Shear Strength Parameters of Lime-Treated Expansive Soils

doi:10.3969/j.issn.1001-5485.2012.12.013

JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI ›› 2012, Vol. 29 ›› Issue (12): 62-67.DOI: 10.3969/j.issn.1001-5485.2012.12.013

• ROCK-SOIL ENGINEERING • Previous Articles Next Articles

Shear Strength Parameters of Lime-Treated Expansive Soils

BIAN Jia-min^1,2,3, JIANG Ling^1,2, WANG Bao-tian³

1.Department of Road and Bridge Engineering, Nanjing Communications Institute of Technology, Nanjing 211188, China; 2.Jiangsu Research Center for Traffic Energy Saving and Emission Reduction, Nanjing Communications Institute of Technology, Nanjing 211188, China; 3.Key Laboratory of Ministry of Education for Geomechanics and Embankment Engineering, Hohai University, Nanjing 210098, China

Received:2011-10-20 Online:2012-12-01 Published:2012-12-18

Abstract

Abstract: The strength formation mechanism of lime-treated expansive soil is analyzed, and then the effects of curing time, initial moisture content, lime rate on the cohesion and the internal friction angle of the treated expansive soil are investigated. The cohesion calculation formula in consideration of water content and lime rate is proposed. It is believed that the influence of curing time of 0-7 days on the cohesion and internal friction angle is larger than that of 7-28 days, and the curing time has less influence on internal friction angle than on cohesion. These conclusions can be referential for researches on the shear strength of lime-treated expansive soil.

Key words: expansive soil, lime treated soil, shear strength, curing time

CLC Number:

TV443.3

BIAN Jia-Min, JIANG Ling, WANG Bao-Tian. Shear Strength Parameters of Lime-Treated Expansive Soils[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2012, 29(12): 62-67.

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Shear Strength Parameters of Lime-Treated Expansive Soils

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