CN207419517U - Composite foundation reinforcement rockfill barrier wall structure - Google Patents
Composite foundation reinforcement rockfill barrier wall structure Download PDFInfo
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- CN207419517U CN207419517U CN201721270250.2U CN201721270250U CN207419517U CN 207419517 U CN207419517 U CN 207419517U CN 201721270250 U CN201721270250 U CN 201721270250U CN 207419517 U CN207419517 U CN 207419517U
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Abstract
The utility model composite foundation reinforcement rockfill barrier wall structure, it includes composite foundation (1), rockfill barricade (2), TGXG (3), loaded filter (4) and filling body (5)；The composite foundation (1) locates below ground level and is made of more vibro-replacement stone columns (1.1), the rockfill barricade (2) is located at the top of the composite foundation (1), filling body (5) is provided on the inside of the rockfill barricade (2), TGXG (3) is provided in the lower part of the filling body (5), loaded filter (4) is provided between the rockfill barricade (2) and the TGXG (3)；It overcomes the shortcomings that barrier wall structure traditional in the prior art can not meet the stability requirement of filling body after itself and its wall, has the advantages that easy construction, speed of application be fast, wall body low cost.
Description
Technical field
More specifically it is composite foundation reinforcement the utility model is related to arrive water conservancy, highway and conservation technology field
Rockfill barrier wall structure.
Background technology
During the filling of the engineerings such as shore protection levee body, highway subgrade, Dumping Sites, generally use barricade resists pressure of banketing
Power.When above-mentioned engineering construction is located at coastal region, river and lake seashore, mollisol area, deep covering layer area, earth formation is more
It is made of Extra-fine sand, silt, silty clay, muck soil, traditional barrier wall structure can not meet filling body after itself and its wall
Stability requirement, must be combined using other modes with barricade, the pressure of banketing after sharing lood wall.
Traditional barricade material is concrete or stone masonry, and concrete guard wall is related to concrete production, transports, pours, applies
Construction equipment is more, complex procedures；Stone masonry barricade needs are manually built by laying bricks or stones, expend substantial amounts of manpower, speed of application is slow.Chinese patent
CN104674841B puts block stone using machinery and quickly forms retaining wall, although improving the degree of barricade mechanized construction, adds
The fast speed of application of barricade, but it faces same problem with concrete guard wall, stone masonry barricade：When running into above-mentioned geology item
During the poor situation of part, since foundation bearing capacity is relatively low, the filling body after barricade and its wall will be present with larger deformation or even
Unstable failure, therefore should not directly be used on mollisol, deep covering layer ground.Chinese patent CN205116214U,
Although CN104389320B, CN103321243B are using bored concrete pile, micro-steel pile, screw rod pile, rotary churning pile, mixing pile to barricade
Ground has carried out consolidation process, but above-mentioned pile body is plain concrete or reinforced concrete structure, complicated construction technique, work of constructing
Phase is long, and project cost is high.
When filling body height is higher after barricade, pressure of banketing only is resisted in itself by barricade, can cause bricklaying constructed object
Product is huge while higher to the requirement for bearing capacity of ground, and construction cost is also higher.
Utility model content
The purpose of the utility model is to overcome the shortcoming of above-mentioned background technology, and propose composite foundation reinforcement enrockment
Body barrier wall structure.
The purpose of this utility model is implemented by following technical solution：Composite foundation reinforcement rockfill barricade knot
Structure, it includes composite foundation, rockfill barricade, TGXG, loaded filter and filling body；The composite foundation be located at ground with
It is made of down and more vibro-replacement stone columns, the rockfill barricade is located at the top of the composite foundation, in the heap
Filling body is provided on the inside of stone body barricade, TGXG, the rockfill barricade are provided in the lower part of the filling body
Loaded filter is provided between the TGXG.
In the above-mentioned technical solutions：The vibro-replacement stone column expands arrangement along the outer ledge of the rockfill barricade
2-3 campsheds.
In the above-mentioned technical solutions：The rockfill barricade is gravity-type structure, and the vibro-replacement stone column is using just
Triangular arrangement.
In the above-mentioned technical solutions：The TGXG layered arrangement is and described in the inside of the filling body
Filling body is stacked from bottom to top along the bottom of the TGXG；The TGXG lateral length is more than described in twice
Rockfill barricade height.
In the above-mentioned technical solutions：The loaded filter is in tilted layout along the inside of the rockfill barricade, described
The top of loaded filter is flushed with the rockfill gear coping.
The utility model further includes following advantage：1st, rockfill barricade can adapt to certain deformation, especially soft
It is more more notable than the advantage of rigid structure barricade in the case of soil base or deep covering layer ground；
2nd, rockfill barricade can be formed using block building stones through cal rolling at the construction field (site), have easy construction, construction speed
The advantages of degree is fast, wall body low cost.
