CN205012180U - Environmental anti - packet mode geogrid adds muscle tail ore sand road bed - Google Patents
Environmental anti - packet mode geogrid adds muscle tail ore sand road bed Download PDFInfo
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- CN205012180U CN205012180U CN201520681359.XU CN201520681359U CN205012180U CN 205012180 U CN205012180 U CN 205012180U CN 201520681359 U CN201520681359 U CN 201520681359U CN 205012180 U CN205012180 U CN 205012180U
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Abstract
The utility model discloses an environmental anti - packet mode geogrid adds muscle tail ore sand road bed belongs to the road bed technical field among the civil engineering. This road bed from bottom to up is sand gravel bed course, two -way geogrid, tail ore sand road bed main part in proper order, completely spreads one -way geogrid and closing cap layer, and the domatic department of road bed both sides is equipped with the one -way geogrid of anti - packet mode, and the one -way geogrid layering level of anti - packet mode is laid to the road bed internally, turns over in the anti - package of a slope geogrid adoption packing planting soil and plant seeds's packing straw bag conduct and wraps the earth bag. The utility model discloses has the domatic function of carrying out ecological recovering and keeping beautifying the environment to slope, this subgrade stability nature is high, practice thrift take up an area of, disease -resistant evil can the reinforce, construction and upkeep charges are low, can realize engineering construction and ecological protection, beautify characteristics such as environmental facies harmony.
Description
Technical field
The utility model belongs to the roadbed technical field in civil engineering, particularly relates to a kind of environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed.
Background technology
China is Global Mining Industry big country, and Solid Mineral exploitation total scale is at the forefront in the world.A large amount of Environmental Problems in Mines is created while the valuable mineral resources of acquisition.Distinct issues are that solid waste is many, Mine ecology destroys and the problem such as mine geological environment.At the beginning of 2014 China only registered Tailings Dam be 12655, mine tailing accumulates total amount more than 10,000,000,000 tons, and annual newly-increased mine tailing more than 600,000,000 ton.Mine tailing is piled up and is not only taken a large amount of soils, and tailings facilities causes huge threat to downstream people's life and property safety.Current China comprehensive utilization of tailing rate is only about 12%, and a large amount of mine tailings can only be deposited in Tailings Dam for a long time.Developing rapidly and significantly increasing mineral products demand along with modern industrialization, To Mining Development scale strengthens thereupon, and discharge, the accumulating amount of mine tailing are increasing.The mine tailing stored up in a large number causes many harm to mining industry, environment and economic dispatch, brings tremendous influence to mine and ecological environment around.
Adopt CHARACTERISTICS OF TAILINGS SAND to be used as roadbed filling, can solve on the one hand mine tailing and pile up land occupation and the problem that there is potential safety hazard, also can reduce subgrade construction needs to fetch earth and consumes the problem in soil simultaneously, is conducive to the land resources of saving China's preciousness; By adopting geogrids reinforced earth technology can optimize CHARACTERISTICS OF TAILINGS SAND filler roadbed section, improve project benefit and technique effect further.Along with China's large-scale road equipment construction at present, this technology can consume CHARACTERISTICS OF TAILINGS SAND stock in a large number, optimize engineering services surrounding enviroment simultaneously, realize the harmony of engineering construction and ecological recovery, environmental landscape, be conducive to realizing the engineering construction target of " resource-conserving, environmentally friendly ".
Geo-grid is embedded in the earth structure that can form composite force in roadbed body, thus improve subgrade strength and stability, improve subgrade deformation performance, there is investment reduction, improve the advantages such as workmanship, constructability, Optimum Path based structures, be therefore widely applied in subgrade construction in recent years.
