新型金属粗尾高强度锚杆

A new Type Bolt with Big-end

针对锚杆尾部的破断问题 ,研制了一种新型金属粗尾高强度锚杆。介绍了这种锚杆的结构形式、加工制造过程及其力学性能实验 ,通过与其它锚杆的力学性能对比分析 。

Pointing at bolt-end breaking,a new type bolt is developed.By laboratories and characters analysis,the result is that it is a bolt with superior mechanics characters.