The bolt truss were used to reinforce a layer concrete beam in order to simulate a mine roadway support in a mine layer roof.
对锚拉支架支护层状顶板进行了模拟试验和参数优化研究；
The pre-stress is an important parameter of the bolt support and would have an important influence to the mine roadway support effect.
预应力是锚杆支护中重要的参数，预应力对巷道支护效果有重要影响。
The bolt types are various in coal mine roadway support. Different kinds of bolts have different anchorage performances and different applicable conditions.
煤矿巷道锚杆的种类繁多，我国煤矿巷道锚杆以树脂粘结式锚杆居多。
The paper analyzed the bolt pre-stress affected to the mine roadway support effect and the relevant relationship between the bolt pre-tightening torque and the pre-tension.
分析了锚杆预应力对巷道支护效果的影响，锚杆预紧扭矩与预紧力对应关系。
The combined support with cable bolt wire mesh and shotcreting is applied in coal roadway in Xingan coal Mine of Hegang Mining Industry Group.
鹤岗矿业集团兴安煤矿在煤巷中应用锚索锚杆挂网喷喧支护，取得了较好的技术经济效果。
After the roadway was excavated, the destruction of supporting roadway is very severe. The deformation of roadway is no convergence deformation; and the iron mine is difficult support mine.
进路开挖以后支护巷道破坏严重，其围岩变形为无收敛变形，也是国内支护较难的矿山之一。
It means to the underground mine that the stability to the excavation and support of the roadway is the precondition for the safe production in mine.
对地下矿山开采而言，保证巷道开挖与支护稳定是矿山安全生产的前提。
The result shows that the ground penetrating radar can be used to detect the fractured rock zone in mine roadway and the result can be used to design anchor support in the roadway .
结果表明，采用地质雷达探测巷道围岩松动圈是可行的，可以用于指导巷道围岩的锚杆支护设计。
It is of directive signification for choose roadway support forms of deep mining and support parameters for Xinwen coal mine area.
对新汶矿区深部煤巷支护形式的和支护参数的选择具有一定的指导意义。
Liangjia Coal Mine in Longkou mining area is a typical "three-soft" mining area, meeting many difficulties in roadway support.
龙口矿区梁家煤矿是典型的“三软”矿区，在巷道支护上遇到了非常大的困难。
The reliability analysis of roadway combination support in soft rock can be used in the design and check of roadway support. This method may be applied far and wide in mine and tunnel project.
软岩巷道联合支护可靠性分析，为软岩巷道支护设计、校核提供了理论依据和计算手段，该方法在矿山、隧道工程中也有广泛的应用价值。
Bolt support has been the main support form of the mine roadway in the under - ground engineering because of its obvious technical and economical superiority.
由于锚杆支护显著的技术经济优越性，已成为矿井巷道等地下工程支护的主要形式。
The example of the new-southern roadway support of Tao-er coal mine proved the reasonability of continuous double - shell's support.
以陶二煤矿新南总巷道支护为例，验证了连续双壳支护的合理性。
The high stressed bolt support technology would have a good suitability to the mine roadway in the structural stress zone.
高预应力锚杆支护对构造应力区巷道有较好的适应性。
The high stressed bolt support technology would have a good suitability to the mine roadway in the structural stress zone.
高预应力锚杆支护对构造应力区巷道有较好的适应性。
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