CN201746828U - Geogrid enclosed type reinforced road embankment - Google Patents
Geogrid enclosed type reinforced road embankment Download PDFInfo
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- CN201746828U CN201746828U CN2010202972240U CN201020297224U CN201746828U CN 201746828 U CN201746828 U CN 201746828U CN 2010202972240 U CN2010202972240 U CN 2010202972240U CN 201020297224 U CN201020297224 U CN 201020297224U CN 201746828 U CN201746828 U CN 201746828U
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Abstract
The utility model belongs to the technical field of railway construction, specifically relates to a geogrid enclosed type reinforced road embankment solves the problem that various retaining walls in the prior railway engineering dont meet the engineering requirement. The geogrid enclosed type reinforced road embankment includes a plurality of layers of geogrids that are inlaid on the foundation from bottom to top, soil is filled between each layer of geogrid, the slope of the embankment is piled with woven bags pressed on and enclosed by the geogrids as well as filled with plantation soil. The geogrid enclosed type reinforced road embankment of the utility model solves the problems of cultivated land and investment saving and slope green protection, ensuring the integral stability of roadbed and being suitable for widely popularizing in engineering construction.
Description
Technical field
The utility model belongs to the technical field of railway construction, is specifically related to a kind of geo-grid packaging type reinforced soil embankment.
Background technology
Along with railway traffic welcomes great development one period from now on, realize that railway construction and ecological environmental protection coordinated development, the friendly sections of built environment road are the basic principles of railway construction.Present a large amount of gravity barricade, light-duty barricades that use on the engineering, structures such as stake board wall are the cost height not only, and construction is complicated, and ubiquity is not attractive in appearance, the problem that can not coordinate with surrounding landscape.
Summary of the invention
The utility model provides a kind of geo-grid packaging type reinforced soil embankment in order to solve the not problem of engineering demands of the existing various barricades of railway engineering.
The utility model adopts following technical scheme to realize:
A kind of geo-grid packaging type reinforced soil embankment, it is characterized in that comprising the several layers geo-grid of level laying from bottom to top on the ground, banket between each layer geo-grid, side slope of embankment place heap is established and is pressed on woven bag on the geo-grid and be full of planting soil by the filling that geo-grid is wrapped up.
The utility model has proposed classification and the evaluation method of the original sloping body shallow-layer of geotechnical slope according to domatic vegetation property first, has avoided being the blindness of slope vegetation protection engineering design; Replenished the plant variety resources bank of railway slope vegetative protection perfect, provided plant variety reasonable disposition method based on the on-site weather of sloping body and vegetation environmental and rock and soil properties; Disclosed the succession rule of engineering vegetation, rule has provided the engineering of slope vegetation protection system enhancing durability thus.Proposed to be applicable to the complete project technology of railway slope vegetative protection.
The utlity model has following beneficial effect: compare with existing traditional roadbed side slope green vegetation guard technology, geo-grid packaging type reinforced soil embankment have save plough, reduce investment outlay, preserve the ecological environment, characteristics such as easy construction.Geo-grid packaging type reinforced earth vegetative protection more can be adapted to the characteristics of railway slope engineering at cutting and side slope of embankment slope vegetation protection technical elements, face upward aspect slope and station, the district's green channel side slope vegetation bank protection landscape design on the tunnel portal limit, be more suitable for the railway structure engineering characteristic.For railway construction and ecological environmental protection coordinated development, the friendly sections of built environment road, there is important environmental benefit aspect such as preserve the ecological environment.Can effectively prevent and treat the railway slope shallow-layer slip collapse, diseases such as slump, soil erosion, in disaster reduction and prevention, safeguard that there is important social benefit aspect such as traffic safety.Compare with engineering protections such as mortar flag stones with pneumatically placed concrete, good economic benefits is arranged.With respect to other form barricade, the packaging type reinforced soil embankment has the outstanding advantage in two aspects: the one, and it mainly brings the maintenance soil stabilization by a small amount of flexible anti-package muscle, does not excavate, do not need engineering equipment yet, therefore cost is quite low, and it is also very easy to construct, and the duration is short; The 2nd, the domatic of packaging type reinforced earth bulkhead can carry out greening operations such as wet method is sowed grass seeds by duster, linked network is sowed grass seeds by duster, bunch planting, transplanting shrub seedling easily, is easy to form green landscape, also can be harmonious with peripheral natural environment well.The utility model has solved the problem of saving arable land, investment and slope green environmental protection, has guaranteed the resistance to overturning of roadbed, can extensively promote in the engineering construction construction.
Description of drawings
Fig. 1 is a cross-sectional drawing of the present utility model
Among the figure: the 1-central lines of track, 2-geo-grid packaging type reinforced earth is domatic, the 3-geo-grid, the 4-filling is full of the woven bag of planting soil.
