CN106480892A - Grass planting protective slope structure and construction method suitable for mountainous area highway rock side-slope - Google Patents

Grass planting protective slope structure and construction method suitable for mountainous area highway rock side-slope Download PDF

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Publication number
CN106480892A
CN106480892A CN201610940620.2A CN201610940620A CN106480892A CN 106480892 A CN106480892 A CN 106480892A CN 201610940620 A CN201610940620 A CN 201610940620A CN 106480892 A CN106480892 A CN 106480892A
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CN
China
Prior art keywords
slope
grid screen
duster
grid
grass seeds
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Pending
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CN201610940620.2A
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Chinese (zh)
Inventor
王安鑫
刘书羽
王哲淳
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China Construction Sixth Engineering Division Co Ltd
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China Construction Sixth Engineering Division Co Ltd
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Priority to CN201610940620.2A priority Critical patent/CN106480892A/en
Publication of CN106480892A publication Critical patent/CN106480892A/en
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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

Abstract

The invention discloses a kind of grass planting protective slope structure and construction method suitable for mountainous area highway rock side-slope:Including the anchor pole of side slope surface, termination point of anchor rod is equipped with grid screen, and grid screen offers implantation hole, and grid screen is coated with organic group sheet material layers, and plantation in the hole plantation has xylophyta, and organic group sheet material layers kind is implanted with herbaceous plant;Finishing side slope surface, marks anchor pole hole site, drilling, borehole cleaning, inserts anchor rib, cement injection mortar, reinforcing steel bar frame muscle in length and breadth is welded in anchor rib termination, colligation grid screen, grid screen open up implantation hole, organic substrate of sowing grass seeds by duster, thickness of sowing grass seeds by duster is higher than grid, sow grass seeds by duster grass seeds, the plantation in the hole plantation xylophyta of grid screen, maintenance.The present invention rock side-slope is quickly carried out greening realize permanent protect, have obvious ecological benefits and economic benefit, with larger promotional value, it is adaptable to stability of slope, wash away slight, ratio of slope and delay in 1:The organic substrate Spray turfing construction of prevention work of 0.5 stone matter execavated rockmass.

