The lateral earth pressure coefficient at rest, K0, is an important parameter in geotechnical engineering. There have been many studies for unfrozen soils; however, this is not the case for frozen soils, which impedes reasonable calculation concerning cold regions engineering. This paper introduces a novel triaxial apparatus for frozen soils with reference to that for unfrozen soils. The device is capable of performing experiments on frozen soil samples with K0 status under precisely controlled negative temperature. Two soils along the Qinghai-Tibetan highway are taken as study objects. K0 experiments are carried out with the apparatus and K0 is obtained under different testing conditions. It is found that temperature is a dominant factor in influencing K0 of frozen soils, while stress state and soil type should also be taken into account.
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February 2014
Research-Article
Study on Lateral Earth Pressure Coefficient at Rest for Frozen Soils
Jilin Qi,
Jilin Qi
1
e-mail: qijilin@lzb.ac.cn
1Corresponding author.
Search for other works by this author on:
Fan Yu
Fan Yu
State Key Laboratory of Frozen Soil Engineering,
Chinese Academy of Sciences,
Cold and Arid Regions Environmental
and Engineering Research Institute
,Chinese Academy of Sciences,
320 Donggang West Road
,Lanzhou 730000
, China
Search for other works by this author on:
Jilin Qi
e-mail: qijilin@lzb.ac.cn
Fan Yu
State Key Laboratory of Frozen Soil Engineering,
Chinese Academy of Sciences,
Cold and Arid Regions Environmental
and Engineering Research Institute
,Chinese Academy of Sciences,
320 Donggang West Road
,Lanzhou 730000
, China
1Corresponding author.
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING Manuscript received September 25, 2012; final manuscript received August 25, 2013; published online October 25, 2013. Assoc. Editor: Colin Leung.
J. Offshore Mech. Arct. Eng. Feb 2014, 136(1): 011301 (6 pages)
Published Online: October 25, 2013
Article history
Received:
September 25, 2012
Revision Received:
August 25, 2013
Citation
Yao, X., Qi, J., and Yu, F. (October 25, 2013). "Study on Lateral Earth Pressure Coefficient at Rest for Frozen Soils." ASME. J. Offshore Mech. Arct. Eng. February 2014; 136(1): 011301. https://doi.org/10.1115/1.4025546
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