摘要
概述了顶板压力传感器的结构及作用,结合工作实际,完成了厚煤层煤巷锚杆锚索的受力监测。结果显示,这种协调支护技术能够很好地适应矿井的地质条件:5 m锚杆具有良好的物理力学性能,初始锚固力和受力稳定后的锚杆受力值都较高强短锚杆大;锚杆受力监测曲线出现跳跃,5 m锚杆很好地适应了顶板压力的变化;短锚杆和锚杆监测过程中均存在稳定状态,且能够长期保持巷道的稳定。
This paper expounds the structure and functions of the roof pressure sensor, and connecting with the work practice, fulfills the anchor pole＇s and anchor rope＇s stress monitoring in thick seam＇s coal roadway. The results show that this coordinated support technology is able to adapt to the geological conditions of the mine, 5 m anchor pole has good physical and mechanical performance, its initial anchorage force and anchor pole＇s stress values after the stress being stable are higher than that of the short high-strength anchor pole, the stress monitoring curve of anchor pole occurs a jump,and 5 m anchor pole well adapts to the roof pressure changes, the stable state exists in the short anchor pole and anchor pole＇s monitoring process, and can keep the roadway stable for a long time.
出处
《山西科技》
2015年第4期50-52,共3页
Shanxi Science and Technology
关键词
厚煤层煤巷
锚杆
锚索
受力监测
thick seam＇s coal roadway
anchor pole
anchor rope stress monitoring
