CN219825183U - Protection device for wetland soft foundation and roadbed slope - Google Patents
Protection device for wetland soft foundation and roadbed slope Download PDFInfo
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- CN219825183U CN219825183U CN202320920062.9U CN202320920062U CN219825183U CN 219825183 U CN219825183 U CN 219825183U CN 202320920062 U CN202320920062 U CN 202320920062U CN 219825183 U CN219825183 U CN 219825183U
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- roadbed
- concrete
- dynamic compaction
- side slope
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- 239000004567 concrete Substances 0.000 claims abstract description 56
- 238000005056 compaction Methods 0.000 claims abstract description 43
- 239000002689 soil Substances 0.000 claims abstract description 31
- 238000005187 foaming Methods 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 239000004746 geotextile Substances 0.000 claims description 23
- 239000011381 foam concrete Substances 0.000 claims description 11
- 238000012423 maintenance Methods 0.000 claims description 8
- 239000010426 asphalt Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000004873 anchoring Methods 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 4
- 239000011372 high-strength concrete Substances 0.000 claims 1
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 210000003205 muscle Anatomy 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- Road Paving Structures (AREA)
Abstract
The utility model discloses a protection device for a wetland soft foundation and a roadbed slope, which relates to the technical field of road engineering, and aims to solve the problem that the roadbed structure of a road is relatively unstable due to the fact that a road structure between adjacent dynamic compaction pier piles is supported only by a soft foundation soil layer in the related technology; through soft soil layer, dynamic compaction pier stud, geotechnique fabric layer, foaming concrete, lasso, connection collude muscle, rubble layer, geogrid, road base layer and roadbed concrete layer's setting, and then guarantee as far as possible that device roadbed structure is stable, avoid the roadbed subsidence to subside, effectively improve roadbed structural stability.
Description
Technical Field
The utility model relates to the field of road engineering, in particular to a protection device for a wetland soft foundation and a roadbed slope.
Background
Road engineering refers to the whole process of planning, designing, constructing, maintaining and managing work by taking a road as an object and engineering entities engaged in the whole process; and the road is the place that supplies people and car to walk, along with the continuous development of social science and technology, the staff carries out road construction at the plateau wetland, because the bearing capacity of wetland is low, and then needs the staff to lay the soft foundation on the plateau wetland, and in order to protect the soft foundation of laying, the staff has set up side slope protector in the soft foundation outside to reach the effect that prevents soil erosion and water loss, and then guaranteed the life cycle of soft foundation.
The territory of China is wide, and the wetland area of China is the fourth world. In road pavement of the wetland, the road surface structure of the road is supported due to the relative softness of the wetland, so that the road of the wetland often cannot reach higher structural strength or has higher construction difficulty.
Chinese patent application No. CN200920227489.0 discloses a highway subgrade structure at a soft foundation of a wetland. The technical key points of the method comprise a dynamic compaction pier column pile, geotextile, a broken stone bedding cushion layer, a geogrid, a roadbed filling layer and a pavement structure layer; the dynamic compaction pier column piles are arranged in a wetland soft foundation in an equilateral triangle or square mode, a layer of geotextile is paved on the dynamic compaction pier column piles, a gravel mattress layer is paved on the geotextile, and a layer of geogrid is paved on the gravel mattress layer; roadbed filling layers are backfilled on the geogrid, left sides and right sides of the roadbed filling layers are roadbed slopes respectively, and pavement structure layers are arranged on the roadbed filling layers.
With respect to the related art in the above, the inventors consider that there are the following drawbacks: the road structure between the adjacent dynamic compaction pier piles is supported only by the soil layer at the soft foundation, so that the roadbed structure of the road is relatively unstable.
Disclosure of Invention
In order to solve the problems that the construction process is complex and the construction efficiency is affected in the related art, the utility model provides a protection device for a wetland soft foundation and a roadbed slope.
The utility model provides a protection device for a wetland soft foundation and a roadbed slope, which adopts the following technical scheme:
the utility model provides a protection device for wetland soft foundation and road side slope, includes soft soil layer, soft soil layer's inside evenly is provided with dynamic compaction pier stud, dynamic compaction pier stud's top is provided with geotechnique fabric layer, geotechnique fabric layer below all is provided with foaming concrete around the dynamic compaction pier stud, the equal fixedly connected with of one end that dynamic compaction pier stud is close to foaming concrete and the lasso of dynamic compaction pier stud looks adaptation, equal fixedly connected with all around of lasso ring lateral wall colludes the muscle, geotechnique fabric layer's top is provided with the rubble layer, the top of rubble layer is provided with geogrid, geogrid's top is provided with road basic layer, road basic layer's top is provided with road bed concrete layer.
