CN106522074A - Construction technology for gravel-pebble-soil roadbed of expressway - Google Patents
Construction technology for gravel-pebble-soil roadbed of expressway Download PDFInfo
- Publication number
- CN106522074A CN106522074A CN201611022050.5A CN201611022050A CN106522074A CN 106522074 A CN106522074 A CN 106522074A CN 201611022050 A CN201611022050 A CN 201611022050A CN 106522074 A CN106522074 A CN 106522074A
- Authority
- CN
- China
- Prior art keywords
- soil
- cobble
- sand gravel
- construction technology
- loose laying
- 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.)
- Pending
Links
Classifications
-
- 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
- E01C21/00—Apparatus or processes for surface soil stabilisation for road building or like purposes, e.g. mixing local aggregate with binder
-
- 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)
- Road Paving Structures (AREA)
Abstract
The invention relates to a construction technology for a gravel-pebble-soil roadbed of an expressway. The construction technology provides a clear technology route for the roadbed which uses gravel, pebble and soil as a filler. The construction technology comprises subgrade treatment, filler screening, paving, rolling, quality inspection and subsequent curing treatment. When the construction technology disclosed by the invention is used for constructing a roadbed of the expressway, local road construction materials are fully utilized, less fertile farmland is occupied and the investment is reduced; the strength and the stability of the roadbed as well as the service life of a road surface can be guaranteed and the environment can be protected; and compared with an existing lime soil roadbed, the gravel-pebble-soil roadbed constructed by the construction technology is low in cost.
Description
Technical field
The invention belongs to traffic engineering field, and in particular to a kind of earth roadbed construction technology of highway sand gravel and cobble.
Background technology
Sand gravel and cobble is native as a kind of new roadbed embankment material, by clay particle, powder, sand, gravel and surface light
The mellow and full cobble of cunning according to certain gradation composition, its as coarse-grained soil compared with common roadbed filling, shearing resistance strong with water penetration
Intensity height is big with integral rigidity to wait engineering characteristic, is a kind of excellent roadbed embankment material of comparison, but existing specification lacks right
The technological guidance of the earth roadbed construction of sand gravel and cobble, therefore such filler is only used in low-grade highway construction at present, causes a large amount of
The waste of resource.
Technological guidance due to lacking construction, and the detection meanss being suitable for, the earth roadbed construction of current sand gravel and cobble and matter
The problem that amount control is present mainly includes the following aspects：（1）The earth roadbed lack of homogeneity of sand gravel and cobble, using compactness index
It is not enough to weigh roadbed filling quality；（2）There is limitation in the earth roadbed in-situ dry density method of testing of sand gravel and cobble, scene is dry close
Degree test typically adopts douche or sand replacement method.Sand gravel and cobble grogs footpath is big, dry density test pits it is general require it is also big（Maximum grain
1.5～2 times of footpath）, test job amount is very big, and precision is little.It is big for site operation process control difficulties；Sand replacement method and douche
Belong to destructive testing, position degree of being backfilling and compacted of testing pits is extremely difficult to original degree, unfavorable guarantee roadbed total quality；（3）Sand
Gravel land pebble is bulk solid, and cohesive strength very little is quick on the draw to the differential settlement of ground, the earth roadbed stability of sand gravel and cobble
Difference；（4）Yangtze River Delta Area precipitation is big, level of ground water is high, and sand gravel and cobble soil water penetration is strong, and rainwater and subsoil water immersion roadbed are easy
Cause roadbed overall collapse.
The content of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of highway sand gravel and cobble is earth roadbed to be applied
Work technique.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of earth roadbed construction technology of highway sand gravel and cobble, comprises the steps：
（1）Base treatment：Sand gravel and cobble is earth roadbed fill before, carry out removing surface to original ground, remove debris, plough for general
Soil section is planted, original ground removes table soil 30cm depths, while hole, the hole of original ground are backfilled with earth material, and be compacted.