Along with social progress and engineering development, existing subgrade construction has a negative impact to periphery ecosystem environment and is day by day taken seriously, and roadbed design construction is still needed and will be considered the problem of periphery ecological environmental protection and beautification of landscape.Roadbed side slope exposed in traditional construction not only welding and also be vulnerable to rain drop erosion cause soil erosion, even slump destroy, and traditional engineering protection measure cost is high, maintenance cost is high and be unfavorable for the realization of environmental landscape, therefore vegetative protection is carried out to roadbed side slope thus realize the direction that ecological recovery and environmental landscape effect are development at present.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed; have the advantages that ecological recovery and maintenance to be carried out to roadbed side slope surface, beautifies the environment; this subgrade stability is high, disease resistance ability is strong, maintenance costs is low, the harmony of can realize engineering construction and ecological protection, beautifying the environment.
For solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed, this roadbed is followed successively by sand-gravel cushion, direction earthwork grille, CHARACTERISTICS OF TAILINGS SAND roadbed main body from bottom to top, completely spreads unidirectional geo-grid and capping layer, the domatic place of roadbed both sides is provided with the unidirectional geo-grid of anti-package formula, the unidirectional geo-grid level of anti-package formula is laid and is extended in roadbed body, adopts the filling straw bag of filling planting soil and vegetable seeds as anti-package earth bag at roadbed slope geo-grid anti-package place.
The technical scheme taked further, filling straw bag adopts straw braiding to form, the planting soil of inner filling organic substrate, water-loss reducer, fertilizer, agricultural chemicals composition and vegetable seeds, vertical line space design value between the unidirectional geo-grid of adjacent two layers anti-package formula is 300mm/ layer, fill straw bag and be embedded in anti-package place between the unidirectional geo-grid of roadbed slope place adjacent two layers anti-package formula and compacting, every compacting one deck fills straw bag, the fill gaps CHARACTERISTICS OF TAILINGS SAND filler between the filling straw bag of this layer of both sides.
The technical scheme taked further, capping layer is for mixing grey clay, and capping layer compacted depth design load is 400mm, and capping layer arranges the gradient of 1.5% ~ 2% by alignment both sides in roadbed, mixes the abundant mixture that grey clay is 2% ~ 5% slaked lime and clay.
The technical scheme taked further, the thickness of sand-gravel cushion is not less than 500mm, and sand-gravel cushion changes along road-trend and fills out, and its width should exceed roadbed side slope toe and be not less than 1000mm.
The technical scheme taked further, spacing between the unidirectional geo-grid of adjacent two layers anti-package formula is equal, the unidirectional geo-grid of anti-package formula is divided into two kinds: a kind of is the unidirectional geo-grid of long anti-package formula, design length is for being not less than 4500mm, lower length >=3000mm, domatic director degree≤500mm, top anti-package director degree >=1000mm; One is the unidirectional geo-grid of short anti-package formula, and design length is 3500mm, and bottom is length 2000mm, domatic director degree≤500mm, top anti-package place >=1000mm; Wherein, the unidirectional geo-grid of one deck long anti-package formula is laid every the two or three layers short unidirectional geo-grid of anti-package formula.
The technical scheme taked further, unidirectional geo-grid all adopts high density polyethylene material, and direction earthwork grille adopts polypropylene material.
The beneficial effect adopting technique scheme to produce is:
One, adopt and fill straw bag and do the inclusion enclave at geo-grid anti-package place, straw bag is cheap, easy construction, saving material and cost, reduction difficulty of construction, improve speed of application; Fill in straw bag the vegetable seeds adopting planting soil and adapt to engineering location Climate Conditions, vegetation ecological bank protection is formed after a period of time, subgrade construction and slope vegetation protection are integrated, improve the stability of bank protection, the harmony of reach engineering construction and ecological protection, beautifying the environment, the time of also minimizing postorder ecological recovery, greening simultaneously and expense, the maintenance costs reducing the later stage is low;
Two, roadbed adopts CHARACTERISTICS OF TAILINGS SAND to make roadbed filling, can save Tailings Dam and take up an area, reduce because roadbed filling excavates the land resources consumption of fetching earth simultaneously in a large number while minimizing mine tailing deposit potential hazard;
Three, roadbed top adopts that mix grey clay capping layer and arrange outside certain slope then can water conservancy diversion precipitation, ooze under reducing precipitation, capping layer adopts the unidirectional geo-grid of full paving of mixing grey clay and bottom setting thereof can improve roadbed top stress performance, average stress strains, thus is conducive to improving subgrade stability, reducing subgrade defect generation;
Four, change after adopting completely clear table bottom roadbed and fill out graded sand gravel blanket, avoid the problems such as the inhomogeneous deformation caused because substrate is bad, this bed course strength and modulus is all comparatively large simultaneously, is conducive to the support to its top CHARACTERISTICS OF TAILINGS SAND roadbed main body;
Five, employing anti-package formula geogrids reinforced earth structure obviously can improve the ess-strain performance in CHARACTERISTICS OF TAILINGS SAND roadbed body, improves its stability, or strengthens the roadbed side slope gradient, reaches the object of saving and taking up an area, reducing engineering quantity, saving construction cost;
Six, the unidirectional geo-grid for anti-package adopts two kinds of length, both can guarantee the engineering properties such as the safety and stability of roadbed, also can save materials'use simultaneously.
