CN201952698U - Roadbed structure reinforced by geotextile discrete material piles - Google Patents
Roadbed structure reinforced by geotextile discrete material piles Download PDFInfo
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- CN201952698U CN201952698U CN2011200565263U CN201120056526U CN201952698U CN 201952698 U CN201952698 U CN 201952698U CN 2011200565263 U CN2011200565263 U CN 2011200565263U CN 201120056526 U CN201120056526 U CN 201120056526U CN 201952698 U CN201952698 U CN 201952698U
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- 239000004746 geotextile Substances 0.000 title claims abstract description 70
- 239000000463 material Substances 0.000 title abstract description 12
- 239000004576 sand Substances 0.000 claims abstract description 39
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 abstract description 4
- 241000581613 Alchemilla arvensis Species 0.000 abstract 3
- 238000012545 processing Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- -1 makes stake Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model belongs to the field of civil engineering construction, and particularly relates to a roadbed structure reinforced by geotextile discrete material piles. The roadbed structure is characterized by comprising a geotextile discrete material pile layer, a middle coarse sand or break stone mattress layer, a first geogrid or geocell layer and a roadbed fill stratum, the geotextile discrete material pile layer consists of geotextile discrete material piles which are inserted into a soft soil roadbed, the geotextile discrete material piles are distributed on the soft soil roadbed at intervals ranging from 60cm to 250cm, the top of the geotextile discrete material pile layer is located on the ground, the middle coarse sand or break stone mattress layer is arranged at the top of the geotextile discrete material pile layer, the first geogrid or geocell layer is horizontally laid at the top of the middle coarse sand or break stone mattress layer, and the roadbed fill stratum is built on the first geogrid or geocell layer. The roadbed structure is applicable to soft soil roadbed.
Description
Technical field
The utility model belongs to the civil engineering construction field, is specifically related to a kind of road structure.
Background technology
Highway construction such as highway, railway is by weak soil location (soft foundation) time, because of the deficiency of subgrade rating must be carried out the treatment of soft foundation design, to guarantee the stability and the sedimentation and deformation requirement of roadbed.
Summary of the invention
The purpose of this utility model is to provide a kind of road structure that utilizes the geotextile granular pile to reinforce, and this road structure is applicable to soft foundation.
To achieve these goals, technical solution adopted in the utility model is: the road structure that utilizes the geotextile granular pile to reinforce is characterized in that it comprises geotextile granular pile layer, medium coarse sand or rubble mattress layer, first geo-grid or geotechnical grid layer, roadbed fill stratum; Geotextile granular pile layer is made up of the geotextile granular pile, and the geotextile granular pile inserts in the soft foundation, and every interval 60～250cm is laid with a geotextile granular pile soft soil roadbed, and the top of geotextile granular pile layer rest on the ground; The top of geotextile granular pile layer is laid with medium coarse sand or rubble mattress layer, and the top, horizontal of medium coarse sand or rubble mattress layer is equipped with one deck first geo-grid or geotechnical grid layer, has filled the roadbed fill stratum on first geo-grid or the geotechnical grid layer.
Be provided with the geotextile layer between the top of described geotextile granular pile layer and medium coarse sand or the rubble mattress layer.
The stake of described geotextile granular pile is long to be 0.5～25m.
The thickness of described coarse sand or rubble mattress layer is 20～100cm.
Be provided with 1～4 second geo-grid or geotechnical grid layer in described medium coarse sand or the rubble mattress layer.
The beneficial effects of the utility model are: adopt the geotextile granular pile of geotextile granular pile layer to insert in the soft foundation, on geotextile granular pile layer, establish medium coarse sand or rubble mattress layer (perhaps again, between the top of geotextile granular pile layer and medium coarse sand or rubble mattress layer, be provided with the geotextile layer), guarantee the stability and the sedimentation and deformation requirement of roadbed.Road structure of the present utility model is applicable to the soft soil roadbed processing of highway construction various types of properties.
The stress that embankment load is formed by geo-grid and coarse sand or rubble mattress layer is regulated the basis load stress is forwarded on stake and the inter-pile soil, makes stake, soil bear load jointly, and this can effectively improve the effect of soft soil roadbed processing.
Description of drawings
Fig. 1 is the sectional schematic diagram of the road structure that utilizes the reinforcing of geotextile granular pile of the utility model embodiment 1;
Fig. 2 is the sectional schematic diagram of the road structure that utilizes the reinforcing of geotextile granular pile of the utility model embodiment 2;
Among the figure: 1-soft foundation, 2-geotextile granular pile, 3-medium coarse sand or rubble mattress layer, 4-first geo-grid or geotechnical grid layer, 5-roadbed fill stratum, 6-second geo-grid or geotechnical grid layer, 7-geotextile layer.
