CN105926393A - Method for filling embankments by using bubble mixed light soil - Google Patents
Method for filling embankments by using bubble mixed light soil Download PDFInfo
- Publication number
- CN105926393A CN105926393A CN201610268155.2A CN201610268155A CN105926393A CN 105926393 A CN105926393 A CN 105926393A CN 201610268155 A CN201610268155 A CN 201610268155A CN 105926393 A CN105926393 A CN 105926393A
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- China
- Prior art keywords
- road
- air bubble
- bubble mix
- embankment
- mix light
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C3/00—Foundations for pavings
- E01C3/04—Foundations produced by soil stabilisation
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention relates to the technical field of road and municipal road embankment filling and construction, and concretely relates to a method for filling embankments by using bubble mixed light soil. The method comprises the following steps: 1, determining the filling height of the bubble mixed light soil, cleaning surfaces according to the filling height and the original ground line of a road, and carrying out stepped digging on the road; 2, arranging a cushion layer on the bottom layer of the road after the bottom layer of the road is dug; 3, fixedly arranging a surface plate in the design sideline position of the road, wherein the surface plate is vertical to the cushion layer; 4, pouring the bubble mixed light soil to a groove formed by the cushion layer, the surface plate and the original ground line of the road in a layering manner; and 5, laying an impervious geotextile on the upper surface of the bubble mixed light soil, arranging a draining system, and arranging a pavement structure layer corresponding to the design grade of the road. The method can be used to reduce the bearing capacity of roadbeds, effectively reduces new and old roadbed settlement difference generated in the road widening process, and reduces the problem of much land requisition and many occupied houses on the way in the road widening process.
Description
Technical field
The present invention relates to highway, town road embankment and technical field of construction, be specifically related to a kind of profit
The method carrying out embankment with air bubble mix light-textured soil.
Background technology
It is all kinds of barricade and the mode putting slope in the road embankment processing mode that China is existing frequently-used, but all deposits
In following problem: the mode that the highest enlarging roadbed uses backfill to put slope needs to take more soil
Ground resource, uses the mode of barricade can make road high cost；2. Soft Roadbed enlarging embankment often uses
Rule barricade is of a relatively high to ground requirement for bearing capacity because of it, needs to process ground；3. routine
Mode is relative complex due to construction, and needs machinery is artificial the most at most can be the biggest when urban road construction
The existing traffic of impact, and can to existing road destroy bigger；4. the easy impact in precipitous section in mountain area
Natural hill form, destroys natural environment.
Summary of the invention
The technical problem to be solved is to provide one and utilizes air bubble mix light-textured soil to carry out tunnel
The method of backfill.
The technical scheme is that
A kind of method utilizing air bubble mix light-textured soil to carry out embankment, specifically includes following steps:
Step S1, the designed elevation of basis road to be filled determine that air bubble mix light-textured soil needs the height filled
Degree, combines road upper thread primitively according to filled height and carries out clear table, after determining road bottom position,
Road is carried out step excavation；
Step S2, dig to the road bottom, the road bottom arranges bed course；
Step S3, at road design edge positions, panel is vertically fixed relative to bed course；
Step S4, bed course, panel and road original ground line formed groove in placement layer by layer bubble mix
Close light soil, until air bubble mix light-textured soil reaches road design absolute altitude；
Step S5, lay anti-seepage geotextile at air bubble mix light-textured soil upper surface, and after drainage system is set,
Re-lay the road surface structare layer corresponding with road design grade.
Further, when step S5 lays the road surface structare layer corresponding with road design grade, chance is worked as
To soft base bearing capacity too low time, first carry out corresponding shallow layer foundation process make soft base bearing capacity reach design
Value.
Further, after embankment terminates, in embankment, the unit weight scope of air bubble mix light-textured soil is 4KN/m3～12KN/m3。
Further, after embankment terminates, in embankment, the quality water absorption rate of air bubble mix light-textured soil is 10
It is not more than 20% under rice faucet pressure.
