made by plain concrete, and strength grade of concrete is more than or equal to C15, and the substrate of barricade (7) is adverse grade, the gradient of adverse grade is less than 0.2:1.0, the end face width of barricade (7) is greater than 300mm, and the embeded depth of foundation of barricade (7) is greater than 0.3m, and the shrinkage joint spacing of barricade (7) is between 10 meters to 15 meters; The width of settlement joint (9) is between 20 millimeters to 30 millimeters, and the filling degree of depth of elastic water-proofing material (10) is greater than 150mm.
According to claimed in claim 1 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that described step 103 may further comprise the steps:
1031. ecology bag (5) filling operation: to first ecology bag (5) charging, whole ecology bag (5) forms three-dimensional shape, then to this ecology bag (5) sealing, then this ecology bag (5) is weighed, and record its weight; According to first the charging after ecology bag (5) be sample, all the other ecology bags (5) are feeded;
1032. sandbag bag filling operation: to first husky bag sand, whole sandbag forms three-dimensional shape, then to this sandbag sealing, then this sandbag is weighed, and records its weight; Be sample according to the sandbag of first dress behind sand, to all the other husky bag sands;
1033. assemble ecology bag (5) and sandbag: at first at rock matter layer (1) from bottom to top, assemble ecology bag (5) and the sandbag of having feeded, whenever after assembling 4-5 layer ecology bag (5), assemble above it one deck sand pocket, then above sand pocket, continue up to assemble 4-5 layer ecology bag (5), re-lay one deck sand pocket, so circulation is until halfpace (3) is located; Vertically between the adjacent ecology bag (5), perhaps adopt levels fissure of displacement arrangement between vertical adjacent ecology bag (5) and the sandbag, then junction button is fixed between the laterally adjacent ecology bag (5) or between the sandbag, and between vertical adjacent ecology bag (5) or between ecology bag (5) and the sandbag, at last in the space of ecology bag (5) and rock matter layer (1), and fill up compacting with cohesive soil in the space of sandbag and rock matter layer (1).
According to claimed in claim 3 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that, in the described step 1033, after having laid the ecology bag of the bottom (5), the junction button that will connect bottom ecology bag (5) with holdfast or stainless steel lag screws is fixed on the hard interface.
According to claimed in claim 3 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that, in the described step 1033, be in the ecology bag (5) of lower floor or sandbag lay finish after, tamp first processing, carry out again the laying of upper strata ecology bag (5) or sandbag.
According to claimed in claim 1 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that described step 105 may further comprise the steps:
Heavy real soil layer: whole side slope is watered permeable, with heavy real soil layer;
Cleaning: outer surface and planting soil (8) removing surface on the soil layer (2) of the ecology bag (5) of rock matter layer (1) is clean;
Blowing: the seed of vernalization, fibre object, water-loss reducer, adhesive, fertilizer materials are put in the water tank;
Add water: the material of putting into water tank is dissolved in water, forms the hydrotrope;
Stir: open engine the hydrotrope in the water tank is stirred, it is fully stirred evenly;
Sow grass seeds by duster: start spray seeder, the hydrotrope is sprayed onto domatic and ecology bag (5) surface of soil layer (2); Centrifugal pump is pressed into flexible pipe with the hydrotrope when sowing grass seeds by duster, and from the tube head ejection, evenly sows grass seeds by duster, and every tank has sprayed, and should in time add the water of 1/4 tank, and circulation idle running;
Overlay overburden: to the place bedding nonwoven that has sprayed, nonwoven is fixed with bamboo let;
Water and afforest management: determine comprehensively that according to weather, soil, plant variety habit vegetation waters; When treating that grass grows to 3 ㎝, open nonwoven.
According to claimed in claim 6 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that, in the described step of sowing grass seeds by duster: laterally sow grass seeds by duster by stick when sowing grass seeds by duster, and sow grass seeds by duster successively from top to bottom, and spout is with domatic vertical when sowing grass seeds by duster, spout and domatic vertical distance are sprayed 4-6m at 0.8-1.0m at every turn; Repeat first the overlapping 2m of sowing grass seeds by duster when continuing to sow grass seeds by duster; The place of sowing grass seeds by duster forbids trampling.
According to claimed in claim 2 be that soil layer, bottom are the bank protecting method of the side slope of rock matter layer based on top, it is characterized in that described elastic water-proofing material is the pitch hemp cut.
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| CN 201110301274 CN102444134B (en) | 2011-10-09 | 2011-10-09 | Slope protecting method based on slope with soil layer as upper part and rock layer as lower part |
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| JP3079246B2 (en) * | 1995-07-13 | 2000-08-21 | 太平洋セメント株式会社 | Slope green retaining wall |
| CN101012644A (en) * | 2007-01-08 | 2007-08-08 | 陈春红 | Slope type ecological revetment with retaining wall |
| CN100510278C (en) * | 2007-07-24 | 2009-07-08 | 江西省公路管理局 | Ecological protection method for sand-filling road foundation hollow block |
| CN201132963Y (en) * | 2007-12-05 | 2008-10-15 | 深圳市民泰绿景环保科技有限公司 | Flexible ecological slope retaining wall structure |
| KR100959828B1 (en) * | 2007-12-17 | 2010-06-01 | (주)고려일렉트릭 | A vegetation slope structure |
| CN101622931B (en) * | 2008-07-10 | 2012-03-21 | 浙江交通职业技术学院 | Greening sloping surface for rock side slope facing wall and construction method thereof |
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