On dewatering construction technology of foundation pit in Shaliu station

Combined with practical engineering of deep foundation pit in Shaliu station of metro 2nd line in Tianjin,the author analyzes the problems needed to be solved by dewatering engineering at the stage of construction,carries out qualitative analysis of dewatering design as total water yield of foundation drainage and the number of dewatering well,and illustrates the problems should be noticed in construction,which has a certain referential value.