Pengzhi Pan^1,2, Zhenhua Wu Mr.¹, Decai Zhao³ and Tianbo Yao³, (1)State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan, China, (2)University of Chinese Academy of Sciences, Beijing, China, (3)Guizhou Water Investment Group Co. Ltd, Guiyang, China