Description

Grass planting protective slope structure and construction method suitable for mountainous area highway rock side-slope
Technical field
The present invention relates to a kind of safeguard procedures of rock side-slope, in particular, are to be related to one kind to be applied to highways in mountain areas The grass planting protective slope structure of highway rock side-slope and construction method.
Background technology
The features such as construction of highway has irreversible, duration length, coverage wide to the destruction of the ecosystem, and As infrastructure construction is extended to mountain area and outlying district, rock slope protection and greening will be one and inevitably ask Topic.
Content of the invention
The invention aims to overcoming deficiency of the prior art, provide a kind of suitable for mountainous area highway stone matter The grass planting protective slope structure of side slope and construction method, are protected using organic substrate Spray turfing, rock side-slope are quickly afforested Permanent protection is realized, has obvious ecological benefits and economic benefit, with larger promotional value.
The purpose of the present invention is achieved through the following technical solutions.
The grass planting protective slope structure suitable for mountainous area highway rock side-slope of the present invention, including being uniformly fixed on Slope The anchor pole in face, the anchor pole expose termination and are equipped with grid screen, and the grid screen offers implantation hole, and the grid screen is coated with Organic group sheet material layers, the plantation in the hole plantation have xylophyta, and the organic group sheet material layers kind is implanted with herbaceous plant.
The anchor pole exposes termination and is provided with the reinforcing steel bar frame muscle in length and breadth for fixed railing grid.
The anchor pole includes anchor rib and the cement sand bed being wrapped in outside anchor rib.
Suitable for the construction method of the grass planting protective slope structure of mountainous area highway rock side-slope, comprise the following steps:
(1) side slope surface, mark anchor pole hole site are repaired;
(2) drilled by the anchor pole hole site for having marked, reached borehole cleaning after the projected depth of bolthole, insertion anchoring Muscle, cement injection mortar;
(3), after cement mortar reaches design strength, reinforcing steel bar frame muscle in length and breadth is welded in anchor rib termination;
(4) by transverse and longitudinal reinforcing steel bar frame muscle together with grid screen colligation, implantation hole is opened up on grid screen;
(5) sowed grass seeds by duster organic substrate using dry sprayig process, thickness of sowing grass seeds by duster is higher than grid;
(6) sow grass seeds by duster grass seeds toward organic substrate, and the plantation in the hole in grid screen plants xylophyta;
(7) non-woven fabrics, maintenance are covered.
Compared with prior art, the beneficial effect brought by technical scheme is:
(1), in the present invention, after the completion of organic substrate is sowed grass seeds by duster, careless, wooden root system mutually grows have been constructed tightly with grid Network structure, and with anchor pole, in length and breadth reinforcing steel bar frame muscle coordinate constructed jointly side slope surface stereoscopic protective system, it is ensured that base material Resistance to overturning;
(2), in the present invention, organic substrate not only has very strong drought resistance, and with very strong viscosity, so as to ensure Good combination with rock slope;The interior cohesiveness of the intensity, matrix of base material ensure that the homeostasis of matrix, and by with Grid combines to form one layer of firm overcoat;The good water conservation of base material, water absorbing capacity, can provide for the early growth of plant Required nutrient;After vegetation shaping using its flourishing root system net will be domatic on grass, base material is tightly connected with rock, is allowed to shape Become complete entirety, and then complete domatic greening is protected, and combine together with environment;
(3) organic substrate Spray turfing protection of the present invention has compared to other protection and quickly recovers domatic ecology, purifies Air, reduce noise, improve road surface subenvironment, improve and form the feature of comfort level;
(4) working procedure of the present invention is simple, and short construction period, to save artificial, cost relatively low, meets current people to strengthening The theory of ecological environmental protection.
Description of the drawings
Fig. 1 is the structural representation of grass planting protective slope structure in the present invention;
Fig. 2 is the scheme of installation of bolt portion in the present invention.
Reference:1 anchor pole;1-1 anchor rib;1-2 cement sand bed;2 xylophytas;3 herbaceous plant;The 4 main systems of taproot; 5 sides, the system of fibrous root;6 grid screens;7 reinforcing steel bar frame muscle in length and breadth;8 boltholes;9 side slope surfaces;10 organic group sheet material layers.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As depicted in figs. 1 and 2, the grass planting protective slope structure suitable for mountainous area highway rock side-slope of the present invention, including The anchor pole 1 of side slope surface 9 is uniformly fixed on, and the anchor pole 1 includes anchor rib 1-1 and the cement being wrapped in outside anchor rib 1-1 Screed 1-2.The anchor pole 1 exposes termination and is provided with reinforcing steel bar frame muscle 7 in length and breadth, and the muscle of reinforcing steel bar frame in length and breadth 7 is equipped with grid screen 6, the grid screen 6 offers implantation hole, and the grid screen 6 is coated with organic group sheet material layers 10, and the plantation in the hole plantation has wood This plant 2,10 kinds of the organic group sheet material layers are implanted with herbaceous plant 3.
Suitable for the work progress of the grass planting protective slope structure of mountainous area highway rock side-slope, specially:
(1) preparation of construction
