CN202509511U - Protective structure for reinforcing high liquid limit soil side slope - Google Patents

Protective structure for reinforcing high liquid limit soil side slope Download PDF

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Publication number
CN202509511U
CN202509511U CN 201220125036 CN201220125036U CN202509511U CN 202509511 U CN202509511 U CN 202509511U CN 201220125036 CN201220125036 CN 201220125036 CN 201220125036 U CN201220125036 U CN 201220125036U CN 202509511 U CN202509511 U CN 202509511U
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CN
China
Prior art keywords
side slope
high liquid
slope
liquid limit
limit soil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn - After Issue
Application number
CN 201220125036
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Chinese (zh)
Inventor
陈尚勇
顾湘生
赵新益
孙红林
郭坚鸽
熊林敦
李丹
彭志鹏
沈伟升
朱先锋
吴成杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Railway Siyuan Survey and Design Group Co Ltd
Original Assignee
China Railway Siyuan Survey and Design Group Co Ltd
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Filing date
Publication date
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Priority to CN 201220125036 priority Critical patent/CN202509511U/en
Application granted granted Critical
Publication of CN202509511U publication Critical patent/CN202509511U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model discloses a protective structure for reinforcing a high liquid limit soil side slope. The protective structure comprises a slope body, a water intercepting framework, supporting seepage ditches, elevation drain holes and self-drilling type anchor rods, wherein the water intercepting framework is formed by main frameworks and branch frameworks which are arranged in a criss-cross mode and arranged in a net shape along a slope body surface, and shrubs and grasses are planted in each grid of the water intercepting framework; the supporting seepage ditches which penetrate through the slope body from the top of the slop body to the bottom of the slope body and are used for discharging underground water are arranged on the slope body surface; the elevation drain holes which extend into the slope body are arranged at the bottom of the slope body, and the inners of the elevation drain holes are higher than hole port portions; and the self-drilling type anchor rods which are fixed in the slope body are arranged in the middles of grids of the water intercepting framework. The protective structure for reinforcing the high liquid limit soil side slope has the advantages of being capable of effectively preventing superficial layers of the slope from sliding and collapsing and guaranteeing the stable of the slope and the coordinating with natural landscapes, and widely applicable to the technical field of geotechnical engineering.