3rd, consolidation process is carried out to barricade ground using vibro-replacement stone column, live metaling can be made full use of, with concrete
Stake or reinforced concrete pile are compared, and without purchasing reinforcing bar, cement, construction technology is easy, quick.When stake footpath is 60cm, stake is a length of
During 8m, concrete-pile comprehensive unit price is 66 yuan/m, and vibro-replacement stone column comprehensive unit price is 45 yuan/m, and pile body cost can reduce by 30%
More than.
The 4th, TGXG in the filling body after barricade is set, the globality and non-deformability of filling body, energy can be improved
Enough reduce the soil pressure suffered by wall, so as to reduce barricade bricklaying volume and its requirement for bearing capacity to ground, save engineering
Investment.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the vibro-replacement stone column floor plan in the utility model.
In figure：Composite foundation 1, vibro-replacement stone column 1.1, rockfill barricade 2, TGXG 3, loaded filter 4, filling body 5.
Specific embodiment
The performance of the utility model is described in detail below in conjunction with the accompanying drawings, but they are not formed to the utility model
It limits, it is only for example；The advantages of the utility model, will become clearer and be readily appreciated that by explanation simultaneously.
With reference to shown in Fig. 1-2：Composite foundation reinforcement rockfill barrier wall structure, it is mainly by composite foundation 1, rockfill barricade
2nd, TGXG 3, loaded filter 4 and 5 five part of filling body composition.
Treated to be carried out using vibroreplacement to original soft foundation or deep covering layer ground for composite foundation 1
The composite foundation 1 of vibro-replacement stone column 1.1, bearing capacity should meet the requirement of barricade resistant slide and antidumping.Through vibro-replacement stone
Bearing Capacity of Composite Foundation R after 1.1 consolidation process of stakesp=[1+mn-1] × Rs, RsFor the bearing capacity of original ground；M is rubble
The replacement rate of stake, m=AP/As, APFor the sectional area of vibro-replacement stone column 1.1, AsFor the area of composite foundation 1；N is vibro-replacement stone
1.1 pile body of stake and the load intensity share ratio of inter-pile soil, n=Rp/Rs, RpFor the bearing capacity of vibro-replacement stone column 1.1.Vibroflotation is broken
Stone mar 1.1 arranges that the basic outer rim of rockfill barricade 2 expands 2-3 campsheds, and stake footpath D, stake spacing L are according to above-mentioned using equilateral triangle
Formula calculate analyzing and determined.
Rockfill barricade 2 is gravity-type structure, and top width 2-3m, free face slope is than 1：M, wall back slope is than 1：n.M, n values are
1.3-1.6 and m is more than n.Rockfill barricade 2 uses the fresh building stones that stone matter is hard, weatherability is strong, softening resistant performance is good,
Saturation compression strength is more than 30MPa, and maximum particle diameter is less than 70cm, and granule content of the grain size less than 0.075mm is no more than 4%, grain
Granule content of the footpath less than 5mm is no more than 20%, and porosity is not more than 23%, and compacting dry density is not less than 20.8kN/m3.Enrockment
Body barricade 2 is using method placement in layers is attacked and occupied, and bull-dozer is bulldozed, and towed vibrating roller rolls, local to be rolled with convex block vibrating roller, grinds
Parameter is pressed to be determined according to experiment.
The layering of TGXG 3 is arranged inside 2 rear filling body 5 of rockfill barricade, lift height 50cm.TGXG 3
Twice of rockfill wall height can be typically no less than filling in vivo laying length determines according to actual conditions.
Loaded filter 4 is between rockfill barricade 2 and filling body 5, thickness 1m, thin in filling body 5 after wall to prevent
Particulate matter is pulled away.Loaded filter 4 fills material and uses fresh building stones, and grain size should meet relevant grading requirement.
Composite foundation reinforcement rockfill barrier wall structure, it includes composite foundation 1, rockfill barricade 2, TGXG 3, anti-filter
Layer 4 and filling body 5；The composite foundation 1 locates below ground level and is made of more vibro-replacement stone columns 1.1, the enrockment
Body barricade 2 is located at the top of the composite foundation 1, the inside of the rockfill barricade 2 is provided with filling body 5, in institute
The lower part for stating filling body 5 is provided with TGXG 3, is provided between the rockfill barricade 2 and the TGXG 3 anti-
Filtering layer 4.
The outer ledge of the vibro-replacement stone column 1.1 along the rockfill barricade 2 expands arrangement 2-3 campsheds.
The rockfill barricade 2 is gravity-type structure, and the vibro-replacement stone column 1.1 is arranged using equilateral triangle.
3 layered arrangement of TGXG is in the inside of the filling body 5, and the filling body 5 is along described
The bottom of TGXG 3 stack from bottom to top；3 lateral length of TGXG is more than the rockfill barricade described in twice
2 height.
The loaded filter 4 along the rockfill barricade 2 inside be in tilted layout, the top of the loaded filter 4 with
The top of the rockfill barricade 2 flushes.
