顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof abscission layer is the biggest security hidden danger in bolting support tunnel.
介绍了回采巷道复合顶板条件下采用小直径管缝式锚杆加钢筋梯式组合网支护的原理、方法和取得的经济效果。
The paper introduced the principle and methods of supporting combined the slit wedge bolt in small diameter with steel reinforcement in roadway with compound roof, and obtained economic effects.
应用材料力学理论，阐明了锚杆支护时锚尾一定受到偏心载荷作用和顶板锚杆破断的机理。
With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.
通过计算机数值模拟分析研究了锚杆支护回采巷道围岩应力分布、围岩变形、锚杆轴力及顶板离层规律。
By computer simulation, we analysis and study the law of wall rock stress distribution, deformation, the axial force of bolt and the roof-off-strata.
超前支护锚杆锚固后与顶板岩石构成一体，这样使超前锚杆形成组合梁作用，放炮后，能够阻止顶板岩石冒落。
Forward support bolt combined with roop rock by bolting can play a roll of combined beam, which can prevent roof rock caving immediately after explosion.
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof separation layer is the biggest security hidden danger in bolt support tunnel.
介绍在复合顶板下，锚杆和锚索支护的设计和试验，并阐明了该技术的机理以及实践中的具体应用。
The design and test of bolting and rope support under composite roof are introduced, its technical theory and practical application are also expounded.
锚杆机是一个用来打锚杆眼安装锚杆来支护顶板的机器，它是用胶轮行走的。
The roof bolter is a rubber-tired vehicle used to drill and insert bolts into the roof to support it.
顶板支护用补强钢带，涉及有锚杆眼孔、钢带体和凸台组成。
A reinforcing iron strip for roof plate supporting relates to an assembly which comprises an anchor shaft eyelet, an iron strip body and projection clubs.
锚杆支护巷道顶板冒落具有突发性和冒落面积大的特点，安全监测非常必要。
Roof falling of rock bolting supported tunnel is usually paroxysmal in a big area, so safety monitoring is of great importance.
然后再采用预应力锚索对顶板进行加强支护，且对巷道底角采用内注浆锚杆进行锚注加固。
In the second step, the prestressed cable is used as reinforced support to the roof plate, and the reinforcement by bolting and grouting with inside grouting bolt is applied to base Angle.
给出了锚杆(索)支护软厚煤顶板的优化支护参数，工程应用证实了其有效性。
The paper provided the optimum roof support parameters of bolt support in soft thick seam. The applied projects have shown the efficiency of the support.
顶板离层是锚杆支护巷道最大的安全隐患之一。
The roof abscission layer is the biggest security risk in bolting support tunnel.
工程应用表明，锚杆支护巷道沿空留巷，有效切落了采空区侧顶板，减小了巷旁支护体载荷；
The project application cases showed that the gob-side entry retaining with bolt support could effectively cut the side roof of the gob-sides and reduce the loading of the support devices.
通过改变巷道断面形状、加帮部锚杆和顶板锚杆，可以改变自稳隐形拱和极限自稳隐形拱的曲线位置，为支护设计提供了依据。
The curve position of self-stabilized hidden arch can be changed by changing the section configuration, adding side and roof bolts. The results are helpful and can provide a basis fo…
通过改变巷道断面形状、加帮部锚杆和顶板锚杆，可以改变自稳隐形拱和极限自稳隐形拱的曲线位置，为支护设计提供了依据。
The curve position of self-stabilized hidden arch can be changed by changing the section configuration, adding side and roof bolts. The results are helpful and can provide a basis fo…
应用推荐