Influence of clogging substances on pore characteristics and permeability of geotextile envelope of subsurface drainage pipe in arid areas

Chenyao Guo1, Jingwei Wu1, Yan Zhu1, Zhongbing Lin1 and Shuai He2, (1)Wuhan University, State Key Laboratory of Water Resources and Hydropower Engineering, Wuhan, China, (2)Xinjiang Academy of Agricultural and Reclamation Science, Shihezi, China