Accompanying drawing explanation
Fig. 1 is the concrete structure schematic diagram of the utility model roadbed section;
In figure: 1, capping layer; 2, unidirectional geo-grid is completely spread; 3, straw bag is filled; 4, the unidirectional geo-grid of long anti-package formula; 5, the unidirectional geo-grid of short anti-package formula; 6, direction earthwork grille; 7, sand-gravel cushion; 8, CHARACTERISTICS OF TAILINGS SAND roadbed main body.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
The utility model is environmental roadbed, i.e. the structure that is integrated of ecological recovery, landscape effect and subgrade construction.Fill the part of straw bag 3 as roadbed, do not need on bank protection, to plant vegetation again after subgrade construction completes, bank protection is protected and afforests, roadbed uses CHARACTERISTICS OF TAILINGS SAND as engineering raw material, reduce again the labour cost that row carries out slope protection greening cost, there is the domatic ecological recovery of roadbed side slope and maintenance, the feature of beautifying the environment, thus reach engineering construction and ecological protection, the harmony of beautifying the environment, realize " resource-conserving, environmentally friendly " construction object, the environmental practice of construction limit, this limit greening decreases the roadbed slope exposed time, decrease the secondary pollution stirred up a cloud of dust.
Concrete structure is shown in Figure 1, this roadbed is followed successively by sand-gravel cushion 7, direction earthwork grille 6, CHARACTERISTICS OF TAILINGS SAND roadbed main body 8 from bottom to top, completely spreads unidirectional geo-grid 2 and capping layer 1, the domatic place of roadbed both sides is provided with the unidirectional geo-grid of anti-package formula, the unidirectional geo-grid level of anti-package formula is laid and is extended in roadbed body, adopts the filling straw bag 3 of filling planting soil and vegetable seeds as anti-package earth bag at roadbed slope geo-grid anti-package place.During construction, change after strictly showing clearly roadbed substrate and fill out graded sand gravel blanket 7, this sand-gravel cushion 7 is positioned at below design ground surface, lays direction earthwork grille 6 thereon again after grinding compacting, CHARACTERISTICS OF TAILINGS SAND filler roadbed main body 8 is positioned at direction earthwork grille more than 6, answers placement in layers, every layer of 300mm, the unidirectional geo-grid of anti-package formula is pressed the horizontal stretch-draw of the vertical road-trend of length direction and is laid, lay according to every layer of 300mm, should guarantee between the unidirectional geo-grid of levels anti-package formula that reliable connection is jointly stressed, the unidirectional geo-grid of anti-package formula can play the stressed effect of reinforcement in roadbed main body 8, namely the composite force form of structure of reinforced earth is formed, thus improve the security and stability of roadbed side slope, retrain its lateral deformation, can be roadbed side slope at anti-package place provides initial stage protective action simultaneously, in order to strengthen the stability of roadbed, the unidirectional geo-grid of anti-package formula is divided into two kinds: a kind of is the unidirectional geo-grid 4 of long anti-package formula, calculating according to roadbed side slope stability requirement the design length determined is 4500mm, lower length >=3000mm, domatic director degree≤500mm, top anti-package director degree >=1000mm, one is the unidirectional geo-grid 5 of short anti-package formula, and design length is 3500mm, and lower length is 2000mm, domatic director degree≤500mm, top anti-package place >=1000mm, wherein, the unidirectional geo-grid 4 of one deck long anti-package formula is laid every the two or three layers short unidirectional geo-grid of anti-package formula 5, adopt at unidirectional geo-grid anti-package place and fill straw bag 3 as inclusion enclave, straw bag 3 planted agent adopts the planting soil mixed plant seed preferably to fill, unidirectional geo-grid and straw bag 3 successively should lay filling construction according to compacted depth 300mm/ layer, fill after roadbed top completely spreads unidirectional geo-grid 2 and mix grey clay capping layer 1, should guarantee in construction capping layer 1 have from inside to outside 1.5% ~ 2.0% the gradient.
