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  5. Mechanism and technology study of collaborative support with long and short bolts in large-deformati

Mechanism and technology study of collaborative support with long and short bolts in large-deformati

来源 :矿业科学技术学报：英文版 | 被引量 : 0次 | 上传用户：naeauty
【摘 要】
：
Common short bolts of equal length are widely used to support the roofs of roadways in coal mines.However, they are insufficient to keep the roof stable against
【作 者】
：
Yu Hui Niu Zhiyong Kong Lingge 
【机 构】
：
SchoolofResourcesandSafetyEngineering
【出 处】
：
矿业科学技术学报：英文版
【发表日期】
：
2015年4期
【关键词】
：
大变形巷道 支护机理 短锚杆 协同 最大主应力 巷道顶板 技术 顶板稳定 Collaborative support with long and shortbo 
【基金项目】
：
This work was supported by the State Key Program of National Natural Science Foundation of China （No. 51234005） and the StateKey Program of National Natural Science Foundation-Coal Joint Fund （No. 511
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Common short bolts of equal length are widely used to support the roofs of roadways in coal mines.However, they are insufficient to keep the roof stable against large deformations, so docking long bolts with high levels of elongation that can adapt to lar
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