摘要
以煤巷围岩破坏范围最小为目标函数,采用非线性有限元数值计算方法,对支护参数进行了优化研究。结果表明：锚杆长度在2.0~2.6 m之间比较合理,间排距不应大于1.0 m;锚索长度小于9 m较为合理,每排锚索不多于4根。优化方案在工程应用中取得了良好的效果。
This paper used non-linear FEM to optimize the supporting parameters.The coal roadway minimum failure zone within surround rock has been set as objective function.The results show that： The bolt length between 2.0 to 2.6 m is reasonable,and bolt row spacing should be less than 1.0 m.The anchor length less than 9.0 m would be reasonable,and the anchor roots should be no more than 4 per row.Good effect has been obtained in engineering application.
出处
《中国煤炭》
北大核心
2011年第7期48-51,共4页
China Coal
关键词
煤巷支护
支护参数
数值模拟
优化设计
coal roadway supporting
supporting parameter
numerical simulation
optimization design
