论文部分内容阅读
现行灌浆与排水方法中存在的最大问题是没有考虑所处理裂隙岩体结构面的各向异性条件。针对这一问题 ,在黄河小浪底水利枢纽的灌浆与排水工程中 ,通过前期一系列的野外调查、实验、分析及研究工作 ,在充分考虑裂隙等结构面产状分布特点的基础上 ,提出灌浆和排水斜孔方位计算优选新方法 (简称GJMZ法 ) ,GJMZ法已应用于小浪底的 6项工程。实践证明 ,采用计算优选的灌浆和排水斜孔方位施工 ,在工程质量和经济效益两方面都有显著提高
The biggest problem existing in the current grouting and drainage methods is that the anisotropic conditions of the fractured rock mass face are not considered. In response to this problem, based on a series of field investigation, experiment, analysis and research work in the Xiaolangdi Multipurpose Dam Project of the Yellow River, based on the full consideration of the characteristics of the occurrence of fractures and other structural planes, A new method of calculating the preferred orientation of drainage holes (referred to as GJMZ method) has been applied. The GJMZ method has been applied to 6 projects in Xiaolangdi. Practice has proved that the use of the calculation of the preferred grouting and drainage diagonal hole orientation construction, both in project quality and economic benefits have significantly increased