The utility model further includes a kind of construction method：The construction method of composite foundation reinforcement rockfill barrier wall structure, it
Include the following steps；
1., preparation of construction：It is needed to carry out levelling of the land, construction cushion coat laying, stake position unwrapping wire and construction equipment according to construction
Arrangement in place, adjustment vibrating impacter water spray center are less than 5 centimetres with design stake position centre deviation；
2., vibrating and impacting construction of ballast pile：It is determined according to the stake footpath size of foundation soil situation and the vibro-replacement stone column 1.1 needed
Vibrating impacter model, the sequence of construction of the vibro-replacement stone column 1.1 are：Vibrating impacter centering in place → vibroflotation pore-forming, plasma discharge → hole
Middle filler, vibratory compaction → carry out next stage vibroflotation, until forming vibro-replacement stone column 1.1 in the foundation soil of composite foundation 1；When one
After root vibro-replacement stone column 1.1, the position of mobile vibrating impacter to next vibro-replacement stone column 1.1 carries out stake processed；
3., rockfill Retaining wall：The rockfill barricade 2 be gravity-type structure, 2-3 meters of top width, free face slope ratio
1：M, wall back slope is than 1：n；M, n values are 1.3-1.6, and m is more than n；The use of the rockfill barricade 2 stone matter is hard, wind resistance
The fresh building stones that change ability is strong, softening resistant performance is good, saturation compression strength ＞ 30MPa, maximum particle diameter are less than 70 centimetres, and grain size is small
In 0.075 millimeter of granule content no more than 4%, no more than 20%, porosity is not more than granule content of the grain size less than 5 millimeters
23%, compacting dry density is not less than 20.8kN/m3；Using method placement in layers is attacked and occupied, bull-dozer pushes away the rockfill barricade 2
Flat, towed vibrating roller rolls, local to be rolled with convex block vibrating roller, rolls parameter and is determined according to experiment；The rockfill gear
During wall 2 fills, slope is cut using backhoe；
4., embankment construction after barricade：Filling body 5, the filling body 5 are provided with after the rockfill barricade 2
Using placement in layers, grinding compacting；TGXG 3, which is layered, to be arranged in the filling body 5, and the TGXG 3 is layered
Thickness 50cm；Laying length of the TGXG 3 in the filling body 5 is not less than the rockfill barricade described in twice
2 height；Loaded filter 4 is set between the inside of the rockfill barricade 2 and the filling body 5, the loaded filter 4
1 meter of thickness.
Filling body 5, the rockfill barricade 2, the concordant construction of 4 three of loaded filter and the synchronous rising.
Above-mentioned unspecified part is the prior art.
Claims (5)
1. composite foundation reinforcement rockfill barrier wall structure, it is characterised in that：It include composite foundation (1), rockfill barricade (2),
TGXG (3), loaded filter (4) and filling body (5)；The composite foundation (1) locates below ground level and broken by more vibroflotations
Stone mar (1.1) forms, and the rockfill barricade (2) is located at the top of the composite foundation (1), is kept off in the rockfill
Filling body (5) is provided on the inside of wall (2), the lower part of the filling body (5) is provided with TGXG (3), the enrockment
Loaded filter (4) is provided between body barricade (2) and the TGXG (3).
2. composite foundation reinforcement rockfill barrier wall structure according to claim 1, it is characterised in that：The vibro-replacement stone
The outer ledge of stake (1.1) along the rockfill barricade (2) expands arrangement 2-3 campsheds.
3. composite foundation reinforcement rockfill barrier wall structure according to claim 1 or 2, it is characterised in that：The enrockment
Body barricade (2) is gravity-type structure, and the vibro-replacement stone column (1.1) is arranged using equilateral triangle.
4. composite foundation reinforcement rockfill barrier wall structure according to claim 3, it is characterised in that：The TGXG
(3) layered arrangement is in the inside of the filling body (5), and bottom of the filling body (5) along the TGXG (3)
It stacks from bottom to top in portion；Described TGXG (3) lateral length is more than the height of the rockfill barricade (2) described in twice.
5. composite foundation reinforcement rockfill barrier wall structure according to claim 4, it is characterised in that：The loaded filter
(4) it is in tilted layout along the inside of the rockfill barricade (2), the top of the loaded filter (4) is kept off with the rockfill
Wall flushes at the top of (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721270250.2U CN207419517U (en) | 2017-09-29 | 2017-09-29 | Composite foundation reinforcement rockfill barrier wall structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721270250.2U CN207419517U (en) | 2017-09-29 | 2017-09-29 | Composite foundation reinforcement rockfill barrier wall structure |
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| CN207419517U true CN207419517U (en) | 2018-05-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558490A (en) * | 2017-09-29 | 2018-01-09 | 长江勘测规划设计研究有限责任公司 | Composite foundation reinforcement rockfill barrier wall structure and construction method |
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2017
- 2017-09-29 CN CN201721270250.2U patent/CN207419517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107558490A (en) * | 2017-09-29 | 2018-01-09 | 长江勘测规划设计研究有限责任公司 | Composite foundation reinforcement rockfill barrier wall structure and construction method |
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