CN103924605A - Sash girder ecological slope protection structure and construction method thereof - Google Patents
Sash girder ecological slope protection structure and construction method thereof Download PDFInfo
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Abstract
The invention provides a sash girder ecological slope protection structure and a construction method of the sash girder ecological slope protection structure, and belongs to the field of environmental protection. The sash girder ecological slope protection structure comprises sash girders and anchor rods or anchor cables for fixing the sash girders, straw bags containing soil are stacked in each sash formed by the sash girders and are flush with the sash girders, the straw bags containing the soil are covered with plastic nets or metal nets and are fixed to the fixing anchor rods, and base layers and surface layers are arranged on the straw bags. The anchor cables or the anchor rods and the concrete sashes are arranged on a side slope firstly, then the straw bags filled with the planting soil are stacked in the sashes layer by layer, the straw bags are fixed through the plastic nets or the metal nets, finally, dry type spray seeding is carried out, and the base layers with straw-decomposing inoculants and the surface layers with plant seeds are formed. Plants grow out of the surface layers. The straw bags are used for replacing ecological bags which are made of high polymer materials and are frequently used in engineering, and manufacturing cost is greatly lowered. The structure is reasonable, the number of construction procedures is small, and the total construction period is short.
Description
Technical field
The present invention relates to a kind of sash beam ecological slope protection structure and construction method, belong to field of environment protection.
Background technology
A lot of side slopes need to be used anchor pole or the combination coagulated native frame gird type slope protection of anchor cable.Although this bank protection scheme can guarantee the stable of side slope, a lot of side slopes due to domatic be rock and very precipitous, lack the condition of plant growth, can not naturally afforest.This has caused destruction to view and ecological environment.
For the less side slope of the gradient, existing technology adopts the method for a dead lift land fill sash sowing, and some sash beam protective slope structures are afforested.And for the larger side slope of the gradient, for keeping soil, current technology adopts the method for piling up ecology bag in sash beam to afforest it more.While adopting the method, the general employing of plant worn a bag cuttage, and the sow grass seeds by duster mode of sowing of hydraulic pressure is planted.
The method of artificial muck haulage is low to sash beam protective slope structure greening efficiency, and can only be for soft side slope, and soil erosion also easily occurs before plant covers completely.Although pile up the greening method of ecology bag in sash beam, can utilize plant equipment, also be applicable to the large side slope of the gradient, early stage corrosion resistance is also fine.But the price of ecology bag is high; And due to ecology bag good endurance, intensity can keep many decades, its tiny hole later stage of surface is to the growth of root system of plant and penetrate unfavorablely, particularly can limit the penetrating of thicker root system of shrub or arbor.In fact, sash beam can be born the function of side slope protection completely, needn't provide assistance by ecology bag; Later stage plant cover completely domatic after, vegetation cover just can fine preventing erosion, ecology bag prevents that the function of the soil erosion also belongs to unnecessary.The durability that ecology bag is good there is no need under this occasion.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of anti-erosion needs that meet in early days, and the later stage is sash beam ecological slope protection structure and the construction method of limiting plant growth not.
The present invention first arranges by anchor cable or anchor pole and concrete sash in side slope, in sash, successively pile up again the straw bag of filling planting soil, with the fixing straw bag of plastic wire or wire lath, last dry type is sowed grass seeds by duster, and forms the basic unit of containing straw decomposing inoculant and the surface layer that contains vegetable seeds again.Plant grows from surface layer.
Sash beam ecological slope protection structure of the present invention, the anchor pole or the anchor cable that comprise sash beam and fixed frame lattice beam, in the sash forming at each sash beam, piled up and filled native straw bag to neat with sash Liangping, filling the basic unit of containing in addition straw decomposing inoculant on native straw bag and the surface layer that contains vegetable seeds, also comprise the plastic wire or the wire lath that fixedly fill native straw bag, plastic wire or wire lath are fixed on fixing anchor bar.
Described sash beam can be concrete frame lattice beam.
Groundwork thickness 1 cm, surface thickness 2-3 cm.
The bag that fills native straw bag is that straw is made.
Described wire lath can be zinc-plated net.
