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

Kuniaki Sato
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Abstract

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.
降雨入渗下防渗墙周围地下水的水力分析
本文基于水力学中的Dupiut假设,对无侧限地下水在截流墙周围降雨入渗的情况下进行了水力分析。流动分析涉及在下降的不透水河床上修建防渗墙所引起的水深变化、流量变化和库容变化。结果表明,存在降雨入渗与不考虑入渗的水流形成了不同的流动特征。通过对具有截流墙的无承压含水层稳定流动的理论结果和计算实例的详细检验,提出了可用的信息。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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