PROPS

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Determination of the load bearing capacity of pre-stressed expandable props for ground support in underground mines被引量:2
《International Journal of Mining Science and Technology》2023年第8期977-990,共14页Kunmeng Li Kaiyuan Jiang Yuanhui Li Xin Wang Kai Liu Shuai Xu 
This work was financially supported by the National Key Research and Development Program of