Basic unit is the mixture of loam, soil binder, straw decomposing inoculant and urea.Wherein soil binder accounts for 0.01-0.02%(volume ratio), straw decomposing inoculant consumption is 200-400 g/m
3, urea 900-1200 g/m
3.
Surface layer is comprised of cement, clay, river sand, organic matter, plant cover concrete green additive, vegetable seeds.
In every cube of surface layer, each component is:
Cement: 20-60L;
Clay: 720-830L;
River sand: 50-100L;
Organic: 60-100L;
Plant cover concrete green additive: 15-25L;
Vegetable seeds: 300g.
In mentioned component, cement is 325# Portland cement;
River sand is clean river sand, and particle size range is 1-2mm;
Organic matter is the mixture of vinasse or rice husk or crops stalk crushing particle or three's arbitrary proportion, and particle size is less than 20mm.
The product that plant cover concrete green additive is used the patent No. to provide for ZL201110380711.
Vegetable seeds is the mixing of grass seeds and shrub seeds, and wherein, grass seeds quality accounts for 20%, for Bermuda grass and rye grass mix in any proportion; Shrub seeds quality accounts for 80%, and shrub mixes in any proportion for spending more lily magnolia, false indigo, shrub lespedeza.
The work progress of sash beam ecological slope protection structure of the present invention is:
1) skyhook or anchor cable on domatic, fluid concrete sash beam, forms slope protection system, and fixing anchor bar is installed in side slope;
2) in straw bag, load after loam, with crane, by filling native straw bag, be lifted in each sash of concrete frame lattice beam formation, and pile up to flushing with sash beam;
3) plastic wire or wire lath are covered in and are filled on native straw bag, be fixed on the end of fixing anchor bar and anchor pole or anchor cable;
4) loam, soil binder, straw decomposing inoculant and urea is even with mixer mix, adopt dry type spraying broadcast mode to be sprayed on and fill on native straw bag, form basic unit;
5) cement, clay, river sand, organic matter, plant cover concrete green additive and vegetable seeds are even with mixer mix, adopt dry type spraying broadcast mode to be sprayed in basic unit, form surface layer.
For increasing domatic evergreen shrubs or shrub coverage scale, between step 3) and step 4), can also increase by a procedure: filling boring plantation evergreen shrubs or low dwarf tree seedling on native straw bag.
The ecology bag that the present invention uses straw bag to replace the macromolecular material in original technical scheme to make, can meet the requirement of water and soil conservation in early stage.After 6-12 month (now root system of plant can just pass surface layer), straw bag, under the effect of the microorganism of straw decomposing inoculant kind, rots to become fertilizer, not only can not hinder plant root growth, can also promote the development of root system of plant, and acceleration vegetal cover is domatic.Perfection of the present invention has solved the difficult problem that soil conservation in early stage and later stage root system of plant penetrate, until plant 100% cover domatic after, domatic water and soil conservation is just all born by plant.
Basic unit provided by the invention formula, has enough nitrogen elements and sufficient microorganism to supply with, and can create good conditions for the rotten of straw bag.And there is certain opposing soil erosion ability.
Surface layer formula provided by the invention, has good corrosion resistance, and Neng Yu basic unit bonds well, and does not produce be full of cracks and come off early stage, contributes to soil conservation and vegetation growth.
The present invention has used grass seeds and shrub, and early stage grass seeds can cover spray-up well, reduces soil erosion; After the later stage, shrub grew up, its root system, by the soil being deep in straw bag, forms the stable continuable ecosystem.Invention can also be planted evergreen shrubs or arbor, has improved slope landscape.
The present invention has following beneficial effect:
The ecology bag that the present invention uses straw bag to replace macromolecular material in original technical scheme to make, ecological, environmental protective more, price significantly reduces (reducing more than 90%).The present invention can significantly reduce construction costs.
When the present invention has realized bank protection, can in 10 days, make domaticly to see greenly, 3 months vegetal covers are realized and are all covered domaticly for 90%, 1 year afterwards, have realized quick ecological reparation and view and have rebuild.
Construction method of the present invention, mechanization degree is high, and labour intensity is little, and efficiency is high.Take full advantage of sash beam protective slope structure, rational in infrastructure, working procedure is few, and total duration is short.