Through adopting above-mentioned technical scheme, through soft soil layer, the dynamic compaction pier stud, geotechnique fabric layer, the foaming concrete, the lasso, connect and collude muscle, the rubble layer, geogrid, road base and roadbed concrete layer's setting, the staff sets up behind the foundation ditch to the ground, peg graft the dynamic compaction pier stud in soft soil layer earlier, peg graft the dynamic compaction pier stud in soft soil layer after, cup joint the lasso in the one end that the soft soil layer was kept away from to the dynamic compaction pier stud, then begin to pour foaming concrete, the connection collude muscle of lasso lateral wall can effectively improve the wholeness between foaming concrete and the dynamic compaction pier stud, make the whole that foaming concrete and dynamic compaction pier stud constitute and soft layer area of contact increase, and then avoid the whole that foaming concrete and dynamic compaction pier stud constitute to take place to subside as far as possible, influence the stability of top structure, play better supporting role to the top structure simultaneously, make because the characteristics that foaming concrete density is little and waterproof performance are strong, can avoid inside water to get into roadbed layer to get into and cause the road surface subsidence as far as possible, also avoided leading to the whole structure to subsidence because of foaming concrete dead weight big, foaming concrete layer and pile layer and the subsidence, the layer is laid in the layer of roadbed layer after the pile layer, the stability is improved, the stability is laid on the roadbed layer, the roadbed layer is laid on the layer is stable, the stability is guaranteed, the stability is laid on the roadbed layer, the layer is laid on the top layer is laid, and the stability is laid on the layer is laid.
Optionally, an asphalt pavement is arranged above the roadbed concrete layer.
Through adopting above-mentioned technical scheme, through the setting of asphalt road surface, the road surface road conditions that the asphalt road layer laid is good, has characteristics low, the noise is low and the raise dust is few to the tire wearing and tearing degree.
Optionally, the both sides of roadbed concrete layer evenly are provided with the guard post, two adjacent keep away from the equal fixedly connected with guard plate in one side of roadbed concrete layer between the guard post.
Through adopting above-mentioned technical scheme, through the setting of guard post and guard plate, can avoid road vehicle to dash out the road as far as possible, cause the incident.
Optionally, a reflective strip is arranged on one side, close to the roadbed concrete layer, of the outer side wall of the protection plate.
Through adopting above-mentioned technical scheme, through the setting of reflection of light strip, can make the guard plate more striking when night, and then improve the night security of traveling on the road.
Optionally, two ends of the upper surface of the geotextile layer are provided with side slope guard plates, and the center of the lower surface of the side slope guard plates is provided with an anchoring hole.
Through adopting above-mentioned technical scheme, through the setting of side slope backplate and anchor hole, place the side slope backplate behind geotechnique fabric layer upper surface's both ends, threaded connection goes into the concrete crab-bolt in the anchor hole, and then is fixed in foaming concrete with the side slope backplate, and then makes the installation of side slope backplate more simple and fast.
Optionally, the side slope protection board inner side wall is provided with the side slope maintenance ladder near the road basic unit's one side.
Through adopting above-mentioned technical scheme, through the setting of slope maintenance ladder, the staff can maintain the slope through the slope maintenance ladder.
Optionally, U-shaped connecting ribs are uniformly arranged on one side, close to the roadbed concrete layer, of the slope guard plate.
Through adopting above-mentioned technical scheme, through the setting of U type connecting rib, can effectively improve the wholeness of side slope backplate and road bed concrete layer, and then improve the stability of side slope backplate as far as possible.
Optionally, a green planting groove is formed in one side, close to the road base layer, of the outer side wall of the side slope guard plate.
Through adopting above-mentioned technical scheme, through the setting of green planting groove, plant green planting in green planting groove can reduce the soil erosion and water loss of road bed as far as possible.
In summary, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of soft soil layers, dynamic compaction pier columns, geotextile layers, foamed concrete, side slope guard plates, ferrules, connecting hook ribs, gravel layers, geogrid, road base layers and roadbed concrete layers, through the arrangement of the soft soil layers, the dynamic compaction pier columns, geotextile layers, foamed concrete, ferrules, connecting hook ribs, gravel layers, geogrid, roadbed layers and roadbed concrete layers, after a worker opens foundation pits on the ground, the dynamic compaction pier columns are inserted into the soft soil layers firstly, after the dynamic compaction pier columns are inserted into the soft soil layers, the ferrules are sleeved at one end of the dynamic compaction pier columns, far away from the soft soil layers, then pouring of the foamed concrete is started, the contact area between the foamed concrete and the soft soil layers can be effectively increased, the whole formed by the foamed concrete and the dynamic compaction pier columns is prevented from sedimentation, the stability of the upper structure is influenced, meanwhile, a better supporting effect is achieved on the upper structure, and the soft soil layers are prevented from being settled down, the roadbed layer is prevented from entering the inner layer, the roadbed layer is prevented from being paved on the layer, the soil layers are paved on the roadbed layer, the soil layers are prevented from being settled, and the stability of the roadbed layer is improved, and the roadbed is improved as much as possible, and the pile layer is paved on the soil layer;
2. according to the utility model, the slope guard plate and the anchoring holes are arranged, the slope guard plate is placed at the two ends of the upper surface of the geotextile layer, and then the concrete anchor bolts are screwed into the anchoring holes, so that the slope guard plate is fixed on the foaming concrete, and the installation of the slope guard plate is simpler and faster.