Require to further illustrate to roadbed laying technology below.
1, show clearly and change back-up sand gravel blanket 7 and construct: changing and fill out the degree of depth and should be not less than below roadbed substrate design absolute altitude 500mm, should remove after excavation changes the thing such as rubble of all kinds of rubbish in the scope of filling out, plant roots and stems fallen leaves and other organic matter, bulk strict, carry out leveling to excavation face to roll, just can carry out corresponding changing after reaching corresponding Compaction and fill out operation.The graded broken stone that grating is good, intensity is high, modulus is large, weatherability is strong should be adopted to fill out raw material as changing of bed course, sand-gravel cushion 7 should select heavy type or vibrating type rolling apparatus to guarantee compaction quality, compacting back pad layer answers surfacing, closely knit, meets the requirement such as bearing capacity and degree of compaction.Change the bed course filled out to extend to outside CHARACTERISTICS OF TAILINGS SAND roadbed side slope toe at width and be no less than 1000mm.Bed course through after the assay was approved again stretch-draw thereon fix, lay direction earthwork grille 6.
2, geo-grid selection and laying require: direction earthwork grille 6 selects polypropylene (PP) material; Unidirectional geo-grid should adopt high density polyethylene (HDPE) (HDPE) material.Wherein unidirectional geo-grid is owing to need play the stressed effect of reinforcement, therefore should require that the indexs of correlation such as its tensile strength are determined in calculating according to the security and stability of CHARACTERISTICS OF TAILINGS SAND roadbed and distortion etc., adopt the unidirectional geo-grid of same specification for convenience of construction suggestion as far as possible.The laying of geo-grid requires as follows:
(1) when the scope of operation reaches Compaction and surfacing time just can lay geo-grid, forbidding to lay in the scope of operation has thin projections; During laying unidirectional grid length direction, direction that its reinforcement intensity is high should perpendicular to embankment axis; Geo-grid should lay smooth corrugationless, is fixed in surface of banketing after should adopting artificial or machinery tension with measures such as U-shaped nails;
(2) geo-grid should determine its cutting length according to the size of design length and supply material, reduce the connection in main stress direction as far as possible, as connected, special pitman should be adopted to process at the cross rib place of unidirectional geo-grid, to guarantee that junction does not become stressed weak link; Should mutually overlap between horizontal adjacent grid, and its lap width should not be less than 150mm;
(3) geo-grid is after stretch-draw is fixing, can carry out placement grinding operation, for reducing the adverse effect of construction factor suffered by grid, should have the filler being no less than 150mm thickness, plant equipment should be avoided directly to roll geo-grid between compaction plane and muscle material;
(4) the unidirectional geo-grid of length for anti-package all should guarantee that it is involved in CHARACTERISTICS OF TAILINGS SAND roadbed main body 8 inside and is greater than 1000mm, and should reserve cross rib with by reliably connecting between pitman and its last layer grid in anti-package end in the above by reasonable cutting.