Description

A kind of safeguard structure that is used to reinforce high liquid limit soil matter side slope
Technical field
The utility model relates to the geotechnical engineering technical field, particularly relates to a kind of safeguard structure that is used to reinforce high liquid limit soil matter side slope.
Background technology
In the geotechnical engineering in fields such as railway, highway, water conservancy, building, the ordinary soil side slope takes to put the protection mode of slope, a retaining or both combinations usually, to guarantee the stability of side slope.The high liquid limit soil transmission coefficient is lower, contains clay mineral compositions such as a large amount of montmorillonites, illite, kaolinite usually, and dry strength is high; Generally have weak dilatancy, suction back intensity sharply decays, under the rainfall situation; Shallow-layer often takes place and slips the disease of collapsing in the slope stability variation.Therefore, conventional means of defence can not guarantee the stability of the weak expansion soil-slope of high liquid limit, must take more effective safeguard procedures.
The utility model content
The purpose of the utility model is in order to overcome the deficiency of above-mentioned background technology, a kind of safeguard structure that is used to reinforce high liquid limit soil matter side slope to be provided, making it can prevent effectively that slope and land slide, assurance side slope superficial from slipping and collapsing, coordinate mutually with natural landscape.
A kind of safeguard structure that is used to reinforce high liquid limit soil matter side slope that the utility model provides; The skeleton that intercepts water that comprises sloping body, forms by a main framing of arranging in length and breadth and a skeleton, support sewer, face upward oblique drain hole and automatic anchor pole; The said skeleton that intercepts water is netted arrangement along slope surface, and every lattice intercept water and plant grass planting in the skeleton and irritate plant; Slope surface be provided be through to the end, slope from slope top be used to arrange phreatic support sewer; Be provided with the oblique drain hole of facing upward that stretches in the sloping body in sloping body bottom, the inside of facing upward oblique drain hole is higher than the position, aperture; Every lattice intercept water and are provided with the automatic anchor pole that is fixed in the sloping body in the middle of the skeleton.
In technique scheme, said support sewer bottom surface is a step surface, and every grade of step surface vertical face is provided with first loaded filter that underground water is passed through, and horizontally set can make water cross and impervious drain board from surface current; Support the sewer both sides and be provided with second loaded filter that underground water is passed through; In supporting sewer, be filled with slabstone and build the drainage blanket that forms by laying bricks or stones; Be provided with the confining bed of the water inflow that prevents the side slope surface on the surface of supporting sewer, be provided with outfall in the confining bed bottom.
In technique scheme, said first loaded filter and second loaded filter are double-layer structure, and internal layer is an ovum gravel loaded filter, outer all sand gravel loaded filters.
In technique scheme, said drain board and confining bed are mortar flag stone and build by laying bricks or stones and form.
In technique scheme, the thickness a=1.0~1.5m of said support sewer.
In technique scheme, said main framing is an arch with every lattice region shape that skeleton surrounded.
In technique scheme, said main framing is a herringbone with every lattice region shape that skeleton surrounded.
In technique scheme, vertically whenever be provided with the support sewer at a distance from 8~15 meters along sloping body.
In technique scheme, face upward oblique drain hole and stretch in the sloping body with 5~15 ° elevation angle β.
In technique scheme, to face upward oblique drain hole and be built-in with flexible porous tube, said flexible porous tube wall has aperture, is filled with medium coarse sand in the flexible porous tube.
The safeguard structure that is used to reinforce high liquid limit soil matter side slope of the utility model has following beneficial effect: plant the skeleton bank protection that intercepts water that is implanted with grass filling plant and can tackle surface water, prevent that surface water is to domatic washing away; Support sewer and can discharge in the side slope~deep underground water, face upward oblique drain hole and can discharge deep underground water; The automatic anchor pole that every lattice intercept water and are provided with in the skeleton can reach the purpose that side slope is reinforced in advance.So this safeguard structure that is used to reinforce high liquid limit soil matter side slope can prevent effectively that side slope superficial from slipping and collapse, guarantee stability of slope, keep the weak dilatancy soil-slope construction of high liquid limit and run during stability, and coordinate mutually with natural landscape.
Description of drawings
Fig. 1 is used to reinforce the structural front view of the safeguard structure of high liquid limit soil matter side slope for the utility model;
Fig. 2 is the structure sectional view at A-A place among Fig. 1;
Fig. 3 is the cage construction sketch map that intercepts water when the skeleton that intercepts water presents arch;
Fig. 4 is the cage construction sketch map that intercepts water when the skeleton that intercepts water presents herringbone;
Fig. 5 is the structure sectional view at B-B place among Fig. 1;
Fig. 6 is the structure sectional view at C-C place among Fig. 5;
Fig. 7 is the structure sectional view of flexible porous tube longitudinal section;
