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1.Through analysis on anchoring and shotcreting theory, anchoring and shotcreting construction process at the rock heading cannon advancement face has been improved resulting in roadway support strength and interior quality improved.
通过分析锚喷作用机理,改进岩巷炮掘工作面的锚喷施工工艺,从而提高巷道支护强度和内在质量。收藏指正
2.Middle-Deep Bore Blasting Experimental Study on Hard Rock Tunnel Heading
硬岩巷道掘进的中深孔爆破试验研究收藏指正
3.2 . It has realized the goal of rapid excavation and set the best record in one ?heading driving in China during the construction of parallel adit in hard rock with large cross section due to its advancement and resonableness
由于其机械化设备配套的先进性和合理性,使得工程进展顺利,实现了快速掘进的目的,创造了我国大断面平导硬岩独头掘进的全国记录。收藏指正
4.Three-dimensional mechanical performance of primary support under different construction conditions is analyzed by using numerical modeling method. Through four different excavation methods, which are named as curve drift heading, CD, CRD and two-side wall drift heading method, respectively, safety performance of primary support and its effect of confining the wall rock deformation is researched, and the quality of these methods are assessed to recommend proper excavation method for corresponding conditions.
应用数值计算方法,对不同工法的隧道施工阶段初期支护三维力学性能进行了分析,研究了弧形导坑台阶法、中隔壁法(即CD法)、中壁交叉法(即CRD法)及双侧壁导坑法等工法条件下初期支护的安全性能及围岩变形约束效果,评价了不同工法的优劣性,并给出了相应条件下的推荐工法。收藏指正
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