The existence of rockbolt increased the confining pressure for the sidewall of underground opens.
对于地下洞室边墙来说，锚杆的存在相当于增加了一部分围压。
The normal supporting principle of rockbolt is improving the balance of stresses of surrounding rock mass.
锚杆支护的一般作用原理是提高围岩各向力的平衡程度。
The supporting principle of rockbolt under special construction situation is reinforcing the surrounding rock mass.
锚杆支护在特殊条件下的作用原理是对围岩吊挂固定。
Carry out a certificate, adopt the advance rockbolt shoring to be able to accelerate driving speed, ensure safety...
实践证明，采用超前锚杆支护能够加快掘进速度、保障安全生产和节约掘进成本。
The rockbolt supported technique is an overall skill. It plays a more and more important role in engineering of geotechnical.
锚杆支护技术是一项综合技术，其在岩土工程中发挥着越来越重要的作用。
By physical model test, the response of end-anchored rockbolt close to working face is studied under blasting loading in mass charge.
通过物理模型试验，研究集中装药爆炸荷载作用下临近工作面端锚锚杆的动态响应。
Characteristics of wave propagation in grouted rockbolt were investigated with numerical simulation, experimental measurement and theoretical analysis.
用理论分析、数值模拟和实验测试的方法研究了自由锚杆和锚固锚杆中的波传播特性。
Shotcrete rockbolt mesh support can improve the structure strength and anti-deform rigid of rock soil, and can reinforce the whole stability of side slope.
喷锚网支护可提高高边坡岩土的结构强度和抗变形刚度，增强边坡的整体稳定性。
The field experiment of rockbolt nondestructive detection was selected in Chacheng Mine, the results perform the dynamical characteristics of prestressed bolt supporting system.
在垞城矿进行了预应力锚杆的现场无损检测试验。试验结果表明：数值模拟结果真实地反映了预应力锚杆支护系统的动力特征。
The working principle of rockbolt dynamometer, the design calculate of elastic units of dynamometer, the technological characteristics of dynamometer etc are discussed in the article.
文中对锚杆测力计的工作原理、测力计弹性元件的设计计算、测力计的技术特征等作了论述。
The working principle of rockbolt dynamometer, the design calculate of elastic units of dynamometer, the technological characteristics of dynamometer etc are discussed in the article.
文中对锚杆测力计的工作原理、测力计弹性元件的设计计算、测力计的技术特征等作了论述。
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