CN216304314U - Shallow soft soil type roadbed structure - Google Patents
Shallow soft soil type roadbed structure Download PDFInfo
- Publication number
- CN216304314U CN216304314U CN202122855321.8U CN202122855321U CN216304314U CN 216304314 U CN216304314 U CN 216304314U CN 202122855321 U CN202122855321 U CN 202122855321U CN 216304314 U CN216304314 U CN 216304314U
- Authority
- CN
- China
- Prior art keywords
- layer
- soil layer
- soft soil
- hard
- shallow
- 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.)
- Active
Links
- 239000002689 soil Substances 0.000 title claims abstract description 132
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000010276 construction Methods 0.000 claims description 6
- 239000004746 geotextile Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 239000000463 material Substances 0.000 description 9
- 230000008595 infiltration Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000002985 plastic film Substances 0.000 description 4
- 229920006255 plastic film Polymers 0.000 description 4
- 239000010426 asphalt Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 238000004162 soil erosion Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- -1 Polyethylene Polymers 0.000 description 1
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
Images
Landscapes
- Road Paving Structures (AREA)
Abstract
The application discloses soft soil type roadbed structure of shallow layer relates to road engineering technical field, and its technical scheme includes: hard soil layer, locate the permeable bed on the hard soil layer, locate the soft soil layer of hard soil layer upper end permeable bed both sides, locate the gravel layer on the permeable bed and locate the concrete layer on the gravel layer, the mounting groove has been seted up on the hard soil layer, be provided with many fender piles in the hard soil layer mounting groove, the fender pile encloses the both sides of establishing at soft soil layer, the fender pile passes through the both ends of fixed subassembly fixed connection soft soil layer on the hard soil layer, and this application can improve the easy sedimentary problem after the long-time use of soft soil roadbed.
Description
Technical Field
The application relates to the technical field of road engineering, in particular to a shallow soft soil type roadbed structure.
Background
The soft soil roadbed is a roadbed in a special area with a shallow soft soil roadbed structure, needs special design and treatment, is mostly distributed in rivers, seawalls, inland lakes, ponds, basins and rainy mountain depressions, has the characteristics of large water content, poor permeability, low natural strength, high compressibility and the like, loses stability if the water content exceeds a critical height, and is mostly distributed in low-lying areas such as seasides, lakesides, river banks and the like, and the earth surface is moist or ponding all the year round due to sediment substances formed by surface water in the fourth period.
The soft soil roadbed is treated in a mode of generally adopting a sand cushion layer, a civil grid layer and a preloading mode.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: the reinforcing effect of this treatment is not ideal, and sedimentation occurs after a long time, which needs to be further improved.
SUMMERY OF THE UTILITY MODEL
In order to improve the easy sedimentary problem of soft soil roadbed, this application provides a shallow layer soft soil type roadbed structure.
The application provides a soft soil type roadbed structure in shallow layer adopts following technical scheme:
the utility model provides a shallow layer weak soil type roadbed structure, includes hard soil layer, locates the permeable bed on the hard soil layer, locates the soft soil layer of hard soil layer upper end permeable bed both sides, locates the gravel layer on the permeable bed and locates the concrete layer on the gravel layer, the mounting groove has been seted up on the hard soil layer, be provided with many fender piles in the hard soil layer mounting groove, the fender pile encloses the both sides of establishing at soft soil layer, the fender pile passes through the both ends of fixed subassembly fixed connection soft soil layer on the hard soil layer.
Through adopting above-mentioned technical scheme, the fixed subassembly that sets up can make the fender pile fix in soft soil layer both sides, encloses soft soil layer and establishes, plays sealed effect to soft soil layer, reduces the moisture loss on soft soil layer to the phenomenon that soft soil layer subsides can reduce to appear.
Optionally, the fixing assembly comprises deformed steel bars penetrating through the guard piles, the bottom ends of the deformed steel bars are fixedly connected in the hard soil layer, the guard piles are connected through sealing pieces, and fixing pieces for fixing the guard piles are arranged in the mounting grooves.
Through adopting above-mentioned technical scheme, the screw-thread steel lower extreme fixed connection who sets up can make the firm card of fender pile in the mounting groove on hard soil layer in hard soil layer, realizes the protection to soft soil layer, reduces the moisture loss on soft soil layer to can reduce the phenomenon that soft soil layer subsides appears.
Optionally, the sealing element includes a stirrup installed between the two fender piles, and a reinforcing plate is fixedly connected to the outer side of each fender pile.
Through adopting above-mentioned technical scheme, the stirrup that sets up can make zonulae occludens between two fender piles, reduces the gap between two fender piles to the moisture that can reduce soft soil layer oozes from the gap between two fender piles, leads to the phenomenon of soft soil layer deposit to appear easily.