3, straw bag 3 and construction thereof is filled: as the domatic place of roadbed side slope, the inclusion enclave in unidirectional geo-grid anti-package position.Fill straw bag should by fresh, have the material knittings such as the straw of certain length and intensity, wheat straw to form, filling planting soil and vegetable seeds after can form the inclusion enclave that length, width and height are 1000 × 500 × 500mm.Fill straw bag 3 and should possess certain intensity to adapt to construction requirement, avoid occurring disrepair phenomenon in carrying, roller compaction construction process;
(1) fill straw bag 3 be layed in unidirectional geo-grid anti-package place, fill CHARACTERISTICS OF TAILINGS SAND filler between the filling straw bag 3 with layer both sides, with layer fill straw bag 3 fill after and CHARACTERISTICS OF TAILINGS SAND compacting thickness be 300mm.
(2) filling between straw bag 3 to adopt plastic tape etc. to carry out colligation connection, adopts unidirectional geo-grid to carry out anti-package operation again, and should give fixed operation after the abundant stretch-draw of geo-grid after reaching compacting criteria.
4, planting soil and vegetable seeds are selected: the planting soil of filling in straw bag 3 and vegetable seeds should meet following requirement:
Planting soil should by mix be no more than 20% sand clay as matrix, add the water-loss reducer of corresponding proportion, compound fertilizer, adhesive, water, disease and insect resistance medicament Homogeneous phase mixing form, the kind of filling material and ratio comprehensively should be determined according to factors such as the weather of locality, humiture and curing conditions;
(2) vegetable seeds should according to ecological recovery and environmental landscape requirement, the on-site natural conditions of incorporation engineering determine vegetation type and mixed seeding proportioning: generally should have stronger cold-resistant drought-enduring and diseases and insect pests resistance to adapt to engineering location condition, should consider that the vitality of plant is to reduce late maintaining expense simultaneously.The grass filling type vegetative protection mode that suggestion adopts herbs and shrubs plant to combine, collocation has the legume of fixed nitrogen fertilizer-preserving ability.Common shrub slope protection plant has: false indigo, locust tree, sea-buckthorn, the twigs of the chaste tree, mountain green soy bean etc.; Draft slope-protecting plant has: alfalfa, Festuca Arundinacea, vetiver, prairie milk vetch, rye grass etc.
5, ecological slope protection maintenance measure: initial curing and two stages of routine servicing can be divided into
(1) initial curing: certainly completing the construction of this type roadbed filling, to survive to the vegetable seeds in straw bag and possess certain ecological effect be the initial curing stage.Initial curing should guarantee vegetable seeds emergence rate and normal growth, and root system of plant plays solid native protective action, and plant stem-leaf can play ecological recovery and landscape effect.Therefore should strengthen in conjunction with weather conditions work such as applying fertilizer, water, because vegetable seeds wrapped up by straw bag 3, the impact therefore generally can not washed away by precipitation;
(2) routine servicing: can proceed to the routine servicing stage when plant stem-leaf can cover unidirectional geo-grid anti-package place substantially, mainly stresses to prune, waters, applies fertilizer, the aspect such as the prevention and control of plant diseases, pest control, individual other places are reseeded, control of weeds.Due to now root system of plant can play fixation, cauline leaf can cover side slope surface therefore basically form stable phytobiocoenose and ecological environment, weather and Environmental variations have stronger compliance and possess certain capacity of self-regulation to external world, and therefore routine servicing workload is less.
6, the construction of grey clay capping layer is mixed: CHARACTERISTICS OF TAILINGS SAND roadbed main body 8 top arranges the unidirectional geo-grid of full paving 2 and mixes grey clay capping layer 1.When completely spreading unidirectional geo-grid 2 after placement grinding to design elevation in the scope of operation, should make the main stress direction of geo-grid perpendicular to roadbed axially, fixing after stretch-draw.Should guarantee that anti-package geo-grid is connected with completely to spread between grid reliable.Fill on the grid top of full paving compacted depth be 400mm mix grey clay capping layer, its medium-slaking lime additive ratio is 2% ~ 5%, vertically should outwards be arranged the gradient of 1.5% ~ 2.0% by roadbed center line by road-trend, be beneficial to draining.
