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本专题结合二滩和李家峡工程,研究高坝坝基岩体的稳定性评价和可利用岩体的质量标准。内容包括岩体工程条件的调研;岩体结构定量化研究;坝基岩体地应力场、渗透介质场的建立及对岩体工程条件的影响和评价;岩体工程质量分级体系的建立和应用;岩体的力学特性、破坏机理及参数的预测和选取;基础加固灌浆试验和应用;高坝坝基工程岩体稳定性的综合分析和评价;坝基可利用岩体研究和建基面优选的程序、方法和准则;基础岩体监测设计等。
This project combines the Ertan and Lijiaxia projects to study the stability evaluation of high rock mass dam foundation and the quality standards of available rock mass. The research includes the investigation of engineering conditions of rock mass, the quantitative study of rock mass structure, the establishment of ground stress field and infiltration medium field, the influence and evaluation of rock mass engineering conditions, the establishment and application of rock mass engineering grading system, Mechanical properties of rock mass, failure mechanism and parameter prediction and selection; foundation reinforcement grouting test and application; comprehensive analysis and evaluation of rock dam stability of dam foundation engineering; dam foundation can make use of rock mass research and construction surface optimization program, Methods and guidelines; basic rock mass monitoring design.