The preparation of material:1. it is 16 anchor rib 1-1 of HRB335 Φ that anchor pole 1 is internal, it is desirable to which anchor rib 1-1 surface is straight, no Corrosion;2. the injecting paste material of anchor pole 1 selects M30 cement mortar, and sand in aggregate employing, using satisfactory water quality, it is impossible to make Use sewage;3. 1 material property testing of anchor pole, reinforcement property test, the examination of fine aggregate performance test, cement mortar mix ratio are carried out Test;4. grid 6 adopts 50mm*50mm galvanized wire mesh, and carries out rain-proof, moistureproof specification storage work;5. planting soil is that have Machine base material is sowed grass seeds by duster the material having the call in operation, the place that reasonable selection fetches earth, it is ensured that the supply of planting soil;6. organic The construction of engineering sowed grass seeds by duster by base material and maintenance is required for using water, it is therefore desirable to guarantee the timely supply with water, scene adopts sprinkling truck Supply construction water;7. organic substrate material also includes the materials such as adhesive, water-loss reducer, fertilizer, fiber, grass-seed.Root before construction Material is prepared sufficient according to 9 demand of side slope surface, purchase money need to have the quality testing certificate of competency march into the arena use.
Operating condition:1. goods and materials are equipped with, situ configuration generator, iodine-tungsten lamp etc., it is ensured that power-off and night shift construction can be normal Carry out;2. conscientiously check whether specifications of raw materials model, kind and quality meet design requirement before constructing;3. construction is built just Road, it is ensured that machinery and goods and materials approach corridor are unimpeded;4. before constructing, domatic surface dust, boulder will be removed.
(2) drilling and borehole cleaning
1., before drilling, according to design requirement and soil layer condition, 8 position of bolthole is determined, is made a mark;2. scope of operation field Ground is flat, solid, consolidates, and side slope surface 9 will carry out finishing and remove surface dust and boulder;3. after rig is in place, be according to side slope Drilling machine is accurately fixed in 8 position of bolthole of domatic 9 measuring, notes adjusting equipment angle during construction, makes 8 direction of bolthole vertical In side slope surface 9;4. a diameter of 40mm of bolthole 8, and drilled dry is required, forbid to use water drilling, for guaranteeing the depth of bolthole 8, real Border drilling depth is required more than projected depth 0.2m;5. in drilling process, rationally grasp rate of penetration, prevent burying, All kinds of drilling accidents such as bit freezing, once there is the bad phenomenon such as collapse hole, shrinkage cavity, it is necessary to stop boring, carry out grouting for braced wall process in time, Again spud in after cement mortar initial set;6. meeting in bolthole 8 has artesian water to flow out, and can install after hydraulic pressure, the water yield diminish Anchor rib 1-1 and grout injection layer of sand 1-2, suitable position arranges osculum process around if necessary, or is sealed using slip casting The methods such as stifled, secondary drilling process the water body of accumulation in bolthole 8;7. after the depth for reaching bolthole 8, using high pressure air pressure gun Scum silica frost in bolthole 8 and at 8 mouthfuls of bolthole, dust and water is removed, notices that borehole cleaning should be from bottom hole to aperture, enter from top to bottom OK, after the completion of borehole cleaning, should be by 8 mouthfuls of temporarily closure of bolthole, it is to avoid miscellaneous bits debris are entered in bolthole 8;8. complete will be for borehole cleaning After supervising engineer's passed examination, anchor rib 1-1 can be inserted.
(3) make and insertion anchor rib 1-1
1. anchor rib 1-1 will have special storehouse to be stacked, it is to avoid pollution and corrosion;2. anchor rib 1-1 is adopted 16 steel bar meter of HRB335 Φ is made, including 3 meters and 2 meters of two kinds of length, by the anchor rib 1-1 arranged for interval opposite side of two kinds of length Slope domatic 9 is reinforced;When 3. anchor rib 1-1 is laid, anchor rib 1-1 distortion should be prevented, bent, if hole is found in installation course Wall caves in, and will throw again hole, and borehole cleaning, till it can smoothly send into anchor rib 1-1.
(4) bolthole 8 pours into cement mortar
1. cementing operations are carried out using M30 cement mortar, is prepared in strict accordance with match ratio;2. slurries should be stirred all Even, sieve, with stirring with slurries should be finished before initial set, and grouting pipeline will keep clear, and Grouting Pipe is with the injection of cement mortar Slowly at the uniform velocity extract, and reduce pressure at 8 mouthfuls of bolthole, pine is depressed into zero;Anchor rib 1-1 quilt has been noticed that whether in tube drawing at any time should Situation about taking out of, if having, should be pressed into till not taking out of again;In grouting it is noted that checking grouting pump, pipeline and connecing The firmness of head, prevents slurries and goes out casualty accident;3. grouting amount can not be less than amount of calculation, if after there is slurries hardening The phenomenon of bolthole 8 can not be full of, benefit slurry should be carried out in time;After slip casting terminates, should be by anchor rib 1-1 termination, Grouting Pipe, slip casting Rifle and slip casting sleeve pipe are cleaned up, while carrying out slip casting record;4. after cement mortar reaches design strength (no less than 28d), Carry out pullout tests self-inspection, self-inspection rate 5%, pullout tests sampling observation is carried out after self-inspection is qualified, sampling observation rate is 1% and is no less than three Root, sampling observation is qualified can to carry out next process.
(5) reinforcing steel bar frame muscle 7 is welded in length and breadth
1. reinforcing steel bar frame muscle 7 adopts 12 reinforcing bar of Ф in length and breadth, by reinforcement welding in anchor rib 1-1 termination bending place;2. steel in length and breadth Muscle frame muscle 7 is straight, no substantially concavo-convex fluctuating, it is ensured which is not less than 4cm with 9 minimum spacing of side slope surface;3. reinforcing bar in length and breadth Frame muscle 7 will not be rocked when carrying out linked network and sowing grass seeds by duster, is not fallen off with anchor rib 1-1 termination firm welding.
(6) grid 6 is hung