The invention has the beneficial effects as follows: owing to air bubble mix light-textured soil is a kind of porous light-weight material, carrying
Power is strong, and water absorption rate is low, uses this material subgrade rating can be greatly reduced when carrying out roadbed filling,
Allow to reduce the process of soft soil foundation, produce when road widening project new can be effectively reduced simultaneously
The problem of old road base settlement difference.Present invention employs the mode that panel uprightly fills simultaneously, it is not required that
Carry out highway sideline position puts slope excavation, then when can effectively reduce road widening project, expropriation of land is many accounts on the way
By the more problem in house, so that expropriation of land is greatly reduced.The light soil used due to this programme is
Integrated form equipment integrating, adds panel and uses the most prefabricated mode, therefore in original road traffic
Traffic before can not affecting the when of bigger, does not has noise during construction, the ground intensive in residential block simultaneously
Side's construction does not disturbs residents.In mountain area, precipitous section can uprightly be filled and be avoided the high raising of usual manner and dig
Affect initial land form, destroy natural form.This programme easy construction, the duration is short, cost is low, has aobvious
The practicality write and economy.
Accompanying drawing explanation
Fig. 1 uses the embankment schematic cross-section during method of the present invention.
1, road surface structare layer；2, panel；3, road upper thread primitively；4, bed course.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
A kind of method utilizing air bubble mix light-textured soil to carry out embankment, specifically includes following steps:
Step S1, the designed elevation of basis road to be filled determine that air bubble mix light-textured soil needs the height filled
Degree, combines road upper thread primitively according to filled height and carries out clear table, after determining road bottom position,
Road is carried out step excavation；
Step S2, dig to the road bottom, the road bottom arranges bed course 4；
Step S3, at road design edge positions, panel 2 is vertically fixed relative to bed course 4；
Step S4, bed course 4, panel 2 and road upper thread 3 primitively formed groove in placement layer by layer
Air bubble mix light-textured soil, until air bubble mix light-textured soil reaches road design absolute altitude；
Step S5, lay anti-seepage geotextile at air bubble mix light-textured soil upper surface, and after drainage system is set,
Re-lay the road surface structare layer 1 corresponding with road design grade.
When described step S5 lays the road surface structare layer 1 corresponding with road design grade, soft when running into
When base bearing capacity is too low, first carries out the process of corresponding shallow layer foundation and make soft base bearing capacity reach design load.
After embankment terminates, in embankment, the unit weight scope of air bubble mix light-textured soil is 4KN/m3～12KN/m3。
After embankment terminates, in embankment, the quality water absorption rate of air bubble mix light-textured soil is 10 meters of faucet pressures
20% it is not more than under power.
Owing to air bubble mix light-textured soil is a kind of porous light-weight material, bearing capacity is strong, and water absorption rate is low, uses
Subgrade rating can be greatly reduced so that weak soil ground can be reduced when this material carries out roadbed filling
The process of base, can effectively reduce asking of the new and old roadbed settlement difference that produces when road widening project simultaneously
Topic.Present invention employs the mode that panel uprightly fills, it is not required that carry out highway sideline position simultaneously
Put slope excavation, then when can effectively reduce road widening project, expropriation of land is many takies the problem that house is more on the way,
So that expropriation of land is greatly reduced.The light soil used due to this programme is integrated form equipment integrating, then
Add top panel and use the most prefabricated mode, therefore can not shadow original road traffic is bigger when
Traffic before ringing, does not has noise during construction simultaneously, and the local construction intensive in residential block does not disturbs residents.?
Precipitous section, mountain area can uprightly be filled and be avoided the high raising of usual manner and dig and affect initial land form, destroys
Natural form.This programme easy construction, the duration is short, cost is low, has significant practicality and economy.
Present invention is particularly suitable for soft soil roadbed upper embankment, bridges and culverts carries on the back road with retaining wall structure platform (wall)
Dike, Widening Embankment, reparation depression or unstability embankment etc..
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all in the present invention
Spirit and principle within, any modification, equivalent substitution and improvement etc. made, should be included in this
Within bright protection domain.