Drawings
FIG. 1 is a schematic perspective view of a guard post according to the present utility model;
FIG. 2 is a schematic side cross-sectional view of the present utility model;
FIG. 3 is a schematic top cross-sectional view of a ferrule of the present utility model;
fig. 4 is a schematic perspective view of a U-shaped connecting rib according to the present utility model.
Reference numerals illustrate:
1. a soft soil layer; 2. dynamic compaction pier column; 3. a geotextile layer; 4. foaming concrete; 5. a ferrule; 6. connecting the hooking ribs; 7. a crushed stone layer; 8. geogrid; 9. a road base layer; 10. a roadbed concrete layer; 11. asphalt pavement; 12. a protective column; 13. a protection plate; 14. a reflective strip; 15. a side slope guard board; 16. an anchor hole; 17. a slope maintenance ladder; 18. u-shaped connecting ribs; 19. and a green planting groove.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1, 2 and 3, a wetland soft foundation comprises a soft soil layer 1, dynamic compaction pier columns 2 are uniformly arranged in the soft soil layer 1, after a foundation pit is formed in the ground by a worker, the dynamic compaction pier columns 2 are inserted into the soft soil layer 1, a geotextile layer 3 is arranged above the dynamic compaction pier columns 2, foam concrete 4 is arranged around the dynamic compaction pier columns 2 below the geotextile layer 3, ferrules 5 which are matched with the dynamic compaction pier columns 2 are fixedly connected to one ends of the dynamic compaction pier columns 2 close to the foam concrete 4, connecting hook ribs 6 are fixedly connected to the periphery of the outer side wall of the ferrules 5, after the dynamic compaction pier columns 2 are inserted into the soft soil layer 1, the ferrules 5 are sleeved at one ends of the dynamic compaction pier columns 2 far away from the soft soil layer 1, then the foam concrete 4 is poured, after the foam concrete 4 is solidified, a geotextile layer 3 is paved above the foam concrete 4 and the dynamic compaction pier columns 2, a gravel layer 7 is arranged above the geotextile layer 3, a grating 8 is arranged above the gravel layer 7, a roadbed layer 9 is arranged above the geogrid 8, and a roadbed layer 10 is arranged above the roadbed layer 10.
Referring to fig. 1 and 2, the both sides of roadbed concrete layer 10 evenly are provided with guard post 12, keep away from the equal fixedly connected with guard plate 13 in one side of roadbed concrete layer 10 between two adjacent guard posts 12, when pouring roadbed concrete layer 10, keep away from guard plate 13's one end with guard post 12 and pour in roadbed concrete layer 10, through guard post 12 and guard plate 13's setting, can avoid road vehicle to dash out the road as far as possible, cause the incident, guard plate 13 lateral wall is provided with reflector strip 14 near one side of roadbed concrete layer 10, through the setting of reflector strip 14, can make guard plate 13 more striking when night, and then improve the night security of traveling on the road.
Referring to fig. 1 and 2, a protection device for a roadbed slope comprises slope protection plates 15 arranged at two ends of the upper surface of a geotextile layer 3, when the geotextile layer 3 is laid, the slope protection plates 15 are placed at two ends of the upper surface of the geotextile layer 3, then concrete anchors are connected into anchor holes 16 in a threaded connection mode, the slope protection plates 15 are fixed to foaming concrete 4, anchor holes 16 are formed in the center of the lower surface of the slope protection plates 15, U-shaped connecting ribs 18 are uniformly arranged on one side, close to the roadbed concrete layer, of the slope protection plates, when the roadbed concrete layer 10 is poured, the U-shaped connecting ribs 18 are poured into the roadbed concrete layer 10.
Referring to fig. 1 and 2, a green planting groove 19 is formed in the side, close to the road base layer 9, of the outer side wall of the side slope guard plate 15, a worker can plant green plants in the green planting groove 19, water and soil loss of the road base layer 9 is further reduced as much as possible, a side slope maintenance ladder 17 is arranged on the side, close to the road base layer 9, of the inner side wall of the side slope guard plate 15, and through the arrangement of the side slope maintenance ladder 17, the worker can maintain the side slope through the side slope maintenance ladder 17.