Sand gravel and cobble is earth roadbed fill before, removing surface should be carried out first to original ground, and substrate compactness is carried out
Detection, if substrate is loose ground so as to which heavy compactness is not less than 90%, when the earth roadbed height of sand gravel and cobble is less than 80cm,
Substrate compactness is no less than 95%.
（2）Packing screening：It is filler from sand gravel and cobble soil, the granule content in sand gravel and cobble soil more than 5mm is gravel
The 30% ~ 70% of land pebble gross mass, the granule content less than 0.075mm are the 0 ~ 5% of sand gravel and cobble soil gross mass；Sand gravel and cobble
The maximum particle diameter of soil is not more than the 2/3 of loose laying depth, and when loose laying depth is 30cm, maximum particle diameter is not more than 17cm, loose laying depth
For 40cm when, maximum particle diameter is not more than 22cm；
（3）Pave：Placement in layers, first pave bound edge soil, after pave sand gravel and cobble soil；Sand gravel and cobble soil discharging with pave it is synchronous
Carry out, using the gradual method that paves, dumper along arranged sand gravel and cobble soil running route, by horizontal slice, it is first low after height,
Behind first both sides, the method for central discharge paves out a work surface, is then carried out with bull-dozer just flat；Sand gravel and cobble soil pine paving is thick
Spend for 30 ~ 40cm；Bound edge soil width is 0.5m ~ 2.5m, and loose laying depth is not more than 20cm；
（4）Roll：Sand gravel and cobble soil compacting machinary selects single vibratory road roller or towed vibratory roller, or and impact type
Road roller is combined；Compaction assembly is the pressure static pressure again that shakes after first static pressure, starts static pressure pass and flattens for one time, back and forth wheelmark weight
Folded, then by regulation pass vibroroller cmpacting, wheelmark is overlapped and is calculated one time back and forth, time receipts light of last static pressure, and wheelmark is overlapped back and forth；Grind
Both sides are first pressed to press centre, compacting route to be longitudinally parallel to each other for muller, roll repeatedly again during pressure；Weight between row and row when rolling
40～50cm is folded, adjacent sections overlap 100～150cm in front and back；2～4km/h of rolling speed, starts with a slow speed；
（5）Quality testing：Road surface to rolling carries out quality testing, non-compliant repeat step（4）Roll, conformance with standard
Entrance next process；
（6）Watering health preserving.
The technique pathway base deflection test inspection of the present invention, quality meet specification and design requirement.Using the work of the present invention
Skill carry out it is express highway roadbed construct, make full use of local road-making material, account for good farmland less, investment reduction both can guarantee that roadbed
Intensity and the service life on stable and road surface, and can environmental protection.And it is with low cost to compare existing lime-clay, itself and ash
Soil is compared, and is saved engineering cost, and is reduced ditch cultivated land occupancy expense, and sand gravel and cobble soil is simple as filler working procedure,
Loose laying depth is more bigger than dirt, it is not necessary to fill Calx, can roll, shorten the completion time of project, can reduce people after paving and leveling
Expenses of labour is used, and can bring huge economic benefit.
Specific embodiment
Embodiment 1
（1）Base treatment：Sand gravel and cobble is earth roadbed fill before, carry out removing surface to original ground, remove debris, plough for general
Soil section is planted, original ground removes table soil 30cm depths, while hole, the hole of original ground are backfilled with earth material, and be compacted.
Sand gravel and cobble is earth roadbed fill before, removing surface should be carried out first to original ground, and substrate compactness is carried out
Detection, if substrate is loose ground so as to which heavy compactness is not less than 90%, when the earth roadbed height of sand gravel and cobble is less than 80cm,
Substrate compactness is no less than 95%.
