此外，文章还对管式锚杆的特点及施工要点进行了分析和论述。

Moreover, the characteristics and key points in construction of tubular rock bolt are presented in this paper.

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当前某些新型锚杆有忽视顶锚的不良倾向。作者介绍了新研制的楔管式锚杆的结构、加固原理、锚固性能、及其在现场条件下的拔拉试验与工业应用结果。

The authors described the structure of a newly - developed wedge-tube bolt, its reinforcement principles and anchoring performance, and the results of in situ pull test and productive applications.

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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.

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