The specific embodiment
Fig. 1 is the representative cross-sectional drawing of geo-grid packaging type reinforced soil embankment, geo-grid packaging type reinforced soil embankment, the several layers geo-grid 3 that comprises level laying from bottom to top on the ground, banket between each layer geo-grid 3, side slope of embankment place heap establish be pressed on the geo-grid 3 and be full of the woven bag 4 of planting soil by the filling that geo-grid 3 is wrapped up, form geo-grid packaging type reinforced earth domatic 2 (hang geotechnological gauze pad sow grass seeds by duster grass planting).Be used to control the linking of each inter process in the whole process of construction, guarantee the resistance to overturning of roadbed body, the survival rate of slope green vegetative protection effectively guarantees the roadbed side slope safety and stability, and the construction demand has all been satisfied in its every design preferably.
Construction technology of the present utility model:
(1) preparation of construction: foreign material are also removed, smooth reinforcement zone, rammed subgrade in the excavation place.Check whether ground reaches the bearing capacity of design elevation and designing requirement.Must deal with for the ground that does not reach the designing requirement bearing capacity; Length according to designing requirement is cut geo-grid.
(2) geonet pouch dress planting soil: excavating soft planting soil and concentrate stacking, sieves with the 2cm mesh screen in cool solarization, broken back.Planting soil after the sieving geonet pouch of packing into is as planting soil.
(3) laying of geo-grid: the soil layer surface of laying geo-grid should be smooth, and hard ridge must not be arranged.The volume length direction of unidirectional geo-grid is perpendicular to central lines of track.The direction that intensity is high is arranged in the embankment cross-sectional direction, and reserves the length of turning back by designing requirement.Reinforcement length is on request laid geo-grid, and suitably fixing with staple, and staple generally is fixed in two width of cloth geo-grid lap-joints.Prevent banket and compacting process in produce slippage and folding.Geo-grid vertically adopts overlap joint, and lap length is not less than a node.Two-layer up and down overlapped points should be staggeredly arranged, and the distance that staggers is not less than 0.5m.Every layer of geo-grid wrapped up inflection in roadbed behind the geotechnological mesh bag, and adopts high density polychlorostyrene second geotechnique rod to connect into integral body with the upper strata grid, guarantees that junction intensity is not less than the body intensity of geo-grid material.
(4) filler, pave: along roadbed sideline pile geonet pouch, perpendicular to central lines of track, the pile height is 0.4m to the geonet pouch along length direction, adopts in the geonet pouch planting soil to fill, and closely knit with artificial beating.Facility and geonet pouch distance should not be less than 1.5m during discharging, and facility must not travel not covering on the geo-grid of filler.Filler should carry out the layering uniform thickness according to the vertical spacing of geo-grid and pave and compacting, and (the bilevel spacing of geo-grid is 0.4m, and every layer is banketed at twice and rolls.) should be less than 1.5m apart from the geonet pouch during paver operation, in geonet pouch 1.5m scope, using artificial paves.When filling, do not fill earlier in the geonet pouch 1.5m scope, bulldozer answers the parallel circuit center line by the working width operation in turn that draws near, and the progress of filling should be nearly geonet pouch place faster than geonet pouch far away place.
(5) filler rolls: should carry out compaction test before rolling.Determine filler layering paving thickness, number of rolling according to rolling compaction machine and filling property.Every layer of empty shop soil should not be greater than 250mm, and degree of compaction should meet design code.Outside geonet pouch 1000mm scope, filler adopts big-and-middle-sized vibratile compacter compacting, in geonet pouch 1000mm scope, adopts small-sized compacting machinary (5t is following) compacting, reduce the thickness of every layer of empty shop soil, and increase rolls number of times.Answer layered rolling, the general light earlier back of operating type is heavy, and the compacting order should progressively roll to the roadbed both sides earlier from the roadbed middle part, rolls near geonet pouch position again.Every layer of filler roller-compaction in time that finishes that paves, and check water content at any time, guarantee degree of compaction.During with small-sized compacting machinary (5t is following) compacting, earlier by gently pressing behind the geonet pouch, more progressively to the compacting of route center.When rolling at need, available hand compaction guarantees that the geonet pouch does not misplace.
(6) slope greening: adopt mixer that hybrid substrate is stirred.Consider the characteristics of base material, the mixing time of monobucket hybrid substrate is controlled at was advisable in 2～3 minutes.
Directly the mixed material of soil moved in to improve the original and grass seeds is sowed grass seeds by duster domatic on, need not to hang three dimensional network or wire gauze.Sowing grass seeds by duster once sows grass seeds by duster puts in place, need not spray at twice.Soil moved in to improve the original thickness is 3～5cm, need not spray too thickly, grid is covered both can.
Sow grass seeds by duster to spray in the construction progress and carry out from the front as far as possible, avoid facing upward spray, jog and dead angle part will give one's full attention to.Sow grass seeds by duster from left to right, direction is carried out from top to bottom, perhaps from right to left, direction is carried out from top to bottom.
