CN206680982U - The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced - Google Patents
The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced Download PDFInfo
- Publication number
- CN206680982U CN206680982U CN201720103787.3U CN201720103787U CN206680982U CN 206680982 U CN206680982 U CN 206680982U CN 201720103787 U CN201720103787 U CN 201720103787U CN 206680982 U CN206680982 U CN 206680982U
- Authority
- CN
- China
- Prior art keywords
- region
- roadbed
- swelled ground
- subgrade
- 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.)
- Active
Links
Abstract
The utility model discloses the Treatment of Expansive Soil Embankment structure that a kind of improvement of cored method is reinforced, the structure includes surface layer of subgrade bed, bottom layer of subgrade, roadbed body successively from top to bottom, and roadbed body by swelled ground fills region and conditioned soil is filled region and is spaced apart and forms；Roadbed body both sides side slope is provided with anti-slippery grid, surface layer of subgrade bed, bottom layer of subgrade bottom and roadbed body middle expansive soils fill sections bottom and are all provided with transverse drainage slope, swelled ground is filled and oblique spilled water hole is buried in the transverse drainage slope in region, and loaded filter is provided with around oblique spilled water hole.The utility model overcomes swelled ground to use the technology prejudice of embankment, so that quality meets to require after the construction of swelled ground area embankment, and betterment expense can be greatly reduced, simplify construction technology process, it is easy to extensive construction continuously to fill, reach technology rationally, the purpose of cost, there is wide application value.
Description
Technical field
Railway subgrade works field is the utility model is related to, the Treatment of Expansive Soil Embankment reinforced is improved in particular to a kind of cored method
Structure.
Background technology
Often swelled ground is referred to as disastrous soil to engineering circles, and its key property has：Breathing domestic animal, fissurity, overconsolidation, these three
The complicated collective effect of characteristic causes its engineering properties extreme difference, and usually all kinds of engineering constructions are caused with huge harm, and its
Harm often has multiple, repeatability and long-term potentiality.
China is that swelled ground is distributed one of most wide country, the especially middle and lower reaches in the Changjiang river and the Yellow River, and southern edge
Sea and southwest, swelled ground are developed the most, and distribution is the most universal.Exemplified by just on newly-built illiteracy Sinorael road, its circuit is three
Door gorge to Jingmen section is divided into cloth swelled ground about 211.3km, and the line is busy, and road is always about 45.5%；Wherein strong swelling soil about 34.8km, in
Deng swelled ground about 109.8km, weak expansive soil about 66.7km.Three chaste tree section expansive soils roadbed length about 155.83km, account for road
The 63.3% of base total length.Swelled ground is widely distributed along the line, and wherein Dengzhou to Xiangyang about can use in the range of 120km without high quality filler,
Unavoidably utilize Expansive Soil Filling, the side of expansive soil improvement soil embankment about 15,810,000.
The highway and railway built in national swelled ground area, roadbed are generally produced and squeezed outside sinking, and bedding is risen soil,
Slope erosion slip collapse, slumping with landslide etc. serious plant disease, some landslides not only cause roadbed to destroy in flakes, or even prevent together with roadbed
Shield reinforcing engineering also damages together, has a strong impact on traffic safety.Every year because renovating subgrade in swelling soil zone disease, the investment of cost
More than 500,000,000 yuan, and the newborn disease of various subgrade in swelling soil zone is also constantly occurring.
Region railway construction is passed through swelled ground using type of bridge more respectively under normal circumstances.Limited when by some conditions
System, it is necessary to during using roadbed form, due to the regional allocations of swelled ground, inevitably to use demi-inflation weaker
Filler carries out roadbed filling construction, if roadbed all directly using Expansive Soil Filling construction if be easy to above-mentioned disease occurs,
So being filled after being carried out chemical modifying using swelled ground is filling roadbed at present, the selection of modifying agent is mostly lime or water more
Mud, determine that the volume of modifying agent carries out test section and filled according to laboratory test match ratio, promote completely using after pass the test, but
Conditioned soil fill complicated construction technique be present, qualified filler yield poorly be not easy to continuously to fill, construction quality it is uppity tired
Difficulty, therefore roadbed design must use special structure type, so as to reach the unfavorable characteristic for both eliminating swelled ground and filling, ensure
The safe and can of roadbed simplifies subgrade construction technique, increases economic efficiency.
