Hydraulic Analysis of Ground Water with Rainfall Infiltration around Cut-Off Wall

This paper presents a hydraulic analysis of unconfined ground water with the rainfall infiltration around the cut-off wall, based on Dupiut's assumption as used in hydraulics. Flow analysis is concerned with change of water depth, change of flow rate and storage volume originated in construction of cut-off wall on the declined impermeable bed. It is clearly found that different flow characters are formed by existing the rainfall infiltration compared with those of flow ignored the infiltration. Available informations are proposed by detail examinations of theoretical results and computation examples for steady flow of unconfined aquifer having the cut-off wall.