1. grid 6 adopts galvanized wire mesh, and mesh size is 50mm*50mm;2. to check before linked network grid 6 whether There are corrosion, disrepair phenomenon, if there is replacing in time;3. during linked network, grid screen 6 will be tensed, and minimum lap width is not less than 20cm, lattice Aperture plate 6 keeps the gap of 4-5cm together with 7 colligation of reinforcing steel bar frame muscle in length and breadth with side slope surface 9, and the domatic projection of portion is not In the case of can guarantee that gap, spacer should be added between grid 6 and side slope surface 9;4. interlock on side slope surface 9 and cut off The square hole of 50cm × 50cm as implantation hole, to plant the xylophytas such as shrub 2.
(7) dry sprayig process is sowed grass seeds by duster organic group sheet material layers 10
1. organic substrate compound will be sieved, and debris in soil and stone are weeded out, and bulk soil is smashed and sieved, aqueous Amount is unsuitable excessive, generally should be smaller than 20%, and such as water content should be dried greatly;2. organic substrate compound is mixed first with mixer With uniform, such as soil overdrying, can add suitable quantity of water, and mixing and stirring standard can be agglomerating for being held by hand soil, unclamp landing and scatter, and base material is with mixing With spray;3. organic substrate of sowing grass seeds by duster for the first time is sowed grass seeds by duster using dry sprayig process, and planting soil transports to dry spraying machine, air compressor machine after proportionally mixing Connect with dry spraying machine, under the powerful blast of air compressor machine, organic substrate is uniformly sowed grass seeds by duster on side slope surface 9, in dry spraying machine Nozzle is added water with other equipment, is allowed to sowing grass seeds by duster in moistening, pellet shape on side slope surface 9;4., when dry spraying machine is sowed grass seeds by duster, sow grass seeds by duster Thickness beyond the outer 2cm of grid, and will be less than 5cm, and shower nozzle is vertically sowed grass seeds by duster away from domatic 1.5 meters or so, it is to avoid face upward spray, water Pressure is appropriate, is suitably adjusted according to the situation for spraying organic substrate compound and moves water valve;5. just spray, without grass seeds, is only carried out organic Base material is sowed grass seeds by duster, and minimum sows grass seeds by duster thickness not less than 6cm, checks thickness of sowing grass seeds by duster when sowing grass seeds by duster at any time;It is noted that injection pipe when 6. sowing grass seeds by duster Smoothed out as far as possible puts, and reduces bend, prevents pipeline by organic substrate abrasion rupture;7. every cubic metre of organic substrate institute of dry sprayig process With material weight, 1 is shown in Table:
1 dry sprayig process list of ingredients of table
(8) sow grass seeds by duster grass seeds
1. grass seed selection will select to be suitable for the high-quality grass seeds of this area growth, side according to local climate situation and vegetation character The domatic eminence in slope adopts xylophyta, and lower adopts herbaceous plant, will consider that species is different, can be general blue or green and main in Various Seasonal The system of taproot 4 and the mixed plant of side, 5 prosperity of the system of fibrous root;2. using spray seeder by the grass-seed for mixing, adhesive, fertilizer, water conservation Agent, string, planting soil and water are configured to viscous paste and are ejected in organic group sheet material layers 10, it is noted that can not omit during injection And repetition, xylophyta 2 (shrub etc.) individually plants the plantation in the hole in grid screen 6, it is desirable to which 2 seedling quantity of xylophyta is often put down Square rice is no less than 3 plants, is to ensure that each the plantation in the hole of survival rate grid 6 plants 3 plants;3. nonwoven is covered after the completion of sowing grass seeds by duster in time Cloth, it is 20g/ that non-woven fabrics selects specification, and non-woven fabrics can decompose for 90 days under natural environment completely, and residual Wu any harmful substance Stay, cover non-woven fabrics and can play a part of moisturizing, insulation and protection against erosion, application bamboo nail is fixed on Slope during non-textile mulch Face, bamboo nail can select length for 15cm have section or 18cm nothing section bamboo nail, must not note and stay seam, after non-textile mulch it should be noted that Observation germination and growing state, due to the special characteristics of non-woven fabrics, after the completion of construction, it is not necessary to remove, make which in plant and The lower weathering of external environment effect;4. slurry sows grass seeds by duster method per cubic meter of water institute added material counterweight, is shown in Table 2:
2 liquid spray list of ingredients of table
(9) conserve
So that maintenance is nebulized with water with high-pressure sprayer when 1. conserving, domatic base material mixture is equably moistened, note control Make shower nozzle and domatic distance and translational speed, in case high-pressure spray water slug domatic formed runoff wash away base material mixture and Seed, impact germination;2. in 3~5cm, Seedling Stage is gradually increased the control of germination period depth of wetted soil according to the development of root system of plant 5~8cm, but will control and will not form interflow in base material mixture, base material mixture small particles and leaching loss nutrient is corroded, Destroy nutrient balance;3. after the general sprayed construction of processed seed, one month interior energy basically forms stable domatic plant Quilt, overall curing time are 45 days or so, and twice, sooner or later respectively once, the curing time in morning should in the morning 10 points for maintenance daily Completed in the past, it is to avoid under strong sunlight, carry out wet curing, in order to avoid seedling leaves of burning, in hot-dry season, daily 1~2 maintenance should be increased, moisten 1~2cm every time.
Although the present invention is described above, but the invention is not limited in this, and above-mentioned specific embodiment is only It is schematic rather than restricted, one of ordinary skill in the art can also be made a lot of under the enlightenment of the present invention Form, these are belonged within the protection of the present invention.