The implementation principle of the utility model is as follows: after a foundation pit is formed on the ground by a worker, firstly, inserting the dynamic compaction pier column 2 into the soft soil layer 1, after inserting the dynamic compaction pier column 2 into the soft soil layer 1, sleeving the ferrule 5 into one end of the dynamic compaction pier column 2 far away from the soft soil layer 1, then starting pouring the foaming concrete 4, after the foaming concrete 4 is solidified, paving the geotextile layer 3 above the foaming concrete 4 and the dynamic compaction pier column 2, then placing the side slope guard plate 15 into two ends of the upper surface of the geotextile layer 3, then connecting the anchor holes 16 with concrete anchors in a threaded manner, fixing the side slope guard plate 15 into the foaming concrete 4, paving the crushed stone layer 7 above the geotextile layer 3 between the two side slope guard plates 15 after the side slope guard plates 15 are fixed into two ends of the upper surface of the geotextile layer 3, firstly, paving a gravel layer 7 above a geotextile layer 3 between two slope guard plates 15, paving a geogrid 8 above the gravel layer 7, paving a road base layer 9 above the geogrid 8, pouring a roadbed concrete layer 10 after paving the roadbed layer 9, pouring one end of a guard post 12, which is far away from a guard plate 13, into the roadbed concrete layer 10 while pouring the roadbed concrete layer 10, wherein a U-shaped connecting rib 18 is poured into the roadbed concrete layer 10 when the roadbed concrete layer 10 is poured, pouring an asphalt pavement 11 after the roadbed concrete layer 10 is solidified, avoiding road running vehicles from rushing out of a road as much as possible through the arrangement of the guard post 12 and the guard plate 13, causing safety accidents, enabling the guard plate 13 to be more striking at night through the arrangement of a reflecting strip 14, and further improving night safety of running on the road.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. A wetland soft foundation comprising a soft soil layer (1), characterized in that: dynamic compaction pier columns (2) are uniformly arranged in the soft soil layer (1), a geotextile layer (3) is arranged above the dynamic compaction pier columns (2), foam concrete (4) is arranged around the dynamic compaction pier column (2) below the geotextile layer (3);
the novel high-strength concrete reinforced concrete pile is characterized in that one end of the dynamic compaction pier column (2) close to the foaming concrete (4) is fixedly connected with a ferrule (5) which is matched with the dynamic compaction pier column (2), connecting hooking ribs (6) are fixedly connected to the periphery of the outer side wall of the ferrule (5), a gravel layer (7) is arranged above the geotechnical fabric layer (3), a geogrid (8) is arranged above the gravel layer (7), a roadbed layer (9) is arranged above the geogrid (8), and a roadbed concrete layer (10) is arranged above the roadbed layer (9).
2. A wetland soft foundation according to claim 1, wherein: an asphalt pavement (11) is arranged above the roadbed concrete layer (10).
3. A wetland soft foundation according to claim 1, wherein: the two sides of the roadbed concrete layer (10) are uniformly provided with protection columns (12), and a protection plate (13) is fixedly connected to one side, far away from the roadbed concrete layer (10), between two adjacent protection columns (12).
4. A wetland soft foundation according to claim 3, wherein: the method is characterized in that: and one side, close to the roadbed concrete layer (10), of the outer side wall of the protection plate (13) is provided with a light reflecting strip (14).
5. A protection device for a subgrade slope, comprising a wetland soft foundation according to any one of claims 1 to 4, characterized in that: the two ends of the upper surface of the geotextile layer (3) are provided with side slope guard plates (15), and the center of the lower surface of the side slope guard plates (15) is provided with an anchoring hole (16).
6. A protective device for a side slope according to claim 5, wherein: the side of the inner side wall of the side slope guard plate (15) close to the road base layer (9) is provided with a side slope maintenance ladder (17).
7. A protective device for a side slope according to claim 5, wherein: u-shaped connecting ribs (18) are uniformly arranged on one side of the side slope guard plate (15) close to the roadbed concrete layer (10).
8. A protective device for a side slope according to claim 5, wherein: the side wall of the side slope guard board (15) close to the road base layer (9) is provided with green planting grooves (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320920062.9U CN219825183U (en) | 2023-04-21 | 2023-04-21 | Protection device for wetland soft foundation and roadbed slope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320920062.9U CN219825183U (en) | 2023-04-21 | 2023-04-21 | Protection device for wetland soft foundation and roadbed slope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219825183U true CN219825183U (en) | 2023-10-13 |
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ID=88272805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320920062.9U Active CN219825183U (en) | 2023-04-21 | 2023-04-21 | Protection device for wetland soft foundation and roadbed slope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825183U (en) |
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2023
- 2023-04-21 CN CN202320920062.9U patent/CN219825183U/en active Active
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