The present invention's surface layer formula used has improved the formula of original plant cover concrete, is mainly improved to: increased river sand, reduced the consumption of cement, used Novel greening additive instead and reduced the consumption of additive.These measures can improve the porosity of spray-up, improve the spray-up degree that hardens, and reduce pH value, are conducive to quick growth of plant, have accelerated vegetation covering.And owing to having reduced the consumption of cement and additive, energy can be significantly cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of sash beam ecological slope protection structure.
The specific embodiment
As shown in Figure 1, sash beam ecological slope protection structure of the present invention, the anchor pole or the anchor cable 3 that comprise sash beam 2 and fixed frame lattice beam 2, in the sash forming at each sash beam 2, piled up and filled native straw bag 4 to concordant with sash beam 2, filling the basic unit 7 and the surface layer 8 that contains vegetable seeds of containing in addition straw decomposing inoculant on native straw bag 4, also comprise the plastic wire or the wire lath 5 that fixedly fill native straw bag 4, plastic wire or wire lath 5 are fixed on fixing anchor bar 6.
Straw bag is used Shandong ring skill straw rope straw bag process plants product.
The product that straw decomposing inoculant is used Kang Yuan oasis, Beijing biotech firm to produce.
Embodiment 1,
Basic unit is the mixture of loam, soil binder, straw decomposing inoculant and urea.Wherein soil binder accounts for 0.01%(volume ratio), straw decomposing inoculant consumption is 200 g/m
3, urea 900 g/m
3.
In every cube of surface layer, each component is:
Cement: 20L;
Clay: 830L;
River sand: 50L;
Organic: 85L;
Plant cover concrete green additive: 15L;
Cement is 325# Portland cement;
River sand is clean river sand, and particle size range is 1-2mm;
Organic matter is the mixing of vinasse and rice straw pulverized particles, and wherein vinasse volume accounts for 60%, and particle size is less than 20mm;
The product that plant cover concrete green additive is used the patent No. to provide for ZL201110380711;
Vegetable seeds is the mixing of grass seeds and shrub seeds, wherein, is Bermuda grass and each 30g of rye grass; Spend more lily magnolia, false indigo, each 80g of shrub lespedeza;
According to said ratio, work progress of the present invention is:
1) skyhook or anchor cable on domatic, fluid concrete sash beam, forms slope protection system, and fixing anchor bar is installed in side slope;
2) in straw bag, load after loam, with crane, by filling native straw bag, be lifted in each sash of concrete frame lattice beam formation, and pile up to flushing with sash beam;
3) plastic wire or wire lath are covered in and are filled on native straw bag, be fixed on the end of fixing anchor bar and anchor pole or anchor cable;
4) loam, soil binder, straw decomposing inoculant and urea is even with mixer mix, adopt dry type spraying broadcast mode to be sprayed on and fill on native straw bag, form basic unit;
5) cement, clay, river sand, organic matter, plant cover concrete green additive and vegetable seeds are even with mixer mix, adopt dry type spraying broadcast mode to be sprayed in basic unit, form surface layer.
Embodiment 2,
Basic unit is the mixture of loam, soil binder, straw decomposing inoculant and urea.Wherein soil binder accounts for 0.02%(volume ratio), straw decomposing inoculant consumption is 400 g/m
3, urea 1200 g/m
3.