The content of the invention
In view of the shortcomings of the prior art, the purpose of this utility model is to provide the swelled ground that a kind of cored method improvement is reinforced
Embankment structure, to solve using the filling roadbed quality problems of demi-inflation soil, the utility model can not only to use swollen
Meet quality requirement after the swollen filling roadbed construction of soil, can also greatly reduce expansive soil improvement processing cost, reach technology rationally, expense
With the purpose of economy, and embankment raising is bigger, then can more embody the economy of the road structure.
To achieve the above object, the Treatment of Expansive Soil Embankment structure that a kind of cored method improvement of the utility model is reinforced, from top to bottom
Include surface layer of subgrade bed, bottom layer of subgrade, roadbed body successively, it is characterized in that, the both sides of the surface layer of subgrade bed are provided with shield
Shoulder, the top both sides of the bottom layer of subgrade are provided with fringing, and the two bottom sides of the roadbed body are provided with lower fringing, described
The bottom of lower fringing is provided with support spats, and the roadbed body fills region by swelled ground and conditioned soil is filled region and formed,
The conditioned soil, which fills region swelled ground is filled into region, is wrapped in roadbed body central；The roadbed body both sides side slope is set
Have and fill region through conditioned soil and stretch into the anti-slippery grid that swelled ground fills region, it is described to prevent lower leaf cloth on slippery grid
Put, region to conditioned soil filled by swelled ground in the roadbed body fill region and outwards set transverse drainage slope, the laterally row
Oblique spilled water hole is buried in water slope, loaded filter is provided with around the oblique spilled water hole.
Further, the swelled ground of the roadbed body fills area top and is provided with anti-deformation reinforcing layer, the expansion
The bottom that soil fills region is provided with waterproof cushion.Anti-deformation reinforcing layer is arranged at roadbed body middle expansive soils and filled on region
Portion, prevent overall collapse from deforming.Waterproof cushion makes swelled ground fill the infiltration in region to be maintained at swelled ground and fill in region and pass through
Oblique spilled water hole discharge fills region without conditioned soil below entering and causes bedding disaster.
Further, filled in the bottom layer of subgrade using AB fillers or conditioned soil is filled, filled using conditioned soil
When, at the top of bottom layer of subgrade, waterproof cushion is set；When being filled using AB fillers, partition pad is set in the bottom of bottom layer of subgrade
Layer.If bottom layer of subgrade fills conditioned soil, the top layer of roadbed body is generally swelled ground, and expense is both economical；If bedding bottom
Layer fills AB group fillers, and the top layer of roadbed body should be that conditioned soil prevents Defect of Foundation Bed of Express.
Further, the waterproof cushion is medium coarse sand bed course, and one layer of composite earthwork is pressed from both sides in the middle part of medium coarse sand bed course
Film or capillary drainage plate.
Further, described to prevent that slippery grid is laid by direction earthwork grille is horizontal, outer ledge is inflection structure..
Further, region to conditioned soil is filled by swelled ground in the roadbed body and fills the outside horizontal row in region
The slope on water slope is 4%.
Further, the transverse drainage slope in the roadbed body, the transverse drainage slope is along the vertical of roadbed body
Highl stratification is laid.
The Treatment of Expansive Soil Embankment structure that a kind of cored method improvement provided by the utility model is reinforced, its core point are its core
Point is that roadbed body both sides, top surface and bottom are handled using water proof filler, and inside uses the structure of swelled ground direct filling
Form.Influence of the external environment to internal Expansive Soil Filling moisture content can be prevented using water proof filler processing roadbed both sides, is prevented
It produces swell-shrinking deformation and cracking, ensure that roadbed quality, while the usage amount of conditioned soil is greatly decreased, and improves efficiency of construction
And economic benefit.
