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1·It is verified that roof bolt broken problem may be solved with new type's thick tail bolt.

证明了新型粗尾锚杆可以解决顶板锚杆破断问题。

2·The paper makes an analysis of the stresses on split-set roof bolt, and gives results of in-situ tests.

本文对管缝式锚杆进行了受力分析，并介绍了现场试验研究结果。

3·There are many kinds of strata in roof bolt hole. Proper using and choosing are available for increasing comprehensive benefit.

锚杆钻孔所遇岩层种类较多，合理地选择锚杆钻头类型有利于提高综合效益。

4·Inclined combined beam model with roof bolted are presented and solved, the expressions of support parameters of bolt are derived.

建立大倾角煤层回采巷道锚杆支护的倾斜组合梁模型，并进行解算，给出锚杆支护参数的表达式。

5·The paper discussed the other parts in the high strength roof bolt support system, including the resin, combined parts and anchor.

论述了高强度锚杆支护系统中的其它构件，包括树脂锚固剂、组合构件和锚索。

6·When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.

超大断面巷道施工，采用锚杆、锚索、锚索组联合支护，科学合理，实现了安全高效的良好效果。

7·With material mechanics theory, expounded bolt tail subjected to no center load action and roof bolt broken mechanism while roadway was supported with bolts.

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。

8·The utility model discloses a roof bolt disassembling machine, including an air leg part, a pneumatic wrench and a sleeve, the lower end of the pneumatic wrench is provided with a flange;

本实用新型公开了一种顶板锚杆拆卸机，包括有气腿部件、气动扳手和套筒，所 述气动扳手下端设有法兰盘；

9·So that the roof micro-deformed monitoring can be equipped on the roof bolt conveniently and which is more prior in terms of detecting density, cycle and precision in comparison with others'.

顶板微变形仪可以方便的安装在顶板锚杆上，方便操作，具有监测密度大、周期短、精度高等其它仪器不能相比的优点。

10·A mathematical model of a metal detector is established based on the principles of eddy current detection, which provide a theoretical criterion for selection of parameters of roof bolt detector.

依据电涡流式探测原理，建立了金属探测的数学模型，为锚杆探测仪参数的选择提供了理论依据。