Claims (4)
1. one kind utilizes the method that air bubble mix light-textured soil carries out embankment, it is characterised in that concrete
Comprise the following steps:
Step S1, the designed elevation of basis road to be filled determine that air bubble mix light-textured soil needs the height filled
Degree, combines road upper thread primitively according to filled height and carries out clear table, after determining road bottom position,
Road is carried out step excavation；
Step S2, dig to the road bottom, the road bottom arranges bed course；
Step S3, at road design edge positions, panel is vertically fixed relative to bed course；
Step S4, bed course, panel and road original ground line formed groove in placement layer by layer bubble mix
Close light soil, until air bubble mix light-textured soil reaches road design absolute altitude；
Step S5, lay anti-seepage geotextile at air bubble mix light-textured soil upper surface, and after drainage system is set,
Re-lay the road surface structare layer corresponding with road design grade.
The method utilizing air bubble mix light-textured soil to carry out tunnel backfill the most according to claim 1, its
It is characterised by, when step S5 lays the road surface structare layer corresponding with road design grade, when running into
When soft base bearing capacity is too low, first carries out the process of corresponding shallow layer foundation and make soft base bearing capacity reach design
Value.
The method utilizing air bubble mix light-textured soil to carry out tunnel backfill the most according to claim 1, its
Being characterised by, after embankment terminates, in embankment, the unit weight scope of air bubble mix light-textured soil is 4KN/m3
～12KN/m3。
The method utilizing air bubble mix light-textured soil to carry out tunnel backfill the most according to claim 1, its
Being characterised by, after embankment terminates, in embankment, the quality water absorption rate of air bubble mix light-textured soil is at 10 meters
20% it is not more than under faucet pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268155.2A CN105926393A (en) | 2016-04-27 | 2016-04-27 | Method for filling embankments by using bubble mixed light soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268155.2A CN105926393A (en) | 2016-04-27 | 2016-04-27 | Method for filling embankments by using bubble mixed light soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105926393A true CN105926393A (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610268155.2A Pending CN105926393A (en) | 2016-04-27 | 2016-04-27 | Method for filling embankments by using bubble mixed light soil |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100048A (en) * | 2017-04-26 | 2017-08-29 | 重庆燕皓建筑材料有限公司 | A kind of filling construction method of air bubble mix light-textured soil in the newly-built road in flat country |
| CN107805987A (en) * | 2017-09-14 | 2018-03-16 | 中交第公路勘察设计研究院有限公司 | The hassock layer Foam lightweight soil road structure and construction method in deep soft foundation section |
| CN107938456A (en) * | 2017-11-29 | 2018-04-20 | 宁波衡华园林建设有限公司 | Fill out river road construction method |
| CN109252542A (en) * | 2018-11-14 | 2019-01-22 | 山东大学 | A kind of root pile lightweight barricade and its construction method for road widening |
| CN109440562A (en) * | 2018-12-05 | 2019-03-08 | 交通运输部科学研究院 | A kind of bubble composite soil roadbed and its construction technology suitable for Frozen Ground Area |
| CN113215864A (en) * | 2021-05-08 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Earth-rock interbed embankment structure and design method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100048A (en) * | 2017-04-26 | 2017-08-29 | 重庆燕皓建筑材料有限公司 | A kind of filling construction method of air bubble mix light-textured soil in the newly-built road in flat country |
| CN107805987A (en) * | 2017-09-14 | 2018-03-16 | 中交第公路勘察设计研究院有限公司 | The hassock layer Foam lightweight soil road structure and construction method in deep soft foundation section |
| CN107938456A (en) * | 2017-11-29 | 2018-04-20 | 宁波衡华园林建设有限公司 | Fill out river road construction method |
| CN107938456B (en) * | 2017-11-29 | 2020-10-09 | 宁波衡华园林建设有限公司 | Construction method for filling river channel |
| CN109252542A (en) * | 2018-11-14 | 2019-01-22 | 山东大学 | A kind of root pile lightweight barricade and its construction method for road widening |
| CN109440562A (en) * | 2018-12-05 | 2019-03-08 | 交通运输部科学研究院 | A kind of bubble composite soil roadbed and its construction technology suitable for Frozen Ground Area |
| CN113215864A (en) * | 2021-05-08 | 2021-08-06 | 中铁二院工程集团有限责任公司 | Earth-rock interbed embankment structure and design method thereof |
| CN113215864B (en) * | 2021-05-08 | 2022-05-03 | 中铁二院工程集团有限责任公司 | Earth-rock interbed embankment structure and design method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160907 |
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| RJ01 | Rejection of invention patent application after publication |