The utility model proposes a kind of cored method improvement reinforce Treatment of Expansive Soil Embankment structure there is the excellent of following several respects
Point：
(1) the utility model is applied to swelled ground area embankment engineering, and the swelled ground area compared to routine lacks
All using conditioned soil come the design form of railway embankment in the case of high quality filler, road is filled using described embankment structure form
Dike can greatly reduce the quantity of conditioned soil, modifying agent material cost, working procedure and engineering time, so as to reduce engineering cost
With improving economic benefit.
(2) conditioned soil is filled using side slope position, the preferable water stability of conditioned soil filler effectively avoids usual swelled ground
The issuable side slope of roadbed, which is slipped, collapses, improves its erosion resistance.Conditioned soil fills region by embankment internal expansion soil reclamation district
Domain separates with external environment, influence of the moisture completely cut off in air to Expansive Soil Filling, makes its moisture content kept stable,
The intensity and stably of Expansive Soil Filling is ensure that, meets the safe mass requirement of roadbed.
(3) compare and structure type was all filled using conditioned soil in the past, due to conditioned soil filling construction complex procedures, work efficiency
Slowly, it is unfavorable for extensive construction continuously to fill, conditioned soil usage amount can be greatly reduced using the structure type railway embankment,
And do not influenceed by rainy season, meet extensive construction and continuously fill requirement.
(4) when roadbed filling uses lime improvement road-mix construction, swelled ground can be sprinkled with lime and paved and filled out in roadbed
Build on face, used as the interim place that dries, road-mix construction is carried out after swelled ground moisture content is reduced to OK range,
Expansive Soil Filling, which lacks, when can solve the problems, such as continuously to fill on a large scale to a certain extent dries place, ensure that the company of construction
Continuous property.
(5) roadbed bodies top using three-dimensional geogrid draw the wide bed set, and swelled ground fill a layer bottom bury it is oblique
Spilled water hole, keep roadbed inner stuffing moisture content stable, take these measures effectively to prevent roadbed side slope cracking, slip and collapse.
China's swelled ground is widely distributed, and the utility model overcomes swelled ground to use the technology prejudice of embankment, not only
So that quality meets to require after the construction of swelled ground area embankment, and betterment expense can be greatly reduced, simplify construction technology
Flow, it is easy to extensive construction continuously to fill, reaches that technology is reasonable, the purpose of cost, there is wide popularization and application valency
Value.
Brief description of the drawings
Fig. 1 is the structural representation of the first embodiment of the Treatment of Expansive Soil Embankment structure of the utility model cored method improvement reinforcing
Figure；
Fig. 2 is the structural representation of second of embodiment of Treatment of Expansive Soil Embankment structure that the improvement of the utility model cored method is reinforced
Figure；
Fig. 3 is the structural representation of the third embodiment of the Treatment of Expansive Soil Embankment structure of the utility model cored method improvement reinforcing
Figure；
Fig. 4 is the structural representation for the 4th kind of embodiment of Treatment of Expansive Soil Embankment structure that the improvement of the utility model cored method is reinforced
Figure；
Fig. 5 is that inflection structure type outside slippery grid is prevented in Fig. 1~Fig. 4；
Fig. 6 is oblique spilled water hole thin portion structure type in Fig. 1~Fig. 4.
In figure：Surface layer of subgrade bed 1, bottom layer of subgrade 2, roadbed body 3, waterproof cushion 4, swelled ground fill region 5, and conditioned soil is filled out
Region 6 is built, slippery grid 7 is prevented, oblique spilled water hole 8, anti-deformation reinforcing layer 9, supports spats 10, loaded filter 11, shoulder protector 12, upper edge
Side 13, lower fringing 14.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
The Treatment of Expansive Soil Embankment structure that a kind of cored method improvement of the utility model is reinforced, one embodiment such as Fig. 1, Fig. 5, figure
Shown in 6, the road bed of Treatment of Expansive Soil Embankment structure is shaped as triangle road camber, includes surface layer of subgrade bed 1, bedding bottom successively from top to bottom
Layer 2, roadbed body 3.1 thick 0.6m of surface layer of subgrade bed, fills A groups filler (except sandy soil).2 thick 1.9m of bottom layer of subgrade, fills and changes
Good soil.The top of bottom layer of subgrade 2 is provided with waterproof cushion 4.Waterproof cushion 4 is the thick medium coarse sand bed courses of 0.1m, and in medium coarse sand
One layer of composite geo-membrane or capillary drainage plate is pressed from both sides in the middle part of bed course.The paving location of waterproof cushion 4 is filled out according to bottom layer of subgrade
Material is different otherwise varied.