Sand gravel and cobble is earth roadbed fill before the bearing capacity of ground should be tested, the bearing capacity of ground should meet roadbed not
With the requirement of filled height:When rock-filling embankment filled height is less than 10m, foundation bearing capacity not preferably less than 150KPa；When rockfilling
When roadbed filling is highly 10-20m, foundation bearing capacity not preferably less than 200KPa；When rock-filling embankment filled height is more than 20m,
Roadbed preferably should be filled on rock basal plane.When the intensity of embankment substrate undisturbed soil is undesirable, should carry out changing filling out, which changes fills out
Depth is not less than 30cm.If running into unfavorable foundation（Swelled ground, salinized soil, loess etc.）When, should take clearly depending on concrete engineering condition
Silt, discharging consolidation, jackstone, change and fill out or the technical measures such as composite foundation are with consolidation process.
（2）Packing screening：It is filler from sand gravel and cobble soil, the granule content in sand gravel and cobble soil more than 5mm is gravel
The 30% ~ 70% of land pebble gross mass, the granule content less than 0.075mm are the 0 ~ 5% of sand gravel and cobble soil gross mass；Sand gravel and cobble
The maximum particle diameter of soil is not more than the 2/3 of loose laying depth, and when loose laying depth is 30cm, maximum particle diameter is not more than 17cm, loose laying depth
For 40cm when, maximum particle diameter is not more than 22cm；
Sand gravel and cobble soil in roadbed filling should strictly control particle diameter composition, and the granule content in filler more than 5mm should be maintained at
More than 30%, less than 70%, forbid large area region of the sand gravel and cobble soil coarse granule content more than 70% occur, if coarse granule content
It is more, a part of coarse granule can be rejected, or is rolled after appropriate fine grained mix is added in filler again.Sand gravel and cobble soil
In clay content it is unsuitable too high, be advisable less than 5%, specify that particle diameter is clay content less than the granule content of 0.075mm herein, containing mud
Must be improved when measuring excessive.The maximum particle diameter of sand gravel and cobble soil should be less than the 2/3 of paving thickness, judge maximum grain when more difficult
During the value of footpath, maximum particle diameter can be taken as 100mm, manually will be rejected more than the filler of maximum particle diameter part.Live filler
Moisture content strictly must be controlled, moisture content should be controlled within ± the 1% of optimum moisture content, as different coarse granules contain
Sand gravel and cobble soil optimum moisture content difference under amount is larger, so filler moisture content should be judged according to the result of particle screening test
Whether satisfaction is required, if moisture content is excessive, should spread filler out dry in the sun, if moisture content is too small, mix of need to sprinkling water.Sand gravel and cobble soil
Particle screening, measurement of water-content coefficient to be carried out after being transported to scene, coarse granule content determines and determines clay content, meets aforementioned claim
After can fill.
（3）Pave：Placement in layers, first pave bound edge soil, after pave sand gravel and cobble soil；Sand gravel and cobble soil discharging with pave
Synchronously carry out, using the gradual method that paves, dumper is along arranged sand gravel and cobble soil running route, high by horizontal slice, elder generation
Behind low afterwards, first both sides, the method for central discharge paves out a work surface, is then carried out with bull-dozer just flat；Sand gravel and cobble soil pine
Paving thickness is 30 ~ 40cm；Bound edge soil width is 0.5m ~ 2.5m, and loose laying depth is not more than 20cm；
Wherein, bound edge soil selects 5% rendzinas, and Calx fully clearing up using front, and shelving, mixes life using more than III level ash
Calx enclosing material time 2 ~ 3 days, mixes slaked lime enclosing material time 1 ~ 2 day, and the Calx after clearing up was used in 7-10 days.Bound edge soil tool
Body construction flow process is as follows：
Tu Chang mixes ash → shelving in proportion and (mixes quick lime enclosing material time and be not more than 3d no less than 2d, mix slaked lime enclosing material time control
