水利学报2017，Vol.48Issue(11)：1311-1323,13.DOI:10.13243/j.cnki.slxb.20170697
基于模糊RES-云模型的坝基岩体可灌性评价研究
Study on evaluation of rock mass groutability of dam foundation based on Fuzzy RES-cloud model
摘要
Abstract
The analysis and evaluation of rock mass groutability is the key point and difficult problem in dam foundation grouting engineering.Scientific and reasonable groutability evaluation has important theoretical and engineering significance to ensure grouting effect.There is a lack of analysis on the rock mass groutability of dam foundation under multi-influencing factors,and the uncertainty in the evaluation process cannot be considered at the same time.To solve these problems,this paper proposed a fuzzy comprehensive evaluation method to assess rock mass groutability based on Fuzzy RES (Rock Engineering System)-cloud model.First,based on a comprehensive analysis of the controlling factors,an evaluation index system with twelve factors representing the properties of geological condition,grout properties and grouting technology parameters was established.Then,with the help of RES theory,the degree of importance of evaluation factors were determined scientifically and rationally.In addition,fuzzy theory was introduced to overcome the dependence on subjective factor in RES method,obtaining more objective weights of evaluation factors.The cloud model method,with considering the issue of fuzziness and randomness,can realize the uncertain mapping between groutability levels and evaluation index values.The application of Fuzzy RES-cloud model in a large domestic hydropower project shows that the proposed method is of high accuracy and reliability.关键词
大坝基岩灌浆/可灌性/综合评价/模糊RES/云模型Key words
dam foundation grouting/rock mass groutability/comprehensive evaluation/fuzzy RES/cloud model分类
建筑与水利引用本文复制引用
李晓超,钟登华,任炳昱,邓韶辉,祝玉珊..基于模糊RES-云模型的坝基岩体可灌性评价研究[J].水利学报,2017,48(11):1311-1323,13.基金项目
国家自然科学基金项目(51439005,51339003) （51439005,51339003）
国家自然科学基金创新群体基金项目(51621092) （51621092）