Fig. 8 is the structure sectional view in flexible porous tube cross section.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe in detail, but this embodiment should not be construed as the restriction to the utility model.
Referring to Fig. 1 to Fig. 2, the skeleton that intercepts water that the safeguard structure that the utility model is used to reinforce high liquid limit soil matter side slope comprises sloping body 1, is formed by a main framing of arranging in length and breadth 2 and a skeleton 3, support sewer 4, face upward oblique drain hole 5, automatic anchor pole 6 and grass filling plant 7.
The said skeleton that intercepts water is netted arrangement along sloping body 1, and every lattice intercept water and plant grass planting in the skeleton and irritate plant 7, plants to be implanted with grass and to irritate the skeleton bank protection that intercepts water of plant 7 and can tackle surface water, prevents that surface water is to domatic washing away.Be provided with on sloping body 1 surface be through to the end, slope from the top, slope be used to arrange phreatic support sewer 4, in the present embodiment, is provided with support sewer 4 at a distance from 8~15 meters along sloping body 1 is vertically every.Body bottom, slope is provided with the oblique drain hole 5 of facing upward that stretches in the sloping body 1; The inside of facing upward oblique drain hole 5 is higher than the position, aperture; In the present embodiment, face upward the aperture of oblique drain hole 5 and generally adopt 110mm, face upward oblique drain hole 5 and stretch in the sloping body 1 with 5~15 ° elevation angle β; At need should be less than 5 °, face upward that position, oblique drain hole 5 hole is arranged, length can be decided according to aquifer hydrology geological condition.Every lattice intercept water and are provided with the automatic anchor pole 6 that is fixed in the sloping body 1 in the middle of the skeleton, can reach the purpose that side slope is reinforced in advance.
Referring to Fig. 3, said main framing 2 is an arch with every lattice region shape that a skeleton 3 is surrounded.
Referring to Fig. 4, said main framing 2 is a herringbone with every lattice region shape that a skeleton 3 is surrounded.
Referring to Fig. 5 to Fig. 6, said support sewer 4 bottom surfaces are step surface, and every grade of step surface vertical face is provided with first loaded filter 4.1 that underground water is passed through; Horizontally set can make water cross and impervious drain board 4.2 from surface current, and the drain board 4.2 of bottom is the flowing water bottom surface, in the present embodiment; First loaded filter 4.1 is a double-layer structure; Internal layer is an ovum gravel loaded filter, and skin is the sand gravel loaded filter, and this structure can make support sewer 4 phreatic fine grained that stops simultaneously in deep in discharging sloping body 1 taken away by current; In optimum embodiment, each thick 0.15m of ovum gravel loaded filter and sand gravel loaded filter; Drain board 4.2 is built by laying bricks or stones for mortar flag stone and is formed, and the gradient α of drain board 4.2 is 4%.Support sewer 4 both sides and be provided with second loaded filter 4.3 that underground water is passed through, in supporting sewer 4, be filled with slabstone and build the drainage blanket 4.4 that forms by laying bricks or stones, the support sewer 4 that is arranged so that of drainage blanket 4.4 is unlikely to cave in because of the pressure of the soil layer of both sides; Owing to do not smear mortar between the slabstone of drainage blanket 4.4; So in the side slope that first loaded filter 4.1 and second loaded filter 4.3 leach~deep underground water can discharge via the gap between the slabstone and support sewer 4, in the present embodiment, supports the thickness a=1.0~1.5m of sewer 4; Second loaded filter 4.3 is a double-layer structure; Internal layer is an ovum gravel loaded filter, and skin is the sand gravel loaded filter, and this structure can make support sewer 4 phreatic fine grained that stops simultaneously in deep in discharging sloping body 1 taken away by current; In optimum embodiment, each thick 0.15m of ovum gravel loaded filter and sand gravel loaded filter.Be provided with the confining bed 4.5 that the water that prevents the side slope surface flows on the surface of supporting sewer 4, be provided with outfall 4.6 in confining bed 4.5 bottoms, in the present embodiment, confining bed 4.5 is built by laying bricks or stones for mortar flag stone and is formed, and the gradient α of outfall 4.6 is 4%.When supporting sewer 4 constructions, should in time pave and carry out draining behind the excavation and handle.
Referring to Fig. 7 to Fig. 8, face upward oblique drain hole 5 and be built-in with flexible porous tube 8, in the present embodiment, flexible porous tube 8 length confirm according to bury of groundwater or the aquifer degree of depth, face upward oblique drain hole 5 degree of depth than flexible porous tube 8 dark 0.2m about.Said flexible porous tube 8 tube walls have aperture.Because sloping body 1 stratum is a soil-slope, the softer easy shrinkage cavity in stratum is so be filled with medium coarse sand 9 in the flexible porous tube 8.
When side slope was higher, the safeguard structure that the utility model is described to be used to reinforce high liquid limit soil matter side slope can prop up the retaining (not shown) with toe and combine, and side slope is arranged to multistage side slope classification uses.
Obviously, those skilled in the art can carry out various changes and modification to the utility model and not break away from the spirit and the scope of the utility model.Like this, belong within the scope of the utility model claim and equivalent technologies thereof if these of the utility model are revised with modification, then the utility model also is intended to comprise these changes and modification interior.
The content of not doing in this manual to describe in detail belongs to this area professional and technical personnel's known prior art.