Optionally, the fixing piece includes the adhesion layer of locating between fender pile and hard soil layer, the reinforcing bar is installed to the bottom of fender pile.
Through adopting above-mentioned technical scheme, the reinforcing bar that sets up can further make the stable card of fender pile in the mounting groove, and the adhesion layer that sets up can make fender pile bottom adhesion in the mounting groove, reduces the gliding condition of fender pile to appear.
Optionally, the permeable layer is provided with a side ditch.
Through adopting above-mentioned technical scheme, the gutter of setting can play and collect the rainwater that leaves from concrete layer, plays fine effect to the road surface drainage.
Optionally, the concrete layer pavement is high in the middle and low on two sides.
Through adopting above-mentioned technical scheme, the concrete layer road surface is middle height, and the low setting in both sides can make things convenient for the drainage, reduces to appear the rainwater and piles up in the middle of the road surface, influences the condition that pedestrian and vehicle appear the shape.
Optionally, an impermeable geotextile is arranged between the soft soil and the guard pile.
By adopting the technical scheme, the arranged anti-seepage geotextile can play a role of preventing water seepage, and the seepage of water in a soft soil layer from the protective pile is reduced.
Optionally, soft soil layer is right trapezoid and sets up, the permeable bed is equilateral trapezoid and sets up, just the limit of two slopes on permeable bed and the limit looks fixed connection of soft soil layer slope.
Through adopting above-mentioned technical scheme, the soft soil layer that sets up is right trapezoid setting, and the permeable bed is equilateral trapezoid setting, and the limit of the limit butt soft soil layer slope of two slopes of permeable bed can make the water infiltration permeable bed in the side ditch, then makes the intraformational moisture infiltration soft soil layer that permeates water again, keeps the intraformational moisture of soft soil.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the arranged deformed steel bar can play a role in positioning the protective pile, so that the protective pile can be preliminarily clamped into the mounting groove to realize the protection of the soft soil layer, and the protective pile can be further stably clamped into the mounting groove by the arranged steel bars and the adhesion layer;
2. the stirrup and the reinforcing plate that set up can make inseparable connection between the fender pile, reduce the gap between the fender pile to can reduce the moisture loss on soft soil layer, and then can reduce the phenomenon that soft soil layer subsides appears.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Reference numerals: 1. a hard soil layer; 2. a water permeable layer; 21. side ditches; 3. a soft soil layer; 4. a gravel layer; 5. a concrete layer; 6. a protective pile; 61. deformed steel bar; 63. a reinforcing plate; 64. anti-seepage geotextile; 65. and (5) reinforcing steel bars.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The embodiment of the application discloses shallow soft soil type roadbed structure, refer to fig. 1, including hard soil layer 1, locate permeable stratum 2 on hard soil layer 1, locate the soft soil layer 3 of 1 upper end permeable stratum 2 both sides of hard soil layer, locate gravel layer 4 on permeable stratum 2 and locate concrete layer 5 on gravel layer 4.
In this embodiment, the hard soil layer 1 is a hard soil layer 1 or a basement rock regolith, before construction, the hard soil layer 1 is compacted, then the soft soil layer 3 is poured, the soft soil layer 3 has high natural water content, large pore ratio, high compressibility and low shear strength, after the soft soil layer in the middle of the soft soil layer 3 is dug out, the permeable layer 2 is filled, the permeable layer 2 adopts filler with good water permeability such as stone chips, the permeable layer 2 can keep the water content of the soft soil layer 3 and reduce the water loss of the soft soil layer 3, then the permeable layer 2 is filled with a gravel layer 4, the gravel layer 4 is filled with a concrete layer 5, the concrete layer 5 adopts an emulsified asphalt material, the waterproof function of the emulsified asphalt material can be utilized, the water loss of the soft soil layer 3 is reduced, and the phenomenon of settlement of the soft soil layer 3 can be reduced.
Further, in order to reduce the moisture loss of soft soil layer 3, the mounting groove has been seted up on hard soil layer 1, in the mounting groove, many screw-thread steel 61 have been buried underground in advance, the one end of screw-thread steel 61 extends to 1 bottom in hard soil layer, the other end of screw-thread steel 61 extends to 3 upper ends in soft soil layer, be provided with many fender pile 6 in the 1 mounting groove in hard soil layer, and fender pile 6 encloses the both sides of establishing at soft soil layer 3, a screw-thread steel 61 corresponds a fender pile 6, screw-thread steel 61 is passed to the inside of fender pile 6, many fender piles 6 enclose and establish into the fender pile wall, realize the enclosure to soft soil layer 3, further reduce the moisture loss of soft soil layer 3.