In every cube of surface layer, each component is:
Cement: 60L;
Clay: 755L;
River sand: 100L;
Organic: 60L;
Plant cover concrete green additive: 25L;
Cement is 325# Portland cement;
River sand is clean river sand, and particle size range is 1-2mm;
Organic matter is vinasse and rice husk, respectively accounts for 50%(volume ratio), particle size is less than 20mm;
The product that plant cover concrete green additive is used the patent No. to provide for ZL201110380711;
Vegetable seeds is the mixing of grass seeds and shrub seeds, wherein, is Bermuda grass 10g, rye grass 50g; Spend more lily magnolia 100g, false indigo 70 g, shrub lespedeza 70g;
According to said structure and proportioning, work progress of the present invention is:
1) skyhook or anchor cable on domatic, fluid concrete sash beam, forms slope protection system, and fixing anchor bar is installed in side slope;
2) in straw bag, load after loam, with crane, by filling native straw bag, be lifted in each sash of concrete frame lattice beam formation, and pile up to flushing with sash beam;
3) plastic wire or wire lath are covered in and are filled on native straw bag, be fixed on the end of fixing anchor bar and anchor pole or anchor cable;
4) on straw bag, hole, plantation evergreen shrubs or low dwarf tree seedling;
5) loam, soil binder, straw decomposing inoculant and urea is even with mixer mix, adopt dry type spraying broadcast mode to be sprayed on and fill on native straw bag, form basic unit;
6) cement, clay, river sand, organic matter, plant cover concrete green additive and vegetable seeds are even with mixer mix, adopt dry type spraying broadcast mode to be sprayed in basic unit, form surface layer.
Embodiment 3,
Basic unit is the mixture of loam, soil binder, straw decomposing inoculant and urea.Wherein soil binder accounts for 0.02%(volume ratio), straw decomposing inoculant consumption is 300 g/m
3, urea 1000 g/m
3.
In every cube of surface layer, each component is:
Cement: 60L;
Clay: 720L;
River sand: 100L;
Organic: 100L;
Plant cover concrete green additive: 20L;
Cement is 325# Portland cement;
River sand is clean river sand, and particle size range is 1-2mm;
Organic matter is vinasse, and particle size is less than 20mm;
The product that plant cover concrete green additive is used the patent No. to provide for ZL201110380711;
Vegetable seeds is the mixing of grass seeds and shrub seeds, wherein, is Bermuda grass 40g, rye grass 20g; Spend more lily magnolia 100g, shrub lespedeza 140g;
According to said ratio, work progress of the present invention is:
1) skyhook or anchor cable on domatic, fluid concrete sash beam, forms slope protection system, and fixing anchor bar is installed in side slope;
2) in straw bag, load after loam, with crane, by filling native straw bag, be lifted in each sash of concrete frame lattice beam formation, and pile up to flushing with sash beam;
3) plastic wire or wire lath are covered in and are filled on native straw bag, be fixed on the end of fixing anchor bar and anchor pole or anchor cable;
4) on straw bag, hole, plantation evergreen shrubs or low dwarf tree seedling;
5) loam, soil binder, straw decomposing inoculant and urea is even with mixer mix, adopt dry type spraying broadcast mode to be sprayed on and fill on native straw bag, form basic unit;
6) cement, clay, river sand, organic matter, plant cover concrete green additive and vegetable seeds are even with mixer mix, adopt dry type spraying broadcast mode to be sprayed in basic unit, form surface layer.
Claims (10)
1. a sash beam ecological slope protection structure, it is characterized in that: the anchor pole or the anchor cable (3) that comprise sash beam (2) and fixed frame lattice beam (2), in the sash forming at each sash beam, piled up and filled native straw bag (4) to concordant with sash beam (2), on native straw bag (4), contain in addition the basic unit (7) of straw decomposing inoculant and the surface layer (8) that contains vegetable seeds filling, also comprise the plastic wire or the wire lath (5) that fixedly fill native straw bag (4), plastic wire or wire lath (5) are fixed on fixing anchor bar (6).
2. sash beam ecological slope protection structure according to claim 1, is characterized in that: described sash beam is concrete frame lattice beam.
3. sash beam ecological slope protection structure according to claim 1 and 2, is characterized in that: thickness 1 cm of basic unit (7), surface layer (8) thickness 2-3 cm.
4. sash beam ecological slope protection structure according to claim 1, is characterized in that: basic unit (7) is the mixture of loam, soil binder, straw decomposing inoculant and urea.
5. sash beam ecological slope protection structure according to claim 4, is characterized in that: wherein soil binder accounts for 0.01-0.02%(volume ratio), straw decomposing inoculant consumption is 200-400 g/m
3, urea 900-1200 g/m
3.
6. sash beam ecological slope protection structure according to claim 1, is characterized in that: surface layer (8) is comprised of cement, clay, river sand, organic matter, plant cover concrete green additive, vegetable seeds.