System is in 1d～2d) → excavator turns 1～2 time guarantees that dirt is uniform（Coordinated with bull-dozer if necessary and turned）→ grey dosage inspection
Survey → haul is to scene → smooth voltage stabilizing → spill remaining slaked lime in proportion（List processing in situ and structure sheaf ash underdosage
When）→ road-mixed machine turns 2～3 times → smooth voltage stabilizing casual inspection water content → smooth grinding compacting and reaches the compacting of specified layer position
Degree requirement → health preserving of optionally sprinkling water → apply for checking and examination → enter next procedure.Bound edge soil application every layer of 20cm of work, before construction land pebble
Point two-layer is carried out, and removes finishing sub-layer surface surface dust and debris, and integer and compacting first；Rendzinas is mixed and stirred using secondary
Mixing method, the Calx of addition 60% or so is vexed for the first time puts 1-2 days, and during use, remaining Calx is mixed and stirred for the second time, transports to existing
.For the rendzinas being poured on roadbed, first slightly put down with 140 bull-dozers, upper soil, thick flat on one side, coefficient of loose laying is about
1.15 or so, the construction of filling-up thickness band wire, anti-thrust is low or pushes away too high.After bull-dozer leveling, bound edge soil side is stamped with Calx
Line, is repaired to bound edge soil edge using digging machine, it is ensured that bound edge soil is uniform with sand gravel and cobble Soil Interface.Should be with after thick flat
Lime dosage is detected（Prevent the decay of grey dosage）If grey underdosage need to supply lime dosage, use road-mixed machine uniform mixing,
Testing staff checks the uniformity mixed and stirred and the depth mixed and stirred, and testing staff digs pit inspections every 10～20m, prevents and " presss from both sides
Layer " phenomenon.
For obtain sand gravel and cobble soil coefficient of loose laying, during construction per mono- section of 10m away from each 1.5m of Lu Zhizheng or so width,
Totally eight positions arrange characteristic point for 10m, 15m, 20m, calculate the average of sand gravel and cobble soil application work from the data of whole characteristic point
Coefficient of loose laying, the coefficient of loose laying of sand gravel and cobble soil loose laying depth 40cm is 1.13, the coefficient of loose laying 1.12 of loose laying depth 30cm.Choosing
Efficiency of construction can be improved with 40cm coefficient of loose laying.
（4）Roll：Loose laying depth, flatness and the water content that laminate layer is treated before rolling is checked；In sand gravel and cobble soil
Rolled during water content 5.5%.Sand gravel and cobble soil compacting machinary selects single vibratory road roller or towed vibratory roller,
Or be combined with impact roller；Compaction assembly is the pressure static pressure again that shakes after first static pressure, starts static pressure pass and flattens for one time,
Wheelmark is overlapped back and forth, and then by regulation pass vibroroller cmpacting, wheelmark is overlapped and calculated one time back and forth, time receipts light of last static pressure, back and forth
Wheelmark is overlapped；Both sides are first pressed to press centre, compacting route to be longitudinally parallel to each other for muller, roll repeatedly again when rolling；When rolling
Row and row between Chong Dies 40～50cm, in front and back adjacent sections overlap 100～150cm；2～4km/h of rolling speed, starts with slow
Speed；
It is preferred that being rolled using single vibratory road roller, compacting tonnage is more than 20t, frequency of vibration 25-32Hz, amplitude 1.5mm
More than, rolling speed 2-4km/h；Wherein, the number of times of vibroroller cmpacting is, for 30cm loose laying depths, vibroroller cmpacting 4 ~ 5 times；It is right
In 40cm loose laying depths, vibroroller cmpacting 5 ~ 6 times.
（5）Quality testing：Road surface to rolling carries out quality testing, non-compliant repeat step（4）Roll, meet
The entrance next process of standard.Wherein, the Testing index of sand gravel and cobble soil adopts differential settlement, control standard value to be set to 4mm, protect
Demonstrate,prove all measuring point differential settlements in each detector segments and be respectively less than exceptional value 5.8mm；All test point sedimentations in each detector segments
Difference is not less than 95% less than the fraction of 4mm.
（6）Watering health preserving.
