摘要
为研究采场老顶岩梁的超前破断过程,工程师要在损伤力学的基础上,建立损伤基础岩梁的力学模型。通过分析损伤力学将初始来压前后的采场老顶岩梁,运用工程制图的方式简化为悬臂岩梁和固支岩梁,对采场老顶岩梁的超前破断进行实验模拟。
In order to study the advanced fracture process of the main roof rock beam in stope,engineers should establish a mechanical model of the damaged foundation rock beam on the basis of damage mechanics.Based on the analysis of damage mechanics,the stope top rock beam before and after initial weighting is simplified into cantilever rock beam and fixed support rock beam by the mode of engineering drawing,and the advanced fracture of stope top rock beam is simulated experimentally.
作者
林瑶
Lin Yao(Shanxi Taiyuan Coal Gasification Group Longquan Energy Development Co.,Ltd.,Shanxi,030000)
出处
《当代化工研究》
2020年第5期85-86,共2页
Modern Chemical Research
关键词
老顶岩梁
矿山压力分布
损伤基础
old roof rock beam
mine pressure distribution
damage foundation
