This paper provides the expeditious construction method in rock heading under the complicated geographic conditions at Anhui Wobei Coal Mine Project in respect of steel support (advance split-tubes and beam support),construction equipment (rock drill on airfeed leg,slusher,etc),construction process and organization plan.
本文主要介绍了目前安徽涡北煤矿在复杂地质条件下,岩石平巷快速施工中采用金属支架 (管缝式超前锚杆、前探梁超前支护)为主要支护方式,以气腿式凿岩机和耙矸装岩机为主的作业线的施工配备、施工工艺及劳动组织形式等,上述几个方面阐述了实现快速掘进施工的途径。
Safety effective of metal forepole support was analyzed in beam and bolting with wire mesh,problem and improvement was given safety effective was ensured.
针对金属前探支护在架棚及锚网支护巷道中的安全作用进行了全面分析,提出了改进方案和存在问题,确保了金属前探支护的安全作用。
By adopting some technology of advanced detection,adding temporary invert,sleeve valve pipe and lock foot bolts,the construction of the tunnel is completed safely and successfully.
暗挖区间隧道通过采用超前探测、增设临时仰拱、袖阀管、锁脚锚管等技术措施,安全、顺利完成了北四环路和北辰桥段的施工。
Sector detection technology was used to enhance the explanation accuracy of mine transient electromagnetic method in advanced detection instead of conventional survey.
用扇形探测技术代替了常规的测量方法以提高矿井瞬变电磁法超前探测资料的解释精度。
Taking the Dongqu Coalmine as the example, this paper introduces the causes and features of the formation of the collapsing column, analyzes on the influence of the collapsing column on the coal production, and puts forward some effective methods for the advanced detection of the collapsing column.
以东曲矿为例,介绍了陷落柱形成的原因和特征,分析了陷落柱对煤矿生产的影响,并提出对陷落柱提前探测的有效办法。
The portable mine detector,which is used to make advance detection of the front small structure of the mining faces by utilizing the diffracted wave,has become an effective auxiliary tool for the forecasting in the tunnelling.
便携式矿井探测仪是应用绕射波来超前探测巷道掌子面前方小构造的,在速度低于上下围岩的中等速度的特定层位中,地震波将在前方的小断层或小构造处反射,以绕射波形式返回到检波器,其最远的探测距离达184m,成为在掘进巷道中预测预报的有效辅助工具。