Sow grass seeds by duster and carry out the transplanting work of shrub after finishing again.Can destroy former soil moved in to improve the original layer of sowing grass seeds by duster in the transplanting process, the care should be used to operation reduces the destruction to the soil moved in to improve the original layer as far as possible.Artificial speed of transplanting can artificially be controlled (being exactly tactics of human sea in fact), and therefore the grass length of suggestion on soil moved in to improve the original is transplanted after getting up again.
Geo-grid packaging type reinforced soil embankment achievement is having wide practical use aspect the ecological environmental protection of railway slope engineering.Geo-grid packaging type reinforced soil embankment have save ploughs, reduce investment outlay, preserve the ecological environment, characteristics such as easy construction, be used for being close to existing line and village more, be positioned at the smooth regional subgrade construction of ploughing.But also there are shortcomings such as greening side slope length curing period.
Geo-grid packaging type reinforced soil embankment construction except that being applicable to the railway slope engineering, but in industry slope projects such as highway, building, water power, mine also wide popularization and application.The no special condition of applying.Geo-grid packaging type reinforced soil embankment is to form firm compound mechanics interlocking system by the horizontal movement of the individual event compressive strain of the high-modulus inhibition foundation soil of geo-grid and control ground with by slope green protection vegetation root system and geotechnological gauze pad, geo-grid and planting soil, guarantees the resistance to overturning of roadbed.
Claims (1)
1. geo-grid packaging type reinforced soil embankment, it is characterized in that comprising the several layers geo-grid (3) of level laying from bottom to top on the ground, each layer geo-grid banketed between (3), and side slope of embankment place heap is established and is pressed on woven bag (4) on the geo-grid (3) and be full of planting soil by the filling of geo-grid (3) parcel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202972240U CN201746828U (en) | 2010-08-16 | 2010-08-16 | Geogrid enclosed type reinforced road embankment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202972240U CN201746828U (en) | 2010-08-16 | 2010-08-16 | Geogrid enclosed type reinforced road embankment |
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| Publication Number | Publication Date |
|---|---|
| CN201746828U true CN201746828U (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202972240U Expired - Fee Related CN201746828U (en) | 2010-08-16 | 2010-08-16 | Geogrid enclosed type reinforced road embankment |
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| Country | Link |
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| CN (1) | CN201746828U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953309A (en) * | 2012-11-09 | 2013-03-06 | 中铁六局集团天津铁路建设有限公司 | Method for constructing high-speed railway subgrade |
| CN103088833A (en) * | 2013-01-21 | 2013-05-08 | 中南大学 | Assembly-type ecological net face geogrid pulling-opposite-type supporting structure |
| CN104099937A (en) * | 2014-07-11 | 2014-10-15 | 河北省水利工程局 | Construction method allowing settlement period of high-fill refilling area to be effectively shortened |
| CN106758559A (en) * | 2017-01-12 | 2017-05-31 | 中铁二院工程集团有限责任公司 | A kind of high-speed railway silt, flour sand embankment structure and construction method |
| CN106917388A (en) * | 2017-03-14 | 2017-07-04 | 广东省长大公路工程有限公司 | The check dam and construction method of a kind of use Fill Reinforced With Geogrids modified cement soil clad |
| CN109235158A (en) * | 2018-09-19 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Railway high-filled embankment is wrapped up to pull-type stepped ramp type earth structure |
| 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 |
| CN116480367A (en) * | 2023-03-29 | 2023-07-25 | 国能经济技术研究院有限责任公司 | Construction method of integral type leveling reinforcement structure of roadway floor |
-
2010
- 2010-08-16 CN CN2010202972240U patent/CN201746828U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102953309A (en) * | 2012-11-09 | 2013-03-06 | 中铁六局集团天津铁路建设有限公司 | Method for constructing high-speed railway subgrade |
| CN103088833A (en) * | 2013-01-21 | 2013-05-08 | 中南大学 | Assembly-type ecological net face geogrid pulling-opposite-type supporting structure |
| CN104099937A (en) * | 2014-07-11 | 2014-10-15 | 河北省水利工程局 | Construction method allowing settlement period of high-fill refilling area to be effectively shortened |
| CN106758559A (en) * | 2017-01-12 | 2017-05-31 | 中铁二院工程集团有限责任公司 | A kind of high-speed railway silt, flour sand embankment structure and construction method |
| CN106917388A (en) * | 2017-03-14 | 2017-07-04 | 广东省长大公路工程有限公司 | The check dam and construction method of a kind of use Fill Reinforced With Geogrids modified cement soil clad |
| CN109235158A (en) * | 2018-09-19 | 2019-01-18 | 中铁二院工程集团有限责任公司 | Railway high-filled embankment is wrapped up to pull-type stepped ramp type earth structure |
| 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 |
| CN116480367A (en) * | 2023-03-29 | 2023-07-25 | 国能经济技术研究院有限责任公司 | Construction method of integral type leveling reinforcement structure of roadway floor |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110216 Termination date: 20130816 |