CN202830943U - Stable structure for preventing and controlling freeze-thaw collapse of side slope in cold region - Google Patents
Stable structure for preventing and controlling freeze-thaw collapse of side slope in cold region Download PDFInfo
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- CN202830943U CN202830943U CN 201220427959 CN201220427959U CN202830943U CN 202830943 U CN202830943 U CN 202830943U CN 201220427959 CN201220427959 CN 201220427959 CN 201220427959 U CN201220427959 U CN 201220427959U CN 202830943 U CN202830943 U CN 202830943U
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- side slope
- slope
- gutter
- warming plate
- toe wall
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Abstract
The utility model discloses a stable structure for preventing and controlling freeze-thaw collapse of a side slope in a cold region. An arch framework is paved on the surface of the side slope. A slope toe wall is arranged at the bottom of the side slope. A plurality of drain pipes are arranged in each arch ring of the arch framework in a rectangular array or quincunx array mode. A plurality of drain holes are arranged in each drain pipe. The outer wall of each drain pipe and the end of each drain pipe, which stretches into a soil body of the side slope, are coated with dense gauze. A heat preservation structure is arranged on the bottom surface and the side wall of the slope toe wall and the surface of the side slope at certain depth. Groundwater can be effectively drained, groundwater level, the water content of the side slope and water migration rate are reduced, the stability of the side slope is ensured, and engineering cost is greatly reduced. Through the heat preservation structure, the freezing depth and frost heaving thaw collapse amount of the side slope can be effectively reduced, and the engineering cost can be effectively reduced. And through the arch framework, the infiltration of surface water, and the scouring of the surface of the side slope due to melted snow, rain and the like are reduced, so that the width, depth and length of a lower layer crack are reduced, and the surface of the side slope is protected.
Description
Technical field
The utility model relates to side slope or slope stability technology, specifically, relates to the rock-steady structure of a kind of cold district different kinds of roads side slope, house foundation side slope, natural side slope.
Background technology
At present, the engineering that is used for the cold district of control side slope freeze thawing slump, a kind of is to adopt the larger non-frost heave coarse aggregate of transmission coefficient all to replace the original swelling soil of side slope, and another kind is to adopt non-cold district slope treatment method, namely adopts the retaining structures such as antislide pile or retaining wall to prop up gear.
Adopt non-frost heave coarse aggregate can make construction costs increase decades of times, long construction period not only, and have potential safety hazard.Adopt the retaining structure cost also very high, more seriously can not fundamentally solve because the side slope superficial slump that the effect of periodicity frozen swell and melt settlement causes is easy to form the vicious circle of " every annual overhaul, annual bad ", not only cause larger economic loss, and left larger potential safety hazard.
The utility model content
To be solved in the utility model is the technical problem that cold district's side slope freeze thawing slump can't effect a radical cure, and a kind of robust structure for the cold district's freeze thawing of control side slope slump is provided, and can propose the safety of High-cold regions freeze thawing side slope, and construction costs is low simultaneously.
In order to solve the problems of the technologies described above, the utility model is achieved by following technical scheme:
A kind of robust structure for the cold district of control side slope freeze thawing slump, the side slope surface is equipped with arched framework, and the side slope bottom is provided with slope toe wall;
Be provided with a plurality of gutters in the arch ring of described arched framework, a plurality of described gutters are full sloping according to rectangular array or quincunx arranged in arrays along side slope, described drain level or surperficial with 0 ~ 5 ° of inclination angle insertion slope soil, the slope soil surface is exposed in described gutter outer end, according to rectangular array or quincunx arranged in arrays a plurality of drain holes are arranged on the described gutter, the end that described gutter outer wall and described gutter stretch in the slope soil is enclosed with close order gauze;
Described slope toe wall bottom surface is provided with bottom holding plates, described slope toe wall sidewall is provided with the sidewall warming plate, in the above 3 ~ 5m scope of described slope toe wall, 0.4 ~ 0.6m degree of depth is provided with domatic warming plate below side slope surface, described bottom holding plates, described sidewall warming plate and described domatic warming plate are by the EPS plate adhesion, and described bottom holding plates, described sidewall warming plate and described domatic warming plate all are arranged in the medium coarse sand bed course.
Slope soil surface 10 ~ 30cm is exposed in described gutter outer end.
The level interval that described gutter is arranged on the slope soil surface is 1.5 ~ 2.2m, and vertical spacing is 1.1 ~ 1.5m.
Described gutter is PE gutter, PVC gutter or steel gutter.
The diameter of described drain hole is 5 ~ 8mm.
Described close order gauze is provided with 1 ~ 5 layer.
The order number of described close order gauze is 100 ~ 150 orders.
Described slope toe wall is sheet stone concrete slope toe wall, rubble concrete slope toe wall or riprap concrete slope toe wall.