Claims (4)

1. the grass planting protective slope structure of mountainous area highway rock side-slope is applied to, it is characterised in that including being uniformly fixed on side slope Domatic anchor pole, the anchor pole expose termination and are equipped with grid screen, and the grid screen offers implantation hole, and the grid screen is covered There are organic group sheet material layers, the plantation in the hole plantation has xylophyta, and the organic group sheet material layers kind is implanted with herbaceous plant.
2. the grass planting protective slope structure suitable for mountainous area highway rock side-slope according to claim 1, it is characterised in that The anchor pole exposes termination and is provided with the reinforcing steel bar frame muscle in length and breadth for fixed railing grid.
3. the grass planting protective slope structure suitable for mountainous area highway rock side-slope according to claim 1, it is characterised in that The anchor pole includes anchor rib and the cement sand bed being wrapped in outside anchor rib.
4. the claims 1~3 are applied to the construction method of the grass planting protective slope structure of mountainous area highway rock side-slope, and which is special Levy and be, comprise the following steps:
(1) side slope surface, mark anchor pole hole site are repaired;
(2) drilled by the anchor pole hole site for having marked, borehole cleaning after the projected depth of bolthole is reached, anchor rib is inserted, filled Water filling cement mortar;
(3), after cement mortar reaches design strength, reinforcing steel bar frame muscle in length and breadth is welded in anchor rib termination;
(4) by transverse and longitudinal reinforcing steel bar frame muscle together with grid screen colligation, implantation hole is opened up on grid screen;
(5) sowed grass seeds by duster organic substrate using dry sprayig process, thickness of sowing grass seeds by duster is higher than grid;
(6) sow grass seeds by duster grass seeds toward organic substrate, and the plantation in the hole in grid screen plants xylophyta;
(7) non-woven fabrics, maintenance are covered.
CN201610940620.2A 2016-10-25 2016-10-25 Grass planting protective slope structure and construction method suitable for mountainous area highway rock side-slope Pending CN106480892A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023024A (en) * 2017-04-25 2017-08-08 湖北工业大学 A kind of road slope reinforcing and processing method based on axis and root system slip casting
CN107853052A (en) * 2017-11-17 2018-03-30 栾川枫景园林工程有限公司 A kind of rock side-slope is quickly administered and afforests and beautifies method
CN109757275A (en) * 2019-02-15 2019-05-17 山西省第五地质工程勘察院 High gradient slope rock covers green middle species breeding technique
CN111472368A (en) * 2020-04-08 2020-07-31 卢鑫 Flexible ecological slope protection method

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CN105484275A (en) * 2016-01-12 2016-04-13 中国电建集团贵阳勘测设计研究院有限公司 Reinforcing and anchoring ecological restoration system for high and steep waste slag side slope of wind power plant in mountainous area
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107023024A (en) * 2017-04-25 2017-08-08 湖北工业大学 A kind of road slope reinforcing and processing method based on axis and root system slip casting
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CN109757275A (en) * 2019-02-15 2019-05-17 山西省第五地质工程勘察院 High gradient slope rock covers green middle species breeding technique
CN111472368A (en) * 2020-04-08 2020-07-31 卢鑫 Flexible ecological slope protection method

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