Claims (6)
1. the earth roadbed construction technology of a kind of highway sand gravel and cobble, it is characterised in that comprise the steps：
（1）Base treatment：Sand gravel and cobble is earth roadbed fill before, carry out removing surface to original ground, remove debris, plough for general
Soil section is planted, original ground removes table soil 30cm depths, while hole, the hole of original ground are backfilled with earth material, and be compacted；
（2）Packing screening：It is filler from sand gravel and cobble soil, the granule content in sand gravel and cobble soil more than 5mm is sand gravel and cobble
The 30% ~ 70% of native gross mass, the granule content less than 0.075mm are the 0 ~ 5% of sand gravel and cobble soil gross mass；Sand gravel and cobble soil
Maximum particle diameter is not more than the 2/3 of loose laying depth, and when loose laying depth is 30cm, maximum particle diameter is not more than 17cm, and loose laying depth is
During 40cm, maximum particle diameter is not more than 22cm；
（3）Pave：Placement in layers, first pave bound edge soil, after pave sand gravel and cobble soil；Sand gravel and cobble soil discharging with pave it is synchronous
Carry out, using the gradual method that paves, dumper along arranged sand gravel and cobble soil running route, by horizontal slice, it is first low after height,
Behind first both sides, the method for central discharge paves out a work surface, is then carried out with bull-dozer just flat；Sand gravel and cobble soil pine paving is thick
Spend for 30 ~ 40cm；Bound edge soil width is 0.5m ~ 2.5m, and loose laying depth is not more than 20cm；
（4）Roll：Sand gravel and cobble soil compacting machinary selects single vibratory road roller or towed vibratory roller, or and impact type
Road roller is combined；Compaction assembly is the pressure static pressure again that shakes after first static pressure, starts static pressure pass and flattens for one time, back and forth wheelmark weight
Folded, then by regulation pass vibroroller cmpacting, wheelmark is overlapped and is calculated one time back and forth, time receipts light of last static pressure, and wheelmark is overlapped back and forth；Grind
Both sides are first pressed to press centre, compacting route to be longitudinally parallel to each other for muller, roll repeatedly again during pressure；Weight between row and row when rolling
40～50cm is folded, adjacent sections overlap 100～150cm in front and back；2～4km/h of rolling speed, starts with a slow speed；
（5）Quality testing：Road surface to rolling carries out quality testing, non-compliant repeat step（4）Roll, conformance with standard
Entrance next process；
（6）Watering health preserving.
2. construction technology according to claim 1, it is characterised in that the step（3）In, bound edge soil coefficient of loose laying is
1.15；The coefficient of loose laying of sand gravel and cobble soil loose laying depth 40cm is 1.13, the coefficient of loose laying 1.12 of loose laying depth 30cm.
3. construction technology according to claim 1, it is characterised in that the step（3）In, bound edge soil selects 5% Calx
Soil, Calx fully being cleared up using front, and shelving, are mixed quick lime enclosing material time 2 ~ 3 days, mix slaked lime using more than III level ash
Enclosing material time 1 ~ 2 day, the Calx after clearing up was used in 7-10 days.
4. construction technology according to claim 1, it is characterised in that the step（4）In, the pine of laminate layer is treated before rolling
Paving thickness, flatness and water content are checked；Rolled in sand gravel and cobble soil water content 5.5%.
5. construction technology according to claim 1, it is characterised in that the step（4）In, roll from single steel wheeled vibratory
Road roller, compacting tonnage be more than 20t, frequency of vibration 25-32Hz, more than amplitude 1.5mm, rolling speed 2-4km/h；Wherein,
The number of times of vibroroller cmpacting is, for 30cm loose laying depths, vibroroller cmpacting 4 ~ 5 times；For 40cm loose laying depths, vibroroller cmpacting 5 ~ 6
Time.
6. construction technology according to claim 1, it is characterised in that the step（5）In, the detection of sand gravel and cobble soil refers to
Mark adopts differential settlement, control standard value to be set to 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022050.5A CN106522074A (en) | 2016-11-21 | 2016-11-21 | Construction technology for gravel-pebble-soil roadbed of expressway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611022050.5A CN106522074A (en) | 2016-11-21 | 2016-11-21 | Construction technology for gravel-pebble-soil roadbed of expressway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106522074A true CN106522074A (en) | 2017-03-22 |
Family
ID=58353005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611022050.5A Pending CN106522074A (en) | 2016-11-21 | 2016-11-21 | Construction technology for gravel-pebble-soil roadbed of expressway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106522074A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100049A (en) * | 2017-06-07 | 2017-08-29 | 安徽省交通规划设计研究总院股份有限公司 | A kind of clay improves the construction method of CHARACTERISTICS OF TAILINGS SAND roadbed filling |
| CN107188525A (en) * | 2017-07-13 | 2017-09-22 | 山东大学 | Roadbed filling that a kind of building waste is produced with river sand and preparation method thereof |
| CN107859042A (en) * | 2017-11-01 | 2018-03-30 | 辽河石油勘探局 | A kind of moist expansion cubic metre of earth and stone earth-filling method |
| CN108867283A (en) * | 2018-08-17 | 2018-11-23 | 上海宝冶集团有限公司 | In-service quality determining method for roadbed filling compacting |
| CN110042727A (en) * | 2018-01-17 | 2019-07-23 | 广州星卫草业服务有限公司 | A kind of construction method of natural grass sports field root zone |
| CN112982054A (en) * | 2019-12-14 | 2021-06-18 | 浙江建腾建设有限公司 | Reinforcing treatment construction method for specific geological rainflower stone gravel layer roadbed in Nanjing area |
| CN113123323A (en) * | 2021-04-21 | 2021-07-16 | 鹏图建设有限公司 | Lime soil construction process |
| CN114395946A (en) * | 2021-12-31 | 2022-04-26 | 中铁五局集团第二工程有限责任公司 | Drainage improvement construction method for soft soil layer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038484A (en) * | 1988-06-11 | 1990-01-03 | 湖南省电力勘测设计院 | Build the method for the gravity flow ash embankment on the ridge, limit with flyash |
| JP3653083B2 (en) * | 2003-01-23 | 2005-05-25 | 株式会社ダイヤコンサルタント | Road construction method |
| CN1760449A (en) * | 2004-10-11 | 2006-04-19 | 中铁四局集团第一工程有限公司 | Mixing construction technique for road of secondary soil lime and soil lime in large area, and test method of quality control |
| CN102747662A (en) * | 2012-07-18 | 2012-10-24 | 上海城建市政工程（集团）有限公司 | Construction method for sand-filling subgrade |
| CN103882788A (en) * | 2014-03-12 | 2014-06-25 | 湖南瑞霦科技有限公司 | Road building method based on modified roller compacted concrete pavement on enzyme soil solidified base layer |
-
2016
- 2016-11-21 CN CN201611022050.5A patent/CN106522074A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1038484A (en) * | 1988-06-11 | 1990-01-03 | 湖南省电力勘测设计院 | Build the method for the gravity flow ash embankment on the ridge, limit with flyash |
| JP3653083B2 (en) * | 2003-01-23 | 2005-05-25 | 株式会社ダイヤコンサルタント | Road construction method |
| CN1760449A (en) * | 2004-10-11 | 2006-04-19 | 中铁四局集团第一工程有限公司 | Mixing construction technique for road of secondary soil lime and soil lime in large area, and test method of quality control |
| CN102747662A (en) * | 2012-07-18 | 2012-10-24 | 上海城建市政工程（集团）有限公司 | Construction method for sand-filling subgrade |
| CN103882788A (en) * | 2014-03-12 | 2014-06-25 | 湖南瑞霦科技有限公司 | Road building method based on modified roller compacted concrete pavement on enzyme soil solidified base layer |
Non-Patent Citations (2)
| Title |
|---|
| 向劲: "公路路基填筑施工技术及质量控制", 《建材发展导向（下）》 * |
| 牛文囡: "高速公路煤矸石填筑路基的技术要点", 《黑龙江科技信息》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100049A (en) * | 2017-06-07 | 2017-08-29 | 安徽省交通规划设计研究总院股份有限公司 | A kind of clay improves the construction method of CHARACTERISTICS OF TAILINGS SAND roadbed filling |
| CN107188525A (en) * | 2017-07-13 | 2017-09-22 | 山东大学 | Roadbed filling that a kind of building waste is produced with river sand and preparation method thereof |
| CN107859042A (en) * | 2017-11-01 | 2018-03-30 | 辽河石油勘探局 | A kind of moist expansion cubic metre of earth and stone earth-filling method |
| CN110042727A (en) * | 2018-01-17 | 2019-07-23 | 广州星卫草业服务有限公司 | A kind of construction method of natural grass sports field root zone |
| CN108867283A (en) * | 2018-08-17 | 2018-11-23 | 上海宝冶集团有限公司 | In-service quality determining method for roadbed filling compacting |
| CN112982054A (en) * | 2019-12-14 | 2021-06-18 | 浙江建腾建设有限公司 | Reinforcing treatment construction method for specific geological rainflower stone gravel layer roadbed in Nanjing area |
| CN113123323A (en) * | 2021-04-21 | 2021-07-16 | 鹏图建设有限公司 | Lime soil construction process |
| CN114395946A (en) * | 2021-12-31 | 2022-04-26 | 中铁五局集团第二工程有限责任公司 | Drainage improvement construction method for soft soil layer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106522074A (en) | Construction technology for gravel-pebble-soil roadbed of expressway | |
| CN102747662A (en) | Construction method for sand-filling subgrade | |
| CN108611932A (en) | It is a kind of pass through pool, fish pond location multiply road railway high-fill roadbed construction method | |
| CN108468325A (en) | A kind of large area borders on the sea beach ooze rapid curing construction method | |
| CN106245503A (en) | A kind of for rendzinas control debulking methods in roadbed filling | |
| CN107338686A (en) | A kind of Subgrade Filled Soil in High Speed Railway construction method | |
| CN103276649B (en) | Side is had to limit layering many thickness Stone Filled Embankment construction method | |
| CN112411289A (en) | High fill roadbed construction method adjacent to dam | |
| CN102704364A (en) | Clay serging tailings subgrade structure and construction method thereof | |
| CN108978385A (en) | A kind of roadbed construction method on the road Tong Cun | |
| CN111778796A (en) | Roadbed construction process | |
| CN107237301B (en) | The construction method of high altitude localities sand-gravel dam continuous laying | |
| CN107653758A (en) | Laterite bound edge wind-blown sand fill subgrade construction method | |
| CN110761137B (en) | Non-damage layered rolling construction method using cement-modified fine silt as roadbed filler | |
| CN116377780A (en) | Mountain highway high-fill roadbed filling construction method | |
| CN102943423A (en) | Construction technology for clay roadbed with high liquid limit | |
| CN104863031A (en) | Karst region ductile anti-collapse roadbed structure and construction method of Karst region ductile anti-sag roadbed structure | |
| CN103276716B (en) | A kind of changeover portion CFG stake and mattress layer composite foundation stabilization construction method | |
| CN110080232A (en) | A kind of deep basal pit earth-filling method of underground high water level | |
| CN104762859B (en) | Mountain skin stone processes soft soil roadbed method | |
| CN106812118A (en) | One kind is for mixing gravel earth material Gradation Control method | |
| CN112813756A (en) | Roadbed based on municipal soft soil and construction method | |
| CN216864694U (en) | Aeolian sand roadbed dry-type sandwich structure | |
| CN113652914A (en) | Construction method and application of salinized soil roadbed | |
| Low et al. | Portage Mountain Dam: III. Development of Construction Control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |