摘要
大冶铁矿申报为首批国家矿山公园,为了保证游客和采矿人员与设备的安全,合理分析和评价高陡边坡的危险性具有很重要的意义.在野外研究的基础上,根据岩体结构、地质构造等特征,将大冶铁矿东露天采场高陡边坡分为8个区,分析出影响东露天采场高陡边坡的稳定性因素主要有岩土类型和性质、岩体结构及地质构造、地形地貌、水、诱发因素等.利用层次分析法建立的递阶层次结构,采用专家打分平均法对每个影响因子给予主观定量赋值,通过公式计算,可以得出每个区的相对危险性程度.分析结果表明Ⅵ区是最不稳定区;Ⅰ区和Ⅲ区是不稳定区,Ⅴ区和Ⅶ区是欠稳定区.
Daye iron mine was one of the firstl National Mine Parks. To ensure the safety of passengers and mining personnel, it is very important to analyse and evaluate the risk of the high steep slope. On the basis of wield study, the high steep slope in Daye eastern open pit iron mine was divided into 8 areas according to the characteristics of rock mass structures and geological structures. The effect factors of the eastern open pit high steep slope included rock type and character, rock mass structure, geologic construct, landform, water and inducements, etc. The step-down arrangement was constituted on the basis of analytical hierarchy process. Right weight was obtained by the average of influence risk degree to slope and the comprehensive of every experts/ fraction given. We calculate the score of each area through formula. Ihe result of analysis reveals that area Ⅰ and Ⅲ are instable areas and area Ⅴ and Ⅶ are unstable areas and area Ⅷ is extremely unstable area.
出处
《武汉工程大学学报》
CAS
2010年第1期12-15,共4页
Journal of Wuhan Institute of Technology
基金
国家自然科学基金项目(50874080)
关键词
层次分析法
大冶铁矿
高陡边坡
危险性分析
analytical hierarchy process
daye iron mine
high steep slop
risk analysis
