后河水库坝基4号间歇面的成因及其抗剪强度分析

The Cause of Formation of No.4 Intermittence Surface and Analysis for the Shearing Strength of Houhe Reservoir Foundation

简要阐述了４号间歇面的成因，从几个方面说明了几种主要因素对后河水库地区抗剪强度的影响，为后河水库地区抗滑稳定分析提供了必要的依据．

The paper summaries the first shearing test in the dam site of Houhe reservoir.It briefly introduces the cause of formation of No.4 intermittence surface and the effect of several principal factors on the shearing strength,and provides the necessary basis to sliding and steady anylysis of Houhe reservoir.