The specific embodiment
In order to understand the utility model better, further illustrate content of the present utility model below in conjunction with example, but the utility model not only is confined to the following examples.
Embodiment 1:
As shown in Figure 1, the road structure that utilizes the geotextile granular pile to reinforce, it comprises geotextile granular pile layer, medium coarse sand or rubble mattress layer 3, first geo-grid or geotechnical grid layer 4, roadbed fill stratum 5; Geotextile granular pile layer is made up of a plurality of geotextile granular piles 2, (job practices of geotextile granular pile is seen Chinese patent application 200810197321.X in the geotextile granular pile 2 insertion soft foundations 1, denomination of invention is: the method for processing soft foundation by earthwork fabric granular pile), every interval 60～250cm is laid with a geotextile granular pile 2 on soft soil roadbed 1, and the top of geotextile granular pile layer rest on the ground; The top of geotextile granular pile layer is laid with medium coarse sand or rubble mattress layer 3, and the top, horizontal of medium coarse sand or rubble mattress layer 3 is equipped with on one deck first geo-grid or geotechnical grid layer 4, the first geo-grid or the geotechnical grid layer 4 and has filled roadbed fill stratum 5.
The stake of described geotextile granular pile is long to be 0.5～25m.
The thickness of described coarse sand or rubble mattress layer 3 is 20～100cm.
Be provided with 1～4 second geo-grid or geotechnical grid layer 6 (in the present embodiment for being provided with 1 second geogrids layer) in described medium coarse sand or the rubble mattress layer.
Embodiment 2:
As shown in Figure 2, substantially the same manner as Example 1, difference is: be provided with geotextile layer 7 between the top of described geotextile granular pile layer and medium coarse sand or the rubble mattress layer 3.
The job practices of above-mentioned road structure, it comprises the steps:
1) every interval 60～250cm lays a geotextile granular pile 2 (all geotextile granular piles are formed geotextile granular pile layer) on soft soil roadbed 1; The plane mode of laying out pile is quadrangle or triangle, the diameter of geotextile granular pile can be designed to 30～200cm according to actual conditions, the spacing of geotextile granular pile is 0.5～3.0m, the stake of geotextile granular pile is long to be 0.5～25m, design parameters such as pile spacing, length can be handled the degree of depth according to geological conditions, ground, and condition such as subgrade deformation requirement calculates or experiment is determined;
2) adopt one of following two kinds of methods:
1. level is laid layer of geotextile layer 7 on the ground of geotextile granular pile top bit, lays medium coarse sand or rubble mattress layer 3 then on geotextile layer 7; Geotextile layer 7 is to cover one deck geotextiles on one deck geo-grid or one deck geo-grid; The material of medium coarse sand or rubble mattress layer 3 is medium coarse sand or rubble; The thickness of medium coarse sand or rubble mattress layer is 20～100cm, the compacting compactness 0.85～0.95 of coarse sand or rubble mattress layer;
2. or directly on geotextile granular pile top bit, directly lay medium coarse sand or rubble mattress layer 3;
The material of medium coarse sand or rubble mattress layer 3 is medium coarse sand or rubble; The thickness of medium coarse sand or rubble mattress layer is 20～100cm, the compacting compactness 0.85～0.95 of medium coarse sand or rubble mattress layer;
3) material in medium coarse sand or rubble mattress layer top, horizontal laying one deck first geogrids layer 4, the first geogrids layer 4 is geo-grid or geotechnical grid, then filling roadbed the banketing of first geogrids layer, 4 higher slices, forms roadbed fill stratum 5.
In described medium coarse sand or the rubble mattress layer, lay second geogrids layer 6 apart from level by 20～50cm interlamellar spacing; The material of second geogrids layer 6 is a geo-grid.Can establish 1～4 second geogrids layer 6 in medium coarse sand or the rubble mattress layer.
The distance of described interlamellar spacing is meant: the distance between the bottom surface of basecoat first geogrids layer and medium coarse sand or rubble mattress layer (or geotextile layer 7), second adjacent geogrids layer 6 and the distance between second geogrids layer 6, the distance between last layer second geogrids layer 6 and first geogrids layer 4.
The maximum particle diameter of rubble should not surpass 10cm.