7. sash beam ecological slope protection structure according to claim 6, is characterized in that: in every cube of surface layer (8), each component is:
Cement: 20-60L;
Clay: 720-830L;
River sand: 50-100L;
Organic: 60-100L;
Plant cover concrete green additive: 15-25L;
Vegetable seeds: 300g.
8. sash beam ecological slope protection structure according to claim 7, is characterized in that: organic is the mixing of vinasse or rice husk or crops stalk crushing particle or three's arbitrary proportion, and particle size is less than 20mm;
The product that plant cover concrete green additive is used the patent No. to provide for ZL201110380711;
Vegetable seeds is the mixing of grass seeds and shrub seeds, and wherein, grass seeds quality accounts for 20%, for Bermuda grass and rye grass mix in any proportion; Shrub mixes in any proportion for spending more lily magnolia, false indigo, shrub lespedeza.
9. the construction method of sash beam ecological slope protection structure claimed in claim 1, is characterized in that following steps:
1) skyhook or anchor cable on domatic, fluid concrete sash beam, forms slope protection system, and fixing anchor bar is installed in side slope;
2) in straw bag, load after loam, with crane, by filling native straw bag, be lifted in each sash of concrete frame lattice beam formation, and pile up to flushing with sash beam;
3) plastic wire or wire lath are covered in and are filled on native straw bag, be fixed on the end of fixing anchor bar and anchor pole or anchor cable;
4) loam, soil binder, straw decomposing inoculant and urea is even with mixer mix, adopt dry type spraying broadcast mode to be sprayed on and fill on native straw bag, form basic unit;
5) cement, clay, river sand, organic matter, plant cover concrete green additive and vegetable seeds are even with mixer mix, adopt dry type spraying broadcast mode to be sprayed in basic unit, form surface layer.
10. construction method according to claim 9, is characterized in that, is also having a procedure between step 3) and step 4): filling boring plantation evergreen shrubs or low dwarf tree seedling on native straw bag.
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| CN104186233A (en) * | 2014-08-15 | 2014-12-10 | 申新山 | Frame beam slope greening method and frame beam slope greening facility |
| CN104314087A (en) * | 2014-11-05 | 2015-01-28 | 重庆建工市政交通工程有限责任公司 | Slope greening protective structure and construction method thereof |
| CN106962154A (en) * | 2017-04-17 | 2017-07-21 | 三峡大学 | Multipurpose slope vegetation restoration structure and method |
| CN107460884A (en) * | 2017-09-30 | 2017-12-12 | 中铁十六局集团第工程有限公司 | A kind of careless cage reinforcement spray-up ecological slope protection structure and its construction method |
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| CN104186233A (en) * | 2014-08-15 | 2014-12-10 | 申新山 | Frame beam slope greening method and frame beam slope greening facility |
| CN104314087A (en) * | 2014-11-05 | 2015-01-28 | 重庆建工市政交通工程有限责任公司 | Slope greening protective structure and construction method thereof |
| CN104314087B (en) * | 2014-11-05 | 2016-09-14 | 重庆建工市政交通工程有限责任公司 | A kind of side-slope greening and protection structure and construction method thereof |
| CN106962154A (en) * | 2017-04-17 | 2017-07-21 | 三峡大学 | Multipurpose slope vegetation restoration structure and method |
| CN107601980B (en) * | 2017-09-10 | 2020-04-24 | 湖南中大园林环境科技有限公司 | Cement reinforced and alkaline improved alien soil spray-seeding composite planting soil for slope protection, preparation and application |
| CN107601980A (en) * | 2017-09-10 | 2018-01-19 | 湖南中大园林环境科技有限公司 | A kind of cement enhancing and alkalescence improvement alien earth sparging composite plant for side slope protection is native, prepares and applies |
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| CN107963838B (en) * | 2017-09-10 | 2020-08-28 | 湖南中大园林环境科技有限公司 | Ecological spray anchor slope protection structure and method |
| CN107460884B (en) * | 2017-09-30 | 2023-06-02 | 中铁十六局集团第一工程有限公司 | Grass cage reinforcement spray layer ecological slope protection structure and construction method thereof |
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