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Sciences in Cold and Arid Regions ›› 2015, Vol. 7 ›› Issue (3): 212-215.doi: 10.3724/SP.J.1226.2015.00212

• ARTICLES • Previous Articles    

Experimental research on physical properties of saline soil subgrade filler in Chaerhan region

Yu Zhang1, JianHong Fang2, JianKun Liu3, AnHua Xu2   

  1. 1. School of Traffic and Transportation, Lanzhou Jiaotong University, Lanzhou, Gansu 730070, China;
    2. Qinghai Research Institute of Transportation, Xining, Qinghai 810001, China;
    3. China School of Civil Engineering, Beijing Jiaotong University, Beijing 100044, China
  • Received:2014-05-20 Revised:2014-11-21 Published:2018-11-23
  • Contact: Yu Zhang, zhangyu@mail.lzjtu.cn E-mail:zhangyu@mail.lzjtu.cn
  • Supported by:
    The authors wish to acknowledge the support and motivation provided by the Gansu Province Natural Science Foundation (No.145RJZA054) and Lanzhou Jiaotong University Young Scientific Research Fund Project (No. 2012032).

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Abstract: In order to improve the engineering stability of saline soil of high chloride content in the Chaerhan salt lake region, six typical characteristics saline soil samples were selected, and tests on their primary physical properties (total salt content, specific gravity of soil, liquid limit, plastic limit, maximum dry density, and optimal water content) were conducted. The relationships among them were analyzed, a series of variation laws between salt content and these basic physical parameters were determined, and regression equations were derived. This research can improve future engineering design and construction in saline soils and can also help prevent subgrade filler from undermining subgrade stability and producing disease.

Key words: saline soil, salt content, soil physical properties

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