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检索条件"主题词=Hydraulic expansion bolt Anchoring force Soft rock roadway Floor heave Shed support"
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anchoring mechanism and application of hydraulic expansion bolts used in soft rock roadway floor heave control
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International Journal of Mining Science and Technology 2013年 第3期23卷 323-328页
作者: Chang Qingliang Zhou Huaqiang Xie Zhihong Shen Shiping School of Mines China University of Mining & Technology Key Laboratory of Deep Coal Resource Mining Ministry of Education of China Xuchang Mine Shandong Energy Zibo Mining Group Co. Ltd.
Comparing with the resin bolt, the hydraulic expansion bolt has different anchoring mechanism and application advantage. According to the working mechanism of the hydraulic expansion bolt, its anchoring force is expre... 详细信息
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