摘要
提出巷道支护中锚杆的力学模型,指出不同控制预紧力方式对锚杆力学模型的影响。
Mechanics model of anchor boh for roadway supporting is put forward and influence of different controlling manners of pretightening force on mechanics model are analyzed in this paper.
出处
《煤矿开采》
北大核心
2009年第2期56-57,22,共3页
Coal Mining Technology
关键词
锚杆
力学模型
扭矩
anchor bolt
mechanics model
torque moment
