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。
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。
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。
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