Claims (10)

1. safeguard structure that is used to reinforce high liquid limit soil matter side slope; The skeleton that intercepts water, the support sewer (4) that comprises sloping body (1), forms by a main framing of arranging in length and breadth (2) and a skeleton (3), face upward oblique drain hole (5) and automatic anchor pole (6); It is characterized in that: the said skeleton that intercepts water is netted arrangement along sloping body (1) surface, and every lattice intercept water and plant grass planting in the skeleton and irritate plant (7); Be provided with on sloping body (1) surface be through to the end, slope from the top, slope be used to arrange phreatic support sewer (4); Be provided with in sloping body bottom to stretch into and face upward oblique drain hole (5) in the sloping body (1), the inside of facing upward oblique drain hole (5) is higher than the position, aperture; Every lattice intercept water and are provided with the automatic anchor pole (6) that is fixed in the sloping body (1) in the middle of the skeleton.
2. ask the described safeguard structure that is used to reinforce high liquid limit soil matter side slope according to claim 1; It is characterized in that: said support sewer (4) bottom surface is a step surface; Every grade of step surface vertical face is provided with first loaded filter (4.1) that underground water is passed through, and horizontally set can make water cross and impervious drain board (4.2) from surface current; Support sewer (4) both sides and be provided with second loaded filter (4.3) that underground water is passed through; In supporting sewer (4), be filled with slabstone and build the drainage blanket (4.4) that forms by laying bricks or stones; Be provided with the confining bed (4.5) of the water inflow that prevents the side slope surface on the surface of supporting sewer (4), be provided with outfall (4.6) in confining bed (4.5) bottom.
3. the safeguard structure that is used to reinforce high liquid limit soil matter side slope according to claim 2 is characterized in that: said first loaded filter (4.1) and second loaded filter (4.3) are double-layer structure, and internal layer is an ovum gravel loaded filter, outer all sand gravel loaded filters.
4. the safeguard structure that is used to reinforce high liquid limit soil matter side slope according to claim 2 is characterized in that: said drain board (4.2) and confining bed (4.5) are mortar flag stone and build by laying bricks or stones and form.
5. the safeguard structure that is used to reinforce high liquid limit soil matter side slope according to claim 2 is characterized in that: the thickness a=1.0~1.5m of said support sewer (4).
6. according to the described safeguard structure that is used to reinforce high liquid limit soil matter side slope of arbitrary claim in the claim 1 to 5, it is characterized in that: every lattice region shape that a said main framing (2) and a skeleton (3) are surrounded is an arch.
7. according to the described safeguard structure that is used to reinforce high liquid limit soil matter side slope of arbitrary claim in the claim 1 to 5, it is characterized in that: every lattice region shape that a said main framing (2) and a skeleton (3) are surrounded is a herringbone.
8. according to the described safeguard structure that is used to reinforce high liquid limit soil matter side slope of arbitrary claim in the claim 1 to 5, it is characterized in that: vertically whenever be provided with along sloping body (1) and support sewer (4) at a distance from 8~15 meters.
9. according to the described safeguard structure that is used to reinforce high liquid limit soil matter side slope of arbitrary claim in the claim 1 to 5, it is characterized in that: face upward oblique drain hole (5) and stretch in the sloping body (1) with 5~15 ° elevation angle β.
10. according to the described safeguard structure that is used to reinforce high liquid limit soil matter side slope of arbitrary claim in the claim 1 to 5; It is characterized in that: face upward oblique drain hole (5) and be built-in with flexible porous tube (8); Said flexible porous tube (8) tube wall has aperture, is filled with medium coarse sand (9) in the flexible porous tube (8).
CN 201220125036 2012-03-29 2012-03-29 Protective structure for reinforcing high liquid limit soil side slope Withdrawn - After Issue CN202509511U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220125036 CN202509511U (en) 2012-03-29 2012-03-29 Protective structure for reinforcing high liquid limit soil side slope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220125036 CN202509511U (en) 2012-03-29 2012-03-29 Protective structure for reinforcing high liquid limit soil side slope

Publications (1)

Publication Number Publication Date
CN202509511U true CN202509511U (en) 2012-10-31

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CN 201220125036 Withdrawn - After Issue CN202509511U (en) 2012-03-29 2012-03-29 Protective structure for reinforcing high liquid limit soil side slope

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561370A (en) * 2012-03-29 2012-07-11 中铁第四勘察设计院集团有限公司 Protective structure for reinforcing high-liquid-limit soil slope
CN104929140A (en) * 2015-06-26 2015-09-23 东华理工大学 Slope rapid seepage and drainage and self-reinforcement device and method
CN105887898A (en) * 2016-06-07 2016-08-24 中交第二公路勘察设计研究院有限公司 Swell-shrink characteristic rock-soil cut slope protection method and structure
CN106758892A (en) * 2016-12-19 2017-05-31 中交路桥建设有限公司 A kind of Seasonal freezing areas Freeway draining means of defence

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561370A (en) * 2012-03-29 2012-07-11 中铁第四勘察设计院集团有限公司 Protective structure for reinforcing high-liquid-limit soil slope
CN104929140A (en) * 2015-06-26 2015-09-23 东华理工大学 Slope rapid seepage and drainage and self-reinforcement device and method
CN105887898A (en) * 2016-06-07 2016-08-24 中交第二公路勘察设计研究院有限公司 Swell-shrink characteristic rock-soil cut slope protection method and structure
CN105887898B (en) * 2016-06-07 2017-11-03 中交第二公路勘察设计研究院有限公司 A kind of method and structure of protection swell-shrink characteristic ground cut slope
CN106758892A (en) * 2016-12-19 2017-05-31 中交路桥建设有限公司 A kind of Seasonal freezing areas Freeway draining means of defence

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20121031

Effective date of abandoning: 20141210

RGAV Abandon patent right to avoid regrant