The both sides of surface layer of subgrade bed 1 are provided with shoulder protector 12, and the top both sides of bottom layer of subgrade 2 are provided with fringing 13, roadbed sheet
The two bottom sides of body 3 are provided with lower fringing 14, and the bottom of lower fringing 14 is provided with support spats 10.
Roadbed body 3 fills region 5 by swelled ground and conditioned soil is filled region 6 and formed, and conditioned soil, which will fill region 6, to be expanded
Soil fills region 5 and is wrapped in the center of roadbed body 3.Swelled ground fills the bottom of region 5 and is also equipped with waterproof cushion 4.Waterproof cushion 4
For the thick medium coarse sand bed courses of 0.1m, and press from both sides in the middle part of medium coarse sand bed course one layer of composite geo-membrane or capillary drainage plate.
Region 5 is filled to conditioned soil reclamation district by swelled ground in the bottom of surface layer of subgrade bed 1 and bottom layer of subgrade 2, roadbed body 3
Domain 6 outwards sets slope as 4% transverse drainage slope in both sides.Oblique let out is buried in transverse drainage slope in roadbed body 3
Water hole 8.Oblique spilled water hole 8 is managed using pvc, and tube wall need to leave spilled water hole, and loaded filter 11, anti-filter need to be set in embedment roadbed part
Layer 11 can use rubble or sand gravel adds sand, and outside is wrapped up using geotextile.
The both sides side slope of roadbed body 3, which is provided through conditioned soil, fills region 6 and stretches into swelled ground and fill the anti-slip of region 5
Sliding grid 7 is set up defences slippery grid 7 with carrying out reinforcement reinforcement measure to side slope of embankment at interval of the high place Min layers up and down of 0.6m, anti-slip
Sliding grid 7 typically should be greater than conditioned soil bound edge transverse width, prevented slippery lattice using the horizontal laying of two-way one layer of GSZ, width
The outer ledge of grid 7 uses inflection mode, and diffraction length should basis《Railway bed geosynthetics application design specification》Carry out
Calculate.Prevent that the slippery bidirectional stretch intensity of grid 7 is not less than 25kN/m.Also unidirectional GSZ can be used, tensile strength is not less than
25kN/m, tensile strength direction should laterally be laid along roadbed section.
Second embodiment of the present utility model with the difference of one embodiment as shown in Fig. 2 be：Bottom layer of subgrade 2
AB fillers are filled, waterproof cushion 4 is arranged between the bottom of subfoundation 2, subfoundation 2 and roadbed body 3.
3rd embodiment of the present utility model with the difference of one embodiment as shown in figure 3, be：Roadbed body 3
Middle expansive soils fill the top of region 5 and fill the setting anti-deformation reinforcing layer of region 69 close to conditioned soil, and anti-deformation reinforcing layer 9 uses three
To GSZ, 1~2 layer of three-dimensional geogrid completely spreads bottom layer of subgrade 2, and three-dimensional tensile strength is not less than 110kN/m.
4th embodiment of the present utility model with the difference of second embodiment as shown in figure 4, be：Roadbed body 3
Middle expansive soils fill the top of region 5 and fill the setting anti-deformation reinforcing layer of region 69 close to conditioned soil, and anti-deformation reinforcing layer 9 is typically adopted
With three-dimensional geogrid, 1~2 layer of three-dimensional geogrid completely spreads bottom layer of subgrade 2, and three-dimensional tensile strength is not less than 110kN/m.
