Discussion of “Critical Hydraulic Gradients of Internal Erosion under Complex Stress States” by D. S. Chang and L. M. Zhang

Abstract

Wei Chao Li; Yan FengWen; Hong Cai; Min Chen Xue; Ding Song Xie; and Lee Min Lee Senior Engineer, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100048, China; Senior Engineer, Dept. of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, Beijing 100048, China (corresponding author). E-mail: liwc@iwhr.com Professor, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100048, China; Professor, Dept. of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, Beijing 100048, China. Professor, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100048, China; Professor, Dept. of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, Beijing 100048, China. Engineer, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100048, China; Engineer, Dept. of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, Beijing 100048, China. Senior Engineer, State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, Beijing 100048, China; Senior Engineer, Dept. of Geotechnical Engineering, China Institute of Water Resources and Hydropower Research, Beijing 100048, China. Associate Professor, Dept. of Civil Engineering, Faculty of Engineering and Science, Univ. Tunku Abdul Rahman, 53300 Kuala Lumpur, Malaysia.