锚杆

Coal mine rockbolt shoring current situation,necessity and significance having discussed rockbolt shoring parameter optimization design combining with leaping forward.

结合跃进煤矿锚支护现状,探讨了锚支护参数优化设计必要性和重要性。

Description is made on the principle and application result of the short group bolting of slushing roadways in loosened rock.

论述了短锚群支护碎裂岩石中耙道原理及实施效果。

The rock bolt for superspeed hardening agent sandwich cement cartridge is a simple and valid rock bolt as a support.

超快硬夹心水泥卷锚一种简单有效支护锚。

Hydraulic Roofbolter is the key equipment for Ground Anchorage Engineering, and has very important affection to the quality of the engineering.

锚钻机岩土锚固关键设备，对质量有重要影响。

Uncompacted location and grouting saturation degree in the zone of anchorage bar are the two main parameters for judging rock bolts quality.

摘要锚固体内不密实位置和灌浆饱和度评价锚质量两个重要参数。

Accoording to the result on observation of rock pressure,adaptability of telescopiform bolt in soft rock road and reasonable structural parameter are analysed.

根据矿观测结果分析了可拉伸锚对软岩巷道支护适应性及其合理结构参数。

A mechanics model of dynamometry bolt was given and it was shown that dynamometry bolt mainly bear tension and torque in real application.

给出巷道支护中测力锚力学模型,指出测力锚实际应用中主要承受拉力、扭矩作用。

After several years to jumbolter research,the hard rocks always present in the soft ones in the wall rock procedure using jumbolter,which results in changing the boring tool during the procedure.

经过几年对锚钻机跟踪研究,发现锚钻机在围岩作业中常遇到软岩中有硬岩夹层现象,造成施过经常更换钻具问题。