复合锚杆桩技术在露天矿边坡失稳防治中的研究  

The Experiment Study of the Composite Anchorage Piles Technology in Slope Treatment of Open- pit Mine

作　　者：谢振华[1] 杨栋[2] 范冰冰[2] 贾志云[2] 

机构地区：[1]中国劳动关系学院安全工程系,北京100048 [2]北京科技大学土木与环境工程学院,北京100083

出　　处：《工业安全与环保》2015年第8期15-18,共4页Industrial Safety and Environmental Protection

基　　金：国家"十二五"科技支撑计划重点项目(2012BAK09B05)

摘　　要：通过在实验室中对普通锚杆柱与复合锚杆柱形成的模型分别进行压载试验,采集锚杆应力分布数据,分析其应力传递规律。同时利用FLAC3D软件针对两种不同锚杆柱进行数值模拟,分析其内部应力分布及传递规律。得出在露天矿软岩边坡治理中复合锚杆桩承载力比普通锚杆桩可提升约39%,这对于露天矿边坡失稳治理具有十分重要的意义。In this paper,the stress distribution data and the transmission rule is analyzed by ballast experiment with ordinary anchor and composite anchorage piles. And these two different shapes are simulated by FLAC3 D and the stress distribution and transmission rules are analyzed. The conclusion is that the technology of composite anchorage piles apparently excels the anchorage piles in the treatment of open- pit mine＇s soft slope and it can bear about 39%more tension,which significantly affects the slope treatment.

关 键 词：露天矿 岩质边坡治理 复合锚杆桩 数值模拟 三维快速拉格朗日分析 

分 类 号：TD854.6[矿业工程—金属矿开采]