我国大变形锚杆研究现状及发展趋势
王贺,陈何,曹辉

Research Status and Trends of Large Deformation Rock Bolts in China
He WANG,He CHEN,Hui CAO
图5 一种结构精简化的大变形吸能锚杆
Fig.5 Large deformation energy-absorbing bolt with simplified structure