Claims (5)
1. the road structure that utilizes the geotextile granular pile to reinforce is characterized in that it comprises geotextile granular pile layer, medium coarse sand or rubble mattress layer (3), first geo-grid or geotechnical grid layer (4), roadbed fill stratum (5); Geotextile granular pile layer is made up of geotextile granular pile (2), geotextile granular pile (2) inserts in the soft foundation (1), go up every interval 60～250cm in soft soil roadbed (1) and be laid with a geotextile granular pile (2), the top of geotextile granular pile layer rest on the ground; The top of geotextile granular pile layer is laid with medium coarse sand or rubble mattress layer (3), the top, horizontal of medium coarse sand or rubble mattress layer (3) is equipped with one deck first geo-grid or geotechnical grid layer (4), has filled roadbed fill stratum (5) on first geo-grid or the geotechnical grid layer (4).
2. the road structure that utilizes the geotextile granular pile to reinforce according to claim 1 is characterized in that: be provided with geotextile layer (7) between the top of described geotextile granular pile layer and medium coarse sand or the rubble mattress layer (3).
3. the road structure that utilizes the geotextile granular pile to reinforce according to claim 1 is characterized in that: the long 0.5～25m of being of stake of described geotextile granular pile.
4. the road structure that utilizes the geotextile granular pile to reinforce according to claim 1, it is characterized in that: the thickness of described coarse sand or rubble mattress layer (3) is 20～100cm.
5. the road structure that utilizes the geotextile granular pile to reinforce according to claim 1 is characterized in that: be provided with 1～4 second geo-grid or geotechnical grid layer (6) in described medium coarse sand or the rubble mattress layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565263U CN201952698U (en) | 2011-03-07 | 2011-03-07 | Roadbed structure reinforced by geotextile discrete material piles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200565263U CN201952698U (en) | 2011-03-07 | 2011-03-07 | Roadbed structure reinforced by geotextile discrete material piles |
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| CN201952698U true CN201952698U (en) | 2011-08-31 |
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| CN2011200565263U Expired - Fee Related CN201952698U (en) | 2011-03-07 | 2011-03-07 | Roadbed structure reinforced by geotextile discrete material piles |
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| CN102444112A (en) * | 2011-09-21 | 2012-05-09 | 陕西长嘉实业发展有限公司 | Gravel pier shell structure used for salinized soft soil foundation and pier shell construction method |
| CN102605699A (en) * | 2012-03-23 | 2012-07-25 | 河海大学 | Technology for settlement control of hollow rigid plate after construction of deep soft soil foundation of high-level embankment |
| CN102926304A (en) * | 2012-11-28 | 2013-02-13 | 中铁第四勘察设计院集团有限公司 | Reinforcement method and reinforcement structure for treating railway soft soil roadbed settlement overweight before operation |
| CN103628379A (en) * | 2013-12-03 | 2014-03-12 | 山东大学 | Method for reinforcing interface of high-intensity geogrid and soil through single graded crushed stone material |
| RU2534840C1 (en) * | 2013-12-23 | 2014-12-10 | Общество с ограниченной ответственностью "Центральный склад N 1" | Ground module |
| CN105350513A (en) * | 2015-12-04 | 2016-02-24 | 中铁第四勘察设计院集团有限公司 | Novel construction method for end-bearing type composite consolidated foundation |
| CN105507228A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel construction method of suspended composite consolidated foundation |
| CN105507230A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel lateral resistance type composite construction method for consolidating foundations |
| CN105507227A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel construction method of large-diameter composite structure pile consolidated foundation |
| CN105793492A (en) * | 2013-09-30 | 2016-07-20 | 吉欧泰克科技有限公司 | Pavement systems with geocell and geogrid |
| CN107700300A (en) * | 2017-10-17 | 2018-02-16 | 蒋昌霞 | A kind of safety protective road foundation |
| CN108457135A (en) * | 2018-03-14 | 2018-08-28 | 广东工业大学 | A kind of Vibrant buffer layer |
| CN111074716A (en) * | 2020-01-20 | 2020-04-28 | 湖南科技学院 | Soft soil foundation airport runway structure and construction method thereof |
