CN104762859A - Method for treating soft soil roadbed by hillside stones - Google Patents
Method for treating soft soil roadbed by hillside stones Download PDFInfo
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- CN104762859A CN104762859A CN201510114383.XA CN201510114383A CN104762859A CN 104762859 A CN104762859 A CN 104762859A CN 201510114383 A CN201510114383 A CN 201510114383A CN 104762859 A CN104762859 A CN 104762859A
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Abstract
A method for treating soft soil roadbed by hillside stones comprises the following steps that the surface of the soft soil roadbed is cleaned, measuring and lofting are conducted, hillside stone materials with the grain sizes being smaller than or equal to 60 cm are conveyed to a site, and then the materials are paved, shaped, laminated and subjected to health maintenance; after a first layer of structure is subjected to health maintenance, a second layer of structure is constructed; the calculated hillside stones are paved according to the designed width and thickness, and then shaping, laminating and health maintenance are conducted again. The strength of the soft soil roadbed which is treated by the hillside stones is improved by three to five times, and plastic deformation is reduced by 70%-80%. The frost resistance is improved, the compactness is not changed after the soft soil roadbed is frozen, and the expansion coefficient is reduced by 60%-80%. The method for treating the soft soil roadbed by the hillside stones has the advantages that the construction progress is effectively accelerated, the construction period is shortened, and the construction method is suitable for various soft soil roadbeds.
Description
Technical field
The present invention relates to the method for building different kinds of roads, the method that particularly the skin stone process of a kind of mountain is soft soil roadbed, be applicable at frozen soil, different kinds of roads built by the soft foundation such as groundwater table is high, spring is native, salt-soda soil.
Background technology
At present, China coast industrial base geological condition is complicated, usually there is the multiple soft foundations such as frozen soil, groundwater table are high, spring is native, salt-soda soil, conventional Soft Soil Subgrade Treatment Method is adopted both to need the longer duration, as roadbed General Requirements has the sedimentation of more than 12 months just can carry out pavement construction, can not fundamentally solve subgrade stability sex chromosome mosaicism again, as rendzinas roadbed shrinkage ftractures greatly, easily, should not be used for moist section, and need to waste substantial contribution.
As can be seen here, in order to overcome the above-mentioned defect existed in the construction of conventional soft base processing method, seek one not only economy but also can gather materials on the spot, convenient construction, and the effective ways of coastal soft subgrade treatment can be solved in shorter time, be the task that current coastal industrial base builder one is very urgent.
Summary of the invention
The present invention is directed to the defect of prior art, provide a kind of mountain skin stone process soft soil roadbed method, this construction method is applicable to various soft soil roadbed, effectively shortens the duration, fundamentally solves the stability problem of roadbed.
Realize this following technical scheme of above-mentioned purpose:
a kind ofthe soft soil roadbed method of mountain skin stone process, is characterized in that, comprise the steps:
A. soft soil roadbed clear table: first full width is down dug from original ground, detects the absolute altitude after original ground absolute altitude and clear table at any time, to ensure that ground eliminating impurities is clean and protect
Card filling-up thickness; Measure the rear bottom width degree of clear table, to meet roadbed filling width, road
Place soil when base is shown clearly and be greater than 2m from clear table boundary;
B, surveying and locating: on the basis of SURVEYING CONTROL NETWORK, lay double-direction control stake, form 10*10m Controling network, run into bend place and be encrypted, and mark the elevation after empty paving elevation and compacting;
C, particle diameter be less than or equal to 60cm mountain skin building stones transport to scene, then material is paved, shaping, roll, health;
D. after the health of first floor structure completes, the construction of second layer deck is carried out: shakeout by design width, thickness by the mountain skin stone calculated, again carry out shaping, roll, health.
As preferably, the loose Pu coefficient of empty paving elevation is 1.30, and concrete numerical value is determined according to test section.
As preferably, the described method of paving adopts man-machine cooperation to pave, and first shakeouts roughly with bulldozer, then adopts land leveller essence flat, the group that paves of 10m fit on 3-5 people after land leveller, timely treated aggregate non-uniform phenomenon.
As preferably, the rolling method that described employing first quiet after shock is quiet again, the road roller speed of travel is 1.5-1.7km/h, first use road roller static pressure 2-3 time, find out uneven part, with manually filling, then roll 4-5 time with vibratory roller, finally adopt road roller static pressure 2-3 time.
As preferably, mountain skin stone filling-up thickness is more than or equal to 90cm.
Adopt technique scheme, compared with prior art, the soft soil roadbed intensity through mountain skin stone process improves 3-5 doubly, and plastic strain reduces 70%-80%.Frost resistance improves, and after enduring cold, compactness is unchanged, and the coefficient of expansion reduces 60%-80%; Effective accelerating construction progress, shorten the construction period, this construction method is applicable to various soft soil roadbed, and moist section can be used for even be applicable to roadbed in water, effectively overcome the differential settlement of roadbed, decrease the maintenance number of times of settlement of subgrade cracking in useful life, reduce late maintaining cost, decrease job site dust granules, reduce the Environmental costs in road construction, ensure that constructor is healthy.
Accompanying drawing explanation
Fig. 1 is road structure schematic diagram of the present invention:
In figure: mountain skin stone 1, remove table soil thickness 2.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further described.
Specific construction process of the present invention is as follows:
1. preparation of construction
Test to mountain skin stone 1 before the present invention constructs, material maximum particle diameter is not more than 60cm, exceedes this part and carries out fragmentation in purchase; Coordinate control point and vertical control point are carried out in scene.
2. surveying and locating
The present invention lays double-direction control stake on the basis of SURVEYING CONTROL NETWORK, forms 10*10m Controling network, runs into bend and is in and is encrypted, and marks elevation after empty paving elevation and compacting with red paint.Pine Pu coefficient generally gets 1.30, and concrete numerical value is determined according to test section.
3. soft soil roadbed clear table
First full width is down dug from original ground, and removing table soil thickness 2 is 40-60cm, detects the absolute altitude after original ground absolute altitude and clear table at any time, to ensure that ground foreign material (as weeds, Za Shu, humus) are removed clean and ensure filling-up thickness; Measure the rear bottom width degree of clear table, to meet roadbed filling width, will consider the gradient of side slope when roadbed is shown clearly, placing soil will from clear more than table boundary 2m;
4. mountain skin stone transport
Adopt dump truck to be transported to scene in the mountain skin stone 1 meeting designing requirement particle diameter, carry out finished product protection during transport, never allow heavy-duty truck transportation, stop to drive over the speed limit, carry out security protection; Computed in advancely unload following distance, then carry out unloading, backfill, the shaping that paves, roll, health;
5. backfill
Different characteristics design mountain skin stone 1 according to various roadbed backfills thickness, and thickness is more than or equal to 90cm.
6. pave shaping
The present invention adopts man-machine cooperation to pave, and first shakeouts roughly with bulldozer, then adopts land leveller essence flat, the group that paves of 10m fit on 3-5 people after land leveller, timely treated aggregate non-uniform phenomenon.
7. roll
The rolling method that the present invention adopts first quiet after shock quiet again, follow first light after heavy, first slow after fast, principle that wheelmark is overlapping; The road roller speed of travel is 1.5-1.7km/h, and compactness suitably can accelerate rolling speed after increasing, and round trip is one time, first adopting road roller static pressure 2-3 time, finding out uneven part, with manually filling, then roll 4-5 time with vibratory roller, finally adopt road roller static pressure 2-3 time.
8. after the health of first floor structure completes, carry out the construction of second layer deck: shakeout by one fixed width, thickness by the mountain skin stone calculated, again carry out shaping, roll, health.
The present invention is applied to and builds advanced road and ordinary road, is particularly useful for the needs of coastal cities road foundation one-stage completion.It can make China wet, soft, freeze, the compaction quality of saline-alkali soil roadbed and intensity reaches advanced world standards.
Claims (5)
1. the method that the process of mountain skin stone is soft soil roadbed, is characterized in that, comprise the steps:
A. soft soil roadbed clear table: first full width is down dug from original ground, removing table soil thickness is 40-60cm, detects the absolute altitude after original ground absolute altitude and clear table at any time, to ensure that ground eliminating impurities is clean and ensure filling-up thickness; Measure the rear bottom width degree of clear table, to meet roadbed filling width, place soil when roadbed is shown clearly and be greater than 2m from clear table boundary;
B, surveying and locating: on the basis of SURVEYING CONTROL NETWORK, lay double-direction control stake, form 10*10m Controling network, run into bend place and be encrypted, and mark the elevation after empty paving elevation and compacting;
C, particle diameter be less than or equal to 60cm mountain skin building stones transport to scene, then material is paved, shaping, roll, health;
D. after the health of first floor structure completes, the construction of second layer deck is carried out: shakeout by design width, thickness by the mountain skin stone calculated, again carry out shaping, roll, health.
2.
the method that mountain according to claim 1 skin stone process is soft soil roadbed, is characterized in that, the loose Pu coefficient of empty paving elevation is 1.30, and concrete numerical value is determined according to test section.
3.
the method that mountain according to claim 1 skin stone process is soft soil roadbed, it is characterized in that, the described method of paving adopts man-machine cooperation to pave, first shakeout roughly with bulldozer, then adopt land leveller essence flat, the group that paves of fit on 3-5 people is joined outside 10m, timely treated aggregate non-uniform phenomenon after land leveller.
4.
the method that mountain according to claim 1 skin stone process is soft soil roadbed, it is characterized in that, adopt the rolling method that first quiet after shock is quiet again, the road roller speed of travel is 1.5-1.7km/h, first use road roller static pressure 2-3 time, find out uneven part, with manually filling, then roll 4-5 time with vibratory roller, finally adopt road roller static pressure 2-3 time.
5. the method that mountain according to claim 1 skin stone process is soft soil roadbed, is characterized in that, described mountain skin stone filling-up thickness is more than or equal to 90cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510114383.XA CN104762859B (en) | 2015-03-17 | 2015-03-17 | Mountain skin stone processes soft soil roadbed method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510114383.XA CN104762859B (en) | 2015-03-17 | 2015-03-17 | Mountain skin stone processes soft soil roadbed method |
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| CN104762859A true CN104762859A (en) | 2015-07-08 |
| CN104762859B CN104762859B (en) | 2017-03-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611930A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of laying method of track bed |
| CN109235389A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of hydroenergy storage station library basin flattening device |
| CN113106926A (en) * | 2021-05-12 | 2021-07-13 | 中国二十二冶集团有限公司 | Construction method for foundation backfill of blown-fill sand reclamation foundation in coastal region |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0135478A1 (en) * | 1983-09-01 | 1985-03-27 | Plana Engineering AG | Method of stabilising soils so as to improve their bearing capacity |
| EP1496161A1 (en) * | 2003-07-11 | 2005-01-12 | Ooms Avenhorn Holding B.V. | Method to stabilise the traffic route |
| JP2009024460A (en) * | 2007-07-23 | 2009-02-05 | Yuichi Tsukada | Base course for artificial lawn underlayer and method of developing the same |
| CN202232063U (en) * | 2011-09-20 | 2012-05-30 | 北京正和恒基滨水生态环境治理有限公司 | Saline-alkali soil treatment system |
| CN102493305A (en) * | 2011-11-29 | 2012-06-13 | 上海市城市建设设计研究总院 | Subgrade treatment structure of soft soil areas and construction technology thereof |
| CN102912784A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Geotechnical cloth, twig and mountain stone combined treatment soft soil foundation |
| CN102912702A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Soft soil subgrade treatment method adopting spodosol and hill-skill soil |
| CN203475269U (en) * | 2013-07-24 | 2014-03-12 | 盘锦斯比瑞涂装有限公司 | Embossed terrace |
-
2015
- 2015-03-17 CN CN201510114383.XA patent/CN104762859B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0135478A1 (en) * | 1983-09-01 | 1985-03-27 | Plana Engineering AG | Method of stabilising soils so as to improve their bearing capacity |
| EP1496161A1 (en) * | 2003-07-11 | 2005-01-12 | Ooms Avenhorn Holding B.V. | Method to stabilise the traffic route |
| JP2009024460A (en) * | 2007-07-23 | 2009-02-05 | Yuichi Tsukada | Base course for artificial lawn underlayer and method of developing the same |
| CN202232063U (en) * | 2011-09-20 | 2012-05-30 | 北京正和恒基滨水生态环境治理有限公司 | Saline-alkali soil treatment system |
| CN102493305A (en) * | 2011-11-29 | 2012-06-13 | 上海市城市建设设计研究总院 | Subgrade treatment structure of soft soil areas and construction technology thereof |
| CN102912784A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Geotechnical cloth, twig and mountain stone combined treatment soft soil foundation |
| CN102912702A (en) * | 2012-11-08 | 2013-02-06 | 沈阳建筑大学 | Soft soil subgrade treatment method adopting spodosol and hill-skill soil |
| CN203475269U (en) * | 2013-07-24 | 2014-03-12 | 盘锦斯比瑞涂装有限公司 | Embossed terrace |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611930A (en) * | 2018-06-07 | 2018-10-02 | 重庆工业职业技术学院 | A kind of laying method of track bed |
| CN109235389A (en) * | 2018-11-20 | 2019-01-18 | 国家电网有限公司 | A kind of hydroenergy storage station library basin flattening device |
| CN113106926A (en) * | 2021-05-12 | 2021-07-13 | 中国二十二冶集团有限公司 | Construction method for foundation backfill of blown-fill sand reclamation foundation in coastal region |
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| CN104762859B (en) | 2017-03-01 |
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Address after: 212300, No. 88, south two ring road, Danyang, Jiangsu, Zhenjiang Patentee after: Kao ecological engineering Limited by Share Ltd Address before: 212300 Zhenjiang City, Danyang Province, South Ring Road No. 99, No., No. two Patentee before: Jiangsu Huawang Horticultural Co.,Ltd. |
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