Based on the theory of rock mechanics and the principle of drifting,the author proposed the suspension arch method of drifting in unstable strata.
本文在总结先拱后墙平巷掘进经验的基础上,根据岩石力学理论和平巷掘进原理,提出了平巷掘进的悬拱法。
本网站所收集内容来自网友分享仅供参考,实际请以各学校实际公布信息为主!内容侵权及错误投诉:1553292129@qq.com
CopyRight © 2020-2024 优校网[www.youxiaow.com]版权所有 All Rights Reserved. ICP备案号:浙ICP备2024058711号