The construction method for the Treatment of Expansive Soil Embankment structure reinforced based on the improvement of above-mentioned cored method, is comprised the following steps：
1) conditioned soil is made.With reference to the regional concrete condition of constructing, by laboratory test determine conditioned soil evolutionary approach and
Match ratio, typically swelled ground is improved as modifying agent using cement or lime.
2) foundation bearing capacity is detected.The location inadequate to bearing capacity carries out stiffening basic ground.
3) placement in layers roadbed body, when roadbed body 3 fills, every layer of compacted depth is no more than 30cm.
31) 1~2 layer of 3 bottom of roadbed body laying conditioned soil is filled into region 6, one layer of 0.1m thickness medium coarse sand is laid on top
Bed course, bed course centre one layer of composite geo-membrane of folder, forms waterproof cushion 4.
32) on waterproof cushion 4, the both sides of basic body of satisfying the need 3 are separately paved with conditioned soil, centre with swelled ground, unified to grind
Pressure, formation conditioned soil fill the parcel swelled ground of region 6 and fill region 5.
When filling conditioned soil region 6, side slope position has carried out water proof processing, and processing method can gather materials on the spot, and use is swollen
Swollen land reform is good, or uses other water-resisting property fillers, and usual swelled ground is effectively avoided using the preferable water stability of water-resisting property filler
The issuable side slope of roadbed, which is slipped, collapses, improves its erosion resistance.After taking water proof to handle, embankment internal expansion is native with extraneous ring
Border separates, and influence of the moisture completely cut off in air to Expansive Soil Filling, makes its moisture content kept stable, ensure that expansion
The intensity of native filler and stably, meet the safe mass requirement of roadbed.
When filling swelled ground and filling region 5, the swellability index of earth material need to be chemically examined by defined batch, it is ensured that soil
The shallow gesture grade of dilatancy of material must not be strong expansion, can only directly carry out roadbed filling using weak, middle expansive soils；Rainy season construction
When, completion conditioned soil, which is filled region 6 and filled, before rainfall is arrived reaches waterproof effect；When using lime improvement road-mix construction
When, swelled ground is paved on roadbed filling face, lime is sprinkled with as drying place, after its moisture content is reduced to OK range
Carry out road-mix construction.
33) the transverse drainage slope that the two bottom sides setting slope of region 5 is 4% is filled in swelled ground, and in weathering
Bury oblique spilled water hole 8.
34) 1~2 layer of the top of roadbed body 3, laying conditioned soil fills region 6, complete so as to which swelled ground is filled into region 5
Conditioned soil is enclosed in fill inside region 6.
The conditioned soil that swelled ground fills the both sides of region 5 is filled the conditioned soil bound edge width in region 6 and calculated according to equation below
Dmax=dmax/λ
In formula, L-bound edge width；Dmax- conditioned soil air dramatic impact depth；M-slope gradient；dmax- swelled ground
Air dramatic impact depth；Swelled ground atmospheric effect reduction coefficient, typically takes 3~4 after λ-improvement.
35) side slope of roadbed body 3 carries out reinforcement reinforcement using anti-slippery grid 7 to Treatment of Expansive Soil Embankment side slope, at interval of
0.6m is high to lay two-way one layer of GSZ, and the spacing between each layer geosynthetics is not preferably less than each layer and fills layer most
Small thickness, and 1m is not preferably greater than, prevent that the width of slippery grid 7 should be greater than conditioned soil bound edge transverse width, prevent the slippery outside of grid 7
Edge uses inflection mode, and diffraction length should basis《Railway bed geosynthetics application design specification》Calculated.It is double
It is not less than 25kN/m to the bidirectional stretch intensity of GSZ.Also unidirectional GSZ can be used, tensile strength is not less than 25kN/
M, tensile strength direction should laterally be laid along roadbed section.
