深厚冲积层钢筋混凝土井壁结构参数灰色关联分析及模糊综合选优  

Grey Correlation Analysis on Structural Parameters and Fuzzy Comprehensive Selection of Reinforced Concrete Shaft Lining in Deep Alluvium

作　　者：姚亚锋[1,2] 程桦[1,3] 姚直书[1] 荣传新[1] 黎明镜[1] 宋健[2] 

机构地区：[1]安徽理工大学土木建筑学院,安徽淮南232001 [2]南通职业大学建筑工程学院,江苏南通226001 [3]安徽大学资源与环境工程学院,安徽合肥230022

出　　处：《煤矿安全》2015年第12期184-187,191,共5页Safety in Coal Mines

基　　金：国家自然科学基金资助项目(51374010;51474004);安徽高校省级自然科学研究重点资助项目(KJ2010A094;KJ2011A093)

摘　　要：针对淮南某矿区深厚冲积层钢筋混凝土井壁模型进行极限承载力试验,发现影响井壁极限承载力的主要因素为混凝土抗压强度、厚径比和配筋率。结合模糊数学理论改进传统的灰色关联分析法,修正关联系数及关联度,给出指标模糊权重的算法公式。在此基础上,以混凝土抗压强度、厚径比、配筋率和极限承载力4项参数为评价指标,采用改进后的灰色关联分析法对井壁模型进行模糊加权综合评判,按最终评价值得出模型优劣排序。The load bearing capacity test is conducted on reinforced concrete shaft lining in deep alluvium of Huainan Mine. The result shows that the main factors affecting load bearing capacity are concrete compression strength,ratio of lining thickness to inner radius and reinforcement ratio. The traditional grey correlation analysis method is improved by fuzzy mathematics theory,which amends the formulas of correlation coefficient,correlation degree and fuzzy weights. On this basis,four evaluation factors are defined as concrete compressive strength,thickness to diameter ratio,reinforcement ratio and load bearing capacity. The shaft lining models are carried on fuzzy comprehensive evaluation by the improved grey relation analysis. The result shows the rank according to the values of final evaluation.

关 键 词：井壁结构参数 灰色关联分析 模糊权重 综合评判 极限承载力 

分 类 号：TD352.3[矿业工程—矿井建设]