Three year's operation has proved that this system is an advanced testing system for prestressed anchor ropes.
三年来的运行实践考核证明该系统是较先进的锚索预应力自动测试系统。
At present, ultrasonic non-destructive testing is usually used in health detection of anchor screws, and it mainly used in detecting inner defect of anchor screws under long term service.
目前，工程上一般采用超声无损检测技术对锚固螺杆进行健康检测，主要是检测经过长期服役后在其内部产生的裂纹或缺陷。
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。
Now, the fatigue performance testing of the cable anchor has become an important test content, the equipment of fatigue for prestressing reinforcement has been in a low level.
现在，锚索锚具的疲劳性能检测已经成为一项重要的检测内容，然而，作为预应力锚具产品的检测用的试验机却一直处于较低的水平。
Now, the fatigue performance testing of the cable anchor has become an important test content, the equipment of fatigue for prestressing reinforcement has been in a low level.
现在，锚索锚具的疲劳性能检测已经成为一项重要的检测内容，然而，作为预应力锚具产品的检测用的试验机却一直处于较低的水平。
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