[1]China Institute of Geo-Environment Monitoring, China Geological Survey, Beijing 100081, China;
[2]Institute of Geo-Mechanics, Chinese Academy of Geological Sciences, China Geological Survey, Beijing 100081, China;
[3]MOE Key Laboratory of Soft Soils and Geoenvironmen~-al Engineering, Zhejiang University, Hangzhou 310058, China;
[4]Institute o fRock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China;
[5]Urban Planning, Land & Resources Commission of Shenzhen Municipality, Shenzhen, Guangdong 518034, China;
[6]Shenzhen Geotechnical Investigation & Surveying Institute Co., Ltd., Shenzhen, Cuangdong 518026, China;