36) fill the top of region 5 in swelled ground and completely spread 1~2 layer of anti-deformation reinforcing layer 9 close to conditioned soil region 6.Anti-deformation
Reinforcing layer 9 uses three-dimensional geogrid, and 1~2 layer of three-dimensional geogrid completely spreads bottom layer of subgrade 2, and three-dimensional tensile strength is not less than
110kN/m。
4) placement in layers bottom layer of subgrade 2, when bottom layer of subgrade 2 fills, every layer of compacted depth is no more than 30cm.If bedding bottom
Layer 2 is filled using the AB group fillers of non-conditioned soil, then in medium coarse sand the bed course thick bottom of bottom layer of subgrade 2 laying 0.1m, bed course
Middle part presss from both sides one layer of composite geo-membrane and forms waterproof cushion 4；If bottom layer of subgrade 2 is filled using conditioned soil, at the top of bottom layer of subgrade 2
Lay waterproof cushion 4.
5) surface layer of subgrade bed 1 is filled.
Because conditioned soil complicated construction technique, construction quality require high, can be greatly decreased using above-mentioned road structure form
The usage amount of conditioned soil in work progress, it is easy to extensive construction continuously to fill, is ensureing the premise of roadbed quality so as to reach
The purpose of the lower construction efficiency for improving roadbed filling.Above-mentioned road structure is applied to the road that swelled ground area raising is more than more than 3m
Dike fills location, and embankment raising is bigger, then can more embody the economy of the road structure.
Other unspecified parts are prior art.
Claims (7)
1. the Treatment of Expansive Soil Embankment structure that a kind of cored method improvement is reinforced, includes surface layer of subgrade bed (1), bottom layer of subgrade successively from top to bottom
(2), roadbed body (3), it is characterised in that：The both sides of the surface layer of subgrade bed (1) are provided with shoulder protector (12), the bottom layer of subgrade
(2) top both sides are provided with fringing (13), and the two bottom sides of the roadbed body (3) are provided with lower fringing (14), described
The bottom of lower fringing (14) is provided with support spats (10), and the roadbed body (3) fills region (5) and conditioned soil by swelled ground
Region (6) composition is filled, the conditioned soil, which fills region (6) swelled ground is filled into region (5), to be wrapped in roadbed body (3)
The heart；Roadbed body (3) both sides side slope, which is provided through conditioned soil, fills region (6) and stretches into swelled ground and fill region (5)
Anti- slippery grid (7), it is described to prevent slippery grid (7) layered arrangement up and down, by swelled ground reclamation district in the roadbed body (3)
Domain (5) to conditioned soil fills region (6) to peripheral hardware transverse drainage slope, and oblique spilled water hole (8), institute are buried in the transverse drainage slope
State and be provided with loaded filter (11) around oblique spilled water hole (8).
2. the Treatment of Expansive Soil Embankment structure that cored method improvement according to claim 1 is reinforced, it is characterised in that：The roadbed sheet
The swelled ground of body (3) fills region (5) top and is provided with anti-deformation reinforcing layer (9), and the swelled ground fills the bottom of region (5)
It is provided with waterproof cushion (4).
3. the Treatment of Expansive Soil Embankment structure that cored method improvement according to claim 1 or 2 is reinforced, it is characterised in that：The base
Filled in bed bottom (2) using AB fillers or conditioned soil is filled, when being filled using conditioned soil, at the top of bottom layer of subgrade (2)
Waterproof cushion (4) is set；When being filled using AB fillers, waterproof cushion (4) is set in the bottom of bottom layer of subgrade (2).
4. the Treatment of Expansive Soil Embankment structure that cored method improvement according to claim 3 is reinforced, it is characterised in that：The partition pad
Layer (4) is medium coarse sand bed course, and one layer of composite geo-membrane is pressed from both sides in the middle part of medium coarse sand bed course.
5. the Treatment of Expansive Soil Embankment structure that the cored method improvement according to claims 1 or 2 is reinforced, it is characterised in that：It is described
Prevent that slippery grid (7) is laid by direction earthwork grille is horizontal, outer ledge is inflection structure.
6. the Treatment of Expansive Soil Embankment structure that cored method improvement according to claim 1 is reinforced, it is characterised in that：The roadbed sheet
In body (3) by swelled ground fill region (5) to conditioned soil fill the outside transverse drainage slope in region (6) slope be 4%.
7. the Treatment of Expansive Soil Embankment structure that cored method improvement according to claim 6 is reinforced, it is characterised in that：The roadbed sheet
Transverse drainage slope in body (3), vertical height layering laying of the transverse drainage slope along roadbed body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103787.3U CN206680982U (en) | 2017-01-23 | 2017-01-23 | The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720103787.3U CN206680982U (en) | 2017-01-23 | 2017-01-23 | The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206680982U true CN206680982U (en) | 2017-11-28 |
Family
ID=60394805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720103787.3U Active CN206680982U (en) | 2017-01-23 | 2017-01-23 | The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206680982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638545A (en) * | 2017-01-23 | 2017-05-10 | 中铁第四勘察设计院集团有限公司 | Expansive soil embankment structure improved and reinforced through core cladding method and construction method |
-
2017
- 2017-01-23 CN CN201720103787.3U patent/CN206680982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106638545A (en) * | 2017-01-23 | 2017-05-10 | 中铁第四勘察设计院集团有限公司 | Expansive soil embankment structure improved and reinforced through core cladding method and construction method |
| CN106638545B (en) * | 2017-01-23 | 2019-06-18 | 中铁第四勘察设计院集团有限公司 | The Treatment of Expansive Soil Embankment structure and construction method that the improvement of cored method is reinforced |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106676991A (en) | Expansive soil embankment structure improved and reinforced by sandwich method and construction method | |
| CN206928164U (en) | A kind of drainage type concrete road | |
| CN105297571B (en) | A kind of mud stone filled-up ground structure and its construction method | |
| CN207092159U (en) | A kind of swelled ground area basement building float Structure | |
| CN202466341U (en) | Expansive soil roadbed structure | |
| CN113445396B (en) | High-fill road foundation filling construction method for high liquid limit soil road section | |
| CN110485228A (en) | The high-intensitive highway subgrade structure of the closed anti-freeze expansion frost boiling of hydro-thermal and construction method | |
| CN206828898U (en) | A kind of roadbed for filling high liquid limit soil | |
| CN206438358U (en) | A kind of highway soft soil widening of subgrade ruggedized construction | |
| CN107059523A (en) | A kind of construction method that road is built on reclaimed ground and the subgrade strengthening structure of construction method formation | |
| CN106638545B (en) | The Treatment of Expansive Soil Embankment structure and construction method that the improvement of cored method is reinforced | |
| CN109024458A (en) | A kind of coal mine subsidence land landscape revetment and the construction method of water-bed antiseepage | |
| CN101914882A (en) | Low embankment structure in phreatic high slity soil region and construction method thereof | |
| CN206529659U (en) | The Treatment of Expansive Soil Embankment structure that sandwich method improvement is reinforced | |
| CN101418565A (en) | Qinghai-tibet railway permafrost wetland ground treatment technique | |
| CN103243624B (en) | Construction method for salty soil district railway roadbed with water content lower than liquid limit | |
| CN206680982U (en) | The Treatment of Expansive Soil Embankment structure that the improvement of cored method is reinforced | |
| CN206529663U (en) | The Treatment of Expansive Soil Embankment structure that the improvement of compound core-spun method is reinforced | |
| CN112012064A (en) | Technology for treating road soft soil foundation by using geotextile bags | |
| CN107044131A (en) | A kind of anti-seepage method of deep covering layer | |
| CN107268364A (en) | The construction method that mud bag builds road is filled on reclaimed ground | |
| CN204343123U (en) | A kind of structure of preventing and treating highway soft rock engineering sedimentation and deformation disease | |
| CN203625741U (en) | Roadbed filled with tailing sand | |
| CN215758302U (en) | High liquid limit soil roadbed structure | |
| CN102995646B (en) | Net cage protection pad type revetment structure and construction method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |