Influence of Moisture Content to the Freeze-Thaw Performance of Roadbed in High-Cold Areas

Qiao Ling Wu; Yong Sheng; Feng Xie

doi:10.4028/www.scientific.net/AMM.442.342

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 442Influence of Moisture Content to the Freeze-Thaw...

Influence of Moisture Content to the Freeze-Thaw Performance of Roadbed in High-Cold Areas

Abstract:

Frost-heave and thaw-settlement of roadbed soil in highway will influence directly the durability, safe traffic flow and construction & maintenance costs in high-cold areas, therefore, recognizing and analysing the common embankment technologies of highway roadbed in high-cold areas accurately is significant to the effective controlling of project invest and the highway construction with limited funds in minority areas. The relations of Moisture Content and the freeze-thaw performances of roadbed fillers, subgrade soil were got respectively by experiments, and the results shows: Moisture Content has larger influence on the frost-heave and thaw-settlement performance of the soil. During the embankment of roadbed, the Moisture Content of fillers should be controlled nearby the optimum Moisture Content. The frost-heave and thaw-settlement occurs mainly in the subgrade soil, controlling the Moisture Content of subgrade soil is very important to improve the up-limit of frozen-soil, keep the stability of frozen-soil, control the thaw-settlement of roadbed and get rid of the roadbed diseases. CLC: U416.1 Document code: B

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Periodical:

Applied Mechanics and Materials (Volume 442)

Pages:

342-345

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.442.342

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Online since:

October 2013

Authors:

Qiao Ling Wu, Yong Sheng, Feng Xie

Keywords:

Freeze-Thaw Performance, High-Cold Areas, Moisture Content, Roadbed

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References

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