The beneficial effects of the utility model are:
The utility model adopts multilayer gutter technology, effective white-out underground water, dewatering, side slope moisture content and water translocation rate, avoid adopting the large non-frost heave coarse aggregate of transmission coefficient all to replace the original swelling soil of side slope, not only guarantee the stability of side slope, and can significantly reduce construction costs; At distance side slope surface certain depth and slope toe wall bottom and side laying warming plate, connect with EPS plate between the warming plate, can effectively reduce the depth of frost penetration and the frozen swell and melt settlement amount of side slope, also can reduce construction costs; Lay arched framework on side slope surface, that can reduce surface water enters to blend snow melt, rainfall etc. to the washing away of side slope surface, thereby reduces width, the degree of depth and the length in lower floor crack, can well protect side slope surface.
Description of drawings
Fig. 1 is the floor map of robust structure provided by the utility model;
Fig. 2 is the representative side section view of robust structure provided by the utility model;
Fig. 3 is the structural representation of gutter provided by the utility model;
Fig. 4 is the schematic cross-section of gutter provided by the utility model;
Fig. 5 is the structural representation of insulation construction provided by the utility model.
Among the figure: 1, arched framework; 21, arch ring; 22, support the gutter; 2, gutter; 21, drain hole; 22, close order gauze; 3, insulation construction; 31, bottom holding plates; 32, the sidewall warming plate; 33, domatic warming plate; 34, the medium coarse sand bed course; 4, the domatic soil body; 5, slope toe wall.
The specific embodiment
For further understanding content of the present utility model, characteristics and effect, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
As depicted in figs. 1 and 2, the utility model discloses a kind of robust structure for the cold district of control side slope freeze thawing slump, mainly formed by arched framework 1, gutter 2 and insulation construction 3.
The side slope surface is equipped with arched framework 1, and arched framework 1 comprises between 21, the two groups of adjacent arch rings 21 of arch ring that divide into groups to arrange and connecting with supporting gutter 22.
According to slope engineering geological conditions, slope angle, high, the domatic area in slope, arch ring 21 inherent slope soils 4 surfaces of arched framework 1 are provided with a plurality of gutters 2.Gutter 2 forms certain level interval and vertical spacing according to rectangular array or quincunx arranged in arrays between the tube and tube, generally in 1.5 ~ 2.2m scope, vertical spacing is generally in 1.1 ~ 1.5m scope for level interval.Gutter 2 level of answering is inserted slope soil 4 surfaces, and perhaps slope soil 4 surfaces are inserted with 0 ~ 5 ° of inclination angle downwards in the outer end, and gutter 2 need expose slope soil 4 surfaces, and the length of exposing is generally 10 ~ 30cm.Gutter 2 can be selected PE gutter, PVC gutter or steel gutter.
As shown in Figure 3, be drilled with the drain hole 21 of several minor diameters on the gutter 2, the diameter of drain hole 21 is determined concrete numerical value according to the slope soil water content, is generally 5 ~ 8mm.Drain hole 21 arranging on gutter 2 also is according to rectangular array or quincunx arranged in arrays.According to certain level and the vertical spacing gutter 2 of arranging, gutter 2 is provided with the drain hole 21 of arranging according to certain rules, underground water that can the white-out slope soil, thus reduce groundwater table and the side slope moisture content of side slope.
As shown in Figure 4, the outer wall of gutter 2, and the end that gutter 2 stretches in the slope soil 4 is enclosed with close order gauze 22.Close order gauze 22 is provided with 1 ~ 5 layer, and the order number of close order gauze 22 is take 100 ~ 150 orders as good.Close order gauze 22 can prevent that the fine grained soils in the side slope runs off from gutter 2 and slope soil 4 holes that cause increase and strength decreased.
In addition, the side slope bottom is arranged at slope toe wall 5, and slope toe wall 5 specifically can be sheet stone concrete slope toe wall, rubble concrete slope toe wall or riprap concrete slope toe wall.Slope toe wall 5 can strengthen the stability of side slope, and warming plate is played a protective role, and prolongs the life-span of warming plate.
The work progress of robust structure of the present utility model is as follows:
(1) at first carry out the construction of gutter 2:
(1) accurately measures with the position of transit with each gutter 2, and mark with little timber;
(2) bore the drain hole 3 of minor diameters at gutter 2, then 3 one-tenth quincuncial arrangement of the drain hole of minor diameter are wrapped in gutter 2 outsides with some layers close order gauze 4, and inner top are wrapped;
(3) build rig odd-job platform in slope drainage pipe 2 bottoms;
(4) manually hole with hand drill, want strict controlled footage in the drilling process, prevent and treat the hole of collapsing;
(5) gutter 2 is put into boring, and around gutter 2, tamp with medium coarse sand.
(2) secondly carry out the construction of arched framework 1:
(1) presses the support gutter 22 that design drawing excavates arched framework 1, will support 22 bottoms, gutter and sidewall with flattening, then concreting;
(2) the sidewall concrete block masonry is being supported 22 concrete formation support gutter, gutter, 22 grooves;
(3) excavation arch ring 21 ditches, and at arch ring 21 ditches bottom concreting, build concrete block by laying bricks or stones and form arch ring 21.
(3) carry out at last the construction of insulation construction 3:
(1) soil with side slope surface 0.5m thickness excavates, and lays thick medium sand or the coarse sand of 10cm in the bottom;
(2) bottom holding plates 31, sidewall warming plate 32 and domatic warming plate 33 are placed on medium sand or the coarse sand, between bottom holding plates 31, sidewall warming plate 32 and the domatic warming plate 33 EPS plate are glued, the marginal portion is connected with arched framework 1 with concrete;
(3) cover at bottom holding plates 31, sidewall warming plate 32 and domatic warming plate 33 and re-lay the thick medium sand of 10cm or coarse sand, then will before the soil that falls of excavation put and be layered on medium sand or the coarse sand, and compacting.
Although the above is described preferred embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, can also make the concrete conversion of a lot of forms, these all belong within the protection domain of the present utility model.
Claims (8)
1. one kind is used for the cold robust structure of distinguishing side slope freeze thawing slump of control, and the side slope surface is equipped with arched framework, and the side slope bottom is provided with slope toe wall; It is characterized in that,
Be provided with a plurality of gutters in the arch ring of described arched framework, a plurality of described gutters are full sloping according to rectangular array or quincunx arranged in arrays along side slope, described drain level or surperficial with 0 ~ 5 ° of inclination angle insertion slope soil, the slope soil surface is exposed in described gutter outer end, according to rectangular array or quincunx arranged in arrays a plurality of drain holes are arranged on the described gutter, the end that described gutter outer wall and described gutter stretch in the slope soil is enclosed with close order gauze;
Described slope toe wall bottom surface is provided with bottom holding plates, described slope toe wall sidewall is provided with the sidewall warming plate, in the above 3 ~ 5m scope of described slope toe wall, 0.4 ~ 0.6m degree of depth is provided with domatic warming plate below side slope surface, described bottom holding plates, described sidewall warming plate and described domatic warming plate are by the EPS plate adhesion, and described bottom holding plates, described sidewall warming plate and described domatic warming plate all are arranged in the medium coarse sand bed course.
2. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, slope soil surface 10 ~ 30cm is exposed in described gutter outer end.
3. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, the level interval that described gutter is arranged on the slope soil surface is 1.5 ~ 2.2m, and vertical spacing is 1.1 ~ 1.5m.
4. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, described gutter is PE gutter, PVC gutter or steel gutter.
5. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, the diameter of described drain hole is 5 ~ 8mm.
6. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, described close order gauze is provided with 1 ~ 5 layer.
7. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, the order number of described close order gauze is 100 ~ 150 orders.
8. a kind of robust structure for the cold district of control side slope freeze thawing slump according to claim 1 is characterized in that, described slope toe wall is sheet stone concrete slope toe wall, rubble concrete slope toe wall or riprap concrete slope toe wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427959 CN202830943U (en) | 2012-08-27 | 2012-08-27 | Stable structure for preventing and controlling freeze-thaw collapse of side slope in cold region |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220427959 CN202830943U (en) | 2012-08-27 | 2012-08-27 | Stable structure for preventing and controlling freeze-thaw collapse of side slope in cold region |
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| Publication Number | Publication Date |
|---|---|
| CN202830943U true CN202830943U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220427959 Expired - Fee Related CN202830943U (en) | 2012-08-27 | 2012-08-27 | Stable structure for preventing and controlling freeze-thaw collapse of side slope in cold region |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808418A (en) * | 2012-08-27 | 2012-12-05 | 中国建筑第六工程局有限公司 | Firm structure for preventing and controlling freeze-thaw collapse of side slope in cold region and construction method for firm structure |
| CN106223349A (en) * | 2016-07-27 | 2016-12-14 | 宁波市交通规划设计研究院有限公司 | A kind of prevention and controls of mountain highway tunnel portal side slope sloughing risk |
-
2012
- 2012-08-27 CN CN 201220427959 patent/CN202830943U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808418A (en) * | 2012-08-27 | 2012-12-05 | 中国建筑第六工程局有限公司 | Firm structure for preventing and controlling freeze-thaw collapse of side slope in cold region and construction method for firm structure |
| CN102808418B (en) * | 2012-08-27 | 2014-08-06 | 中国建筑第六工程局有限公司 | Firm structure for preventing and controlling freeze-thaw collapse of side slope in cold region and construction method for firm structure |
| CN106223349A (en) * | 2016-07-27 | 2016-12-14 | 宁波市交通规划设计研究院有限公司 | A kind of prevention and controls of mountain highway tunnel portal side slope sloughing risk |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20150827 |
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| EXPY | Termination of patent right or utility model |