STUDY ON SOIL-WATER CHARACTERISTIC CURVE OF UNSATURATED LOESS
Studying the soil-water characteristic curve has a great significance in theory and application.In this paper,some studies have been done based on the landslide happened on the north slope of Bailu Tableland in Baqiao District,Xian City,Shaanxi Province,Western China on September 17,2011.Firstly,the loess is classified as silty clay loess based on the test of physical properties.Secondly,based on experiment of soil-water characteristic curve by Pressure Plate Extractor,soil-water characteristic curves of soil samples were obtained,air entry values were determined and influence of dry density on soil-water characteristic curves was analysed.Lastly,after comparative analysis of three soil-water characteristic curve models based on test data with lsqcurvefit function provided by Matlab software,it was found that VG Model is more suitbale for the Bailu Tableland landslide site loess than Fredlund & Xing Model and Gardner Model and all parameters of VG Model were obtained.
unsaturated loess pressure plate extractor soil-water characteristic curve VG model
X.P.SHAN H.J.LIAO C.M.NING
Department of Civil Engineering,Xian Jiaotong University,Xianning west road 28,Xi an,710049,China Department of Civil Engineering,Xian Jiaotong University,Xianning west road 28 Xian,710049,China. Department of Capital Construction,Xi an Jiaotong University,Xianning west road 28,Xi an,710049,Ch
国际会议
5th China-Japan Geotechnical Symposium(第五届中日岩土工程学术会议)
成都
英文
294-297
2013-05-18（万方平台首次上网日期，不代表论文的发表时间）