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各种类型的筑坝基础,都是在长期地质历史条件下逐渐形成的,复杂多样的地质条件,这就不可避免地给水利工程的兴建带来了一系列的工程地质问题,诸如断层、软弱夹层、深厚风化层及裂隙发育岩体等不良工程地质问题。为使大坝建在稳妥可靠的基础上,必须对这些不良工程地质问题进行专门的处理。本文拟就浙江省在不良地基上筑坝较常采用的一些坝基处理措施及工程实例作简要介绍。
Various types of dam foundation, are gradually formed under long-term geological and historical conditions, complex and diverse geological conditions, which inevitably brought to the construction of water conservancy projects a series of engineering geological problems, such as faults, weakness Mezzanine, deep weathered layer and fractured rock mass and other bad engineering geological problems. In order to build the dam on a safe and reliable basis, these adverse engineering geological problems must be specially dealt with. In this paper, we will briefly introduce some dam foundation treatment measures and engineering examples that are commonly used in dam foundation construction on poor foundations in Zhejiang Province.