| CN111304993A (en) * | 2020-03-17 | 2020-06-19 | 长沙理工大学 | Road surface adds muscle structure |
| CN113323004A (en) * | 2021-06-01 | 2021-08-31 | 中国长江三峡集团有限公司 | Concrete panel rock-fill dam soft foundation reinforcing structure and construction method |
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2011
- 2011-03-07 CN CN2011200565263U patent/CN201952698U/en not_active Expired - Fee Related
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444112B (en) * | 2011-09-21 | 2014-02-26 | 陕西长嘉实业发展有限公司 | Gravel pier shell structure used for salinized soft soil foundation and pier shell construction method |
| CN102444112A (en) * | 2011-09-21 | 2012-05-09 | 陕西长嘉实业发展有限公司 | Gravel pier shell structure used for salinized soft soil foundation and pier shell construction method |
| CN102605699A (en) * | 2012-03-23 | 2012-07-25 | 河海大学 | Technology for settlement control of hollow rigid plate after construction of deep soft soil foundation of high-level embankment |
| CN102926304A (en) * | 2012-11-28 | 2013-02-13 | 中铁第四勘察设计院集团有限公司 | Reinforcement method and reinforcement structure for treating railway soft soil roadbed settlement overweight before operation |
| CN105793492A (en) * | 2013-09-30 | 2016-07-20 | 吉欧泰克科技有限公司 | Pavement systems with geocell and geogrid |
| CN112609523A (en) * | 2013-09-30 | 2021-04-06 | 吉欧泰克科技有限公司 | Pavement system laid on weak roadbed and laying method thereof |
| US10753049B2 (en) | 2013-09-30 | 2020-08-25 | Geotech Technologies Ltd. | Pavement systems with geocell and geogrid |
| US10407837B2 (en) | 2013-09-30 | 2019-09-10 | Geotech Technologies Ltd. | Pavement systems with geocell and geogrid |
| CN103628379A (en) * | 2013-12-03 | 2014-03-12 | 山东大学 | Method for reinforcing interface of high-intensity geogrid and soil through single graded crushed stone material |
| CN103628379B (en) * | 2013-12-03 | 2015-07-29 | 山东大学 | Utilize the high-strength geo-grid-Soil Interface intensifying method of single graded broken stone material |
| RU2534840C1 (en) * | 2013-12-23 | 2014-12-10 | Общество с ограниченной ответственностью "Центральный склад N 1" | Ground module |
| CN105507227A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel construction method of large-diameter composite structure pile consolidated foundation |
| CN105507230A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel lateral resistance type composite construction method for consolidating foundations |
| CN105507228A (en) * | 2015-12-04 | 2016-04-20 | 中铁第四勘察设计院集团有限公司 | Novel construction method of suspended composite consolidated foundation |
| CN105350513A (en) * | 2015-12-04 | 2016-02-24 | 中铁第四勘察设计院集团有限公司 | Novel construction method for end-bearing type composite consolidated foundation |
| CN107700300A (en) * | 2017-10-17 | 2018-02-16 | 蒋昌霞 | A kind of safety protective road foundation |
| CN108457135A (en) * | 2018-03-14 | 2018-08-28 | 广东工业大学 | A kind of Vibrant buffer layer |
| CN111074716A (en) * | 2020-01-20 | 2020-04-28 | 湖南科技学院 | Soft soil foundation airport runway structure and construction method thereof |
| CN111074716B (en) * | 2020-01-20 | 2024-05-17 | 湖南科技学院 | Soft soil foundation airport runway structure and construction method thereof |
| CN111304993A (en) * | 2020-03-17 | 2020-06-19 | 长沙理工大学 | Road surface adds muscle structure |
| CN113323004A (en) * | 2021-06-01 | 2021-08-31 | 中国长江三峡集团有限公司 | Concrete panel rock-fill dam soft foundation reinforcing structure and construction method |
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Owner name: WUHAN GUANGYI TRANSPORTATION SCIENCE AND TECHNOLOG Free format text: FORMER OWNER: FENG SHOUZHONG Effective date: 20140417 Free format text: FORMER OWNER: YAN SHUWANG DUAN HAIPENG LI JIE Effective date: 20140417 |
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Free format text: CORRECT: ADDRESS; FROM: 200437 HONGKOU, SHANGHAI TO: 430074 WUHAN, HUBEI PROVINCE |
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Effective date of registration: 20140417 Address after: 430074 A, block 2502 and 10, building 03, Pioneer Street, East Lake New Technology Development Zone, Wuhan, Hubei, Optics Valley Patentee after: Wuhan Guangyi Traffic Technology Co., Ltd. Address before: 200437 Shanghai city Hongkou District Yiminhe Road 99 Lane 1 Building Room 403 Patentee before: Feng Shouzhong Patentee before: Yan Shuwang Patentee before: Duan Haipeng Patentee before: Li Jie |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110831 Termination date: 20190307 |