7, CHARACTERISTICS OF TAILINGS SAND filler roadbed main body 8 is constructed: adopt CHARACTERISTICS OF TAILINGS SAND to carry out filling compacting, be 400mm through field trial determination virtual resurfacing thickness, be 300mm/ layer after compacting.Should note being formed between roadbed side slope domatic place straw bag 3 uniform height fill the laying in the scope of operation of layer and unidirectional geo-grid and stretch-draw is fixed.
Foregoing is summed up general principle of the present utility model, principal character, construction method etc., and this new-type embankment structure contributes to the construction object realizing " resource-conserving, environmentally friendly ".Wherein adopt CHARACTERISTICS OF TAILINGS SAND roadbed filling can reduce Tailings Dam storage to weaken potential danger, to save its accumulation land occupation area, reduce the phenomenon consuming land resources in general subgrade engineering because fetching earth; The earth structure adopting geo-grid and CHARACTERISTICS OF TAILINGS SAND to form composite force can improve subgrade stability, retrain it be out of shape, and optimization roadbed section is to reduce floor space and saving embankment engineering quantity; Adopt anti-package formula geo-grid to be reinforced roadbed side slope surface and to protect, thus raising slope stability and anti-precipitation washes away and the ability of wind erosion, the filling straw bag simultaneously wrapped up for it provides support protection; Filling planting straw bag that is native and vegetable seeds is adopted to do the form of structure that the domatic filling body of roadbed side slope can avoid adopting clay bound edge, most importantly the growth by straw bag implants realizes vegetation Green Protection, beautifies effect of optimization and reduces maintenance costs simultaneously reaching the domatic ecological recovery of roadbed side slope and environmental landscape.In sum, the utility model road structure has content freshness, construction and maintenance costs cheap, the effect that engineering construction and ecological environment benefit are laid equal stress on can be realized, therefore there is wide application and popularization value.
Claims (6)
1. an environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed, it is characterized in that, this roadbed is followed successively by sand-gravel cushion (7), direction earthwork grille (6), CHARACTERISTICS OF TAILINGS SAND roadbed main body (8) from bottom to top, completely spreads unidirectional geo-grid (2) and capping layer (1), the domatic place of roadbed both sides is provided with the unidirectional geo-grid of anti-package formula, anti-package formula unidirectional geo-grid layering level is laid and is extended in roadbed body, adopts the filling straw bag (3) of filling planting soil and vegetable seeds as anti-package earth bag at roadbed slope geo-grid anti-package place.
2. environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed according to claim 1, it is characterized in that, filling straw bag (3) adopts straw braiding to form, inner filling organic substrate, water-loss reducer, fertilizer, the planting soil of agricultural chemicals composition and vegetable seeds, vertical line space design value between the unidirectional geo-grid of adjacent two layers anti-package formula is 300mm/ layer, fill straw bag (3) and be embedded in anti-package place between the unidirectional geo-grid of roadbed slope place adjacent two layers anti-package formula and compacting, every compacting one deck fills straw bag (3), fill gaps CHARACTERISTICS OF TAILINGS SAND filler between the filling straw bag (3) of this layer of both sides.
3. environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed according to claim 1, it is characterized in that, capping layer (1) is for mixing grey clay, capping layer (1) design compacted depth is 400mm, capping layer (1) arranges the gradient of 1.5% ~ 2% by alignment both sides in roadbed, mixes the abundant mixture that grey clay is 2% ~ 5% slaked lime and clay.
4. environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed according to claim 1, it is characterized in that, the thickness of sand-gravel cushion (7) is not less than 500mm, and sand-gravel cushion (7) changes along road-trend to be filled out, and its width should exceed roadbed side slope toe and be not less than 1000mm.
5. environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed according to claim 1, it is characterized in that, spacing between the unidirectional geo-grid of adjacent two layers anti-package formula is equal, the unidirectional geo-grid of anti-package formula is divided into two kinds: a kind of is the unidirectional geo-grid of long anti-package formula (4), design length is not less than 4500mm, lower length >=3000mm, domatic director degree≤500mm, top anti-package director degree >=1000mm; One is the unidirectional geo-grid of short anti-package formula (5), and design length is 3500mm, and lower length is 2000mm, domatic director degree≤500mm, top anti-package place >=1000mm; Wherein, one deck unidirectional geo-grid of long anti-package formula (4) is laid every the two or three layers short unidirectional geo-grid of anti-package formula (5).
6. environmental anti-package formula Fill Reinforced With Geogrids CHARACTERISTICS OF TAILINGS SAND roadbed according to claim 1, it is characterized in that, unidirectional geo-grid all adopts high density polyethylene material, and direction earthwork grille (6) adopts polypropylene material.
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| CN201520681359.XU CN205012180U (en) | 2015-09-06 | 2015-09-06 | Environmental anti - packet mode geogrid adds muscle tail ore sand road bed |
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| CN201520681359.XU CN205012180U (en) | 2015-09-06 | 2015-09-06 | Environmental anti - packet mode geogrid adds muscle tail ore sand road bed |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192986A (en) * | 2016-07-26 | 2016-12-07 | 杭州超华市政园林工程有限公司 | A kind of method of limestone improvement refuse soil |
| CN107524469A (en) * | 2017-07-25 | 2017-12-29 | 中南大学 | A kind of gently inclined orebody paneling barren rock and the cementing combination filling method of tailings |
| CN108330993A (en) * | 2018-04-16 | 2018-07-27 | 中冶（贵州）建设投资发展有限公司 | A kind of rock-fall proof flexible ecological earth embankment and its construction method |
| CN108708239A (en) * | 2018-07-28 | 2018-10-26 | 新疆维吾尔自治区交通规划勘察设计研究院 | One kind returning packet mode TGXG Steep Slope Embankment structure and construction method |
| CN111005278A (en) * | 2019-12-23 | 2020-04-14 | 重庆交通大学 | Local reinforced embankment, construction method and rapid repairing and reinforcing method thereof |
| CN111441211A (en) * | 2020-04-10 | 2020-07-24 | 中铁六局集团天津铁路建设有限公司 | Composite roadbed structure made of carbon soft rock and geosynthetic material |
| CN112042307A (en) * | 2020-09-14 | 2020-12-08 | 云南农业大学 | Ecological isolation ridge and construction method thereof |
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2015
- 2015-09-06 CN CN201520681359.XU patent/CN205012180U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106192986A (en) * | 2016-07-26 | 2016-12-07 | 杭州超华市政园林工程有限公司 | A kind of method of limestone improvement refuse soil |
| CN107524469A (en) * | 2017-07-25 | 2017-12-29 | 中南大学 | A kind of gently inclined orebody paneling barren rock and the cementing combination filling method of tailings |
| CN107524469B (en) * | 2017-07-25 | 2019-05-28 | 中南大学 | A kind of gently inclined orebody paneling barren rock and the cementing combination filling method of tailings |
| CN108330993A (en) * | 2018-04-16 | 2018-07-27 | 中冶（贵州）建设投资发展有限公司 | A kind of rock-fall proof flexible ecological earth embankment and its construction method |
| CN108708239A (en) * | 2018-07-28 | 2018-10-26 | 新疆维吾尔自治区交通规划勘察设计研究院 | One kind returning packet mode TGXG Steep Slope Embankment structure and construction method |
| CN111005278A (en) * | 2019-12-23 | 2020-04-14 | 重庆交通大学 | Local reinforced embankment, construction method and rapid repairing and reinforcing method thereof |
| CN111441211A (en) * | 2020-04-10 | 2020-07-24 | 中铁六局集团天津铁路建设有限公司 | Composite roadbed structure made of carbon soft rock and geosynthetic material |
| CN112042307A (en) * | 2020-09-14 | 2020-12-08 | 云南农业大学 | Ecological isolation ridge and construction method thereof |
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