In this embodiment, a stirrup is fixedly connected between the two piles 6 to tightly connect the two piles 6, and some sealing material can be coated to reduce the gap between the two piles 6, thereby reducing the water loss of the soft soil layer 3 in the horizontal direction, further, a reinforcing plate 63 is installed on the outer side of the pile 6, the extending direction of the reinforcing plate 63 is perpendicular to the extending direction of the pile 6 to realize the supporting function of the reinforcing plate 63 on the pile 6, further, a geotechnical impermeable cloth 64 is arranged between the soft soil layer 3 and the pile 6, the impermeable geotechnical cloth 64 (composite geomembrane) is a geotechnical impermeable material compounded with non-woven fabrics by using a plastic film as an impermeable base material, the impermeable performance of the impermeable geotechnical impermeable material mainly depends on the impermeable performance of the plastic film, the plastic film for domestic and foreign impermeable applications mainly comprises polyvinyl chloride (PVC) and Polyethylene (PE), the waterproof flexible material is a high-molecular chemical flexible material, has small specific gravity, strong extensibility, high adaptive deformation capability, corrosion resistance, low temperature resistance and good frost resistance, and has the main mechanism that a water leakage channel of the earth dam is partitioned by the impermeability of a plastic film, and the waterproof flexible material bears water pressure and adaptive deformation by the larger tensile strength and the larger extensibility, so that the moisture of the soft soil layer 3 can be further reduced from leaking out of a gap of the protective pile 6.
In this embodiment, be provided with many reinforcing bars in the bottom of fender pile 6, the lower extreme of reinforcing bar is fixed in hardpan 1, can make further stable the fixing in the mounting groove of fender pile 6, and at fender pile 6 and should having poured the adhesion layer between the soil layer, the adhesion layer can be for the soil layer that has the adhesion, or for the concrete asphalt material that has the adhesion, can make the further inseparable adhesion of fender pile 6 in the mounting groove, further reduce the gap between fender pile 6 and hardpan 1, thereby can reduce the moisture loss of soft soil layer 3, thereby reduce the phenomenon that subsides in soft soil layer 3 appearance.
In addition, can be further set up the waterproof layer in hard soil layer 1's upper end, this kind of waterproof layer can adopt cohesive soil, and the soil grain clearance of cohesive soil is little, can reduce the infiltration of water in soft soil layer 3 downwards effectively, reduces the moisture infiltration hard soil layer 1 of permeable bed 2 and soft soil layer 3 to can further reduce soft soil layer 3 and appear subsiding the phenomenon.
In this embodiment, concrete layer 5 sets up in gravel layer 4 upper end, and the concrete road surface sets up to middle height, the low shape in both ends, drainage that can be better, reduces the rainwater and piles up the condition in the middle of the road surface, can lead to the fact inconvenient condition to the pedestrian vehicle to gravel layer 4's both sides also are provided with the side slope of slope, and the echelonment that forms like this can be favorable to the drainage more, makes rivers go into soft soil layer 3 and permeable bed 2.
In addition, in this embodiment, seted up the side ditch 21 on permeable bed 2, the side ditch 21 can collect and get rid of the precipitation of road surface, curb and side slope, is one of domatic drainage's facility, is the indispensable partly of road drainage system, and the side ditch 21 can set up to trapezoidal, and the drainage is fine, can prevent soil erosion and water loss in addition well, adopts the stone to pile up, has fine effect in the aspect of stability and soil erosion and water conservation on the side slope.
In this embodiment, soft soil layer 3 is the right trapezoid setting, and permeable stratum 2 is the equilateral trapezoid setting, and the limit of two slopes of permeable stratum 2 and the limit looks fixed connection of the 3 slopes of soft soil layer can make soft soil layer 3 support permeable stratum 2 on the one hand, and on the other hand can make the moisture infiltration permeable stratum 2 that flows into side ditch 21, then from permeable stratum 2 infiltration soft soil layer 3 again, keeps the moisture of soft soil layer 3.
The implementation principle of shallow layer soft soil type roadbed structure of the embodiment of the application is as follows: firstly, a hard soil layer 1 is paved, after the hard soil layer 1 is paved, the hard soil layer 1 is compacted, then a waterproof layer can be paved on the hard soil layer 1, a soft soil layer 3 is paved on the waterproof layer, then soft soil in the soft soil layer 3 is dug out, fillers with good water permeability such as stone chips and the like are filled in the dug-out pit, then a sand gravel layer 4 is paved on the permeable layer 2, after the sand gravel layer 4 is tamped, a concrete layer 5 is filled in the dug-out pit.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a shallow layer weak soil type road bed structure which characterized in that: including hard soil layer (1), locate permeable bed (2) on hard soil layer (1), locate soft soil layer (3) of permeable bed (2) both sides on hard soil layer (1), locate gravel layer (4) on permeable bed (2) and locate concrete layer (5) on gravel layer (4), the mounting groove has been seted up on hard soil layer (1), be provided with many fender pile (6) in hard soil layer (1) mounting groove, fender pile (6) enclose the both sides of establishing in soft soil layer (3), fender pile (6) are through the both ends of fixed subassembly fixed connection soft soil layer (3) on hard soil layer (1).
2. The shallow soft soil subgrade construction of claim 1, characterized in that: the fixing assembly comprises deformed steel bars (61) penetrating through the guard piles (6), the bottom ends of the deformed steel bars (61) are fixedly connected into the hard soil layer (1) and connected with each other through sealing pieces between the guard piles (6), and fixing pieces for fixing the guard piles (6) are arranged in the mounting grooves.
3. The shallow soft soil roadbed structure according to claim 2, wherein: the sealing element comprises stirrups arranged between two guard piles (6), and the outer sides of the guard piles (6) are fixedly connected with reinforcing plates (63).
4. The shallow soft soil roadbed structure according to claim 2, wherein: the mounting is including locating the adhesion layer between fender pile (6) and hard soil layer (1), reinforcing bar (65) are installed to the bottom of fender pile (6).
5. The shallow soft soil subgrade construction of claim 1, characterized in that: the permeable layer (2) is provided with a side ditch (21).
6. The shallow soft soil subgrade construction of claim 1, characterized in that: the concrete layer (5) is high in the middle of the pavement and low in two sides of the pavement.
7. The shallow soft soil subgrade construction of claim 1, characterized in that: and an impermeable geotextile (64) is arranged between the soft soil and the guard pile (6).
8. The shallow soft soil subgrade construction of claim 1, characterized in that: soft soil layer (3) are right trapezoid and set up, permeable bed (2) are equilateral trapezoid and set up, just the limit of two slopes of permeable bed (2) and the limit looks fixed connection of soft soil layer (3) slope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855321.8U CN216304314U (en) | 2021-11-19 | 2021-11-19 | Shallow soft soil type roadbed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122855321.8U CN216304314U (en) | 2021-11-19 | 2021-11-19 | Shallow soft soil type roadbed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216304314U true CN216304314U (en) | 2022-04-15 |
Family
ID=81122657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122855321.8U Active CN216304314U (en) | 2021-11-19 | 2021-11-19 | Shallow soft soil type roadbed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216304314U (en) |
-
2021
- 2021-11-19 CN CN202122855321.8U patent/CN216304314U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207846349U (en) | A kind of water blocking earth dam | |
| CN110438938B (en) | River bank structure for constructing sponge city | |
| CN212404676U (en) | Soft soil foundation anti-settlement structure | |
| CN111321705B (en) | Construction method of debris flow blocking dam | |
| CN211872469U (en) | Permeable roadbed structure | |
| CN113152354B (en) | Structure and method for pre-positioned in-situ water ecological restoration of tidal river reach | |
| RU2763752C1 (en) | Method for restoring the geophysical stability of an emergency ground dam on a weak foundation | |
| CN112195965A (en) | Expansive soil cutting retaining wall | |
| CN218147579U (en) | High-grade highway structure using red bed mudstone to fill roadbed | |
| CN216304314U (en) | Shallow soft soil type roadbed structure | |
| CN112195874A (en) | High homogeneity dam of dispersion soil | |
| CN203960699U (en) | Road cutting type protecting immersion road structure | |
| CN215758827U (en) | Ecological river bank protection suitable for soft foundation | |
| CN214573877U (en) | Silt and soft soil foundation normal position solidification foundation structure | |
| CN213571373U (en) | A road bed drainage structures for highway section is richened to groundwater | |
| CN214271547U (en) | Hydrophobic crack control structure of inflation land area pedestrian road | |
| CN214363925U (en) | Cut water seepage ditch system | |
| CN211646434U (en) | Earth-rock cofferdam structure of silt foundation | |
| CN210288015U (en) | A pavement that permeates water for sponge city construction | |
| CN217026896U (en) | River sluice flood control dyke structure | |
| CN213896990U (en) | Seasonal immersed embankment high slope drainage protective structure | |
| CN213951823U (en) | High infiltration town road structure | |
| CN217105418U (en) | Reverse filtering type multipurpose drainage ditch behind dike | |
| CN210049041U (en) | Novel municipal road engineering foundation | |
| CN221255094U (en) | Road structure of mating formation that permeates water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240703 Address after: 843300 room 16, 1 / F, building 2, college student Pioneer Park, alar city, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang alar Xincheng Construction Co.,Ltd. Country or region after: China Address before: 441100 room 40, building 8, block B, No. 6, Hanjin Avenue (Bauhinia Garden), Xiangzhou District, Xiangyang City, Hubei Province Patentee before: Hubei Yingchen Construction Engineering Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |