The testing methods on extension of anchor bolt are introduced. The whole deformations of normal bolts under pretensioning and its effect on the jacking of surrounding rock are pointed out.
通过对锚杆延伸性能测试方法的介绍，计算出了几种常用锚杆在预紧加固条件下的整体变形量，并结合井下实用情况指出不同性能锚杆对围岩加固的影响。
The testing methods on extension of anchor bolt are introduced. The whole deformations of normal bolts under pretensioning and its effect on the jacking of surrounding rock are pointed out.
通过对锚杆延伸性能测试方法的介绍，计算出了几种常用锚杆在预紧加固条件下的整体变形量，并结合井下实用情况指出不同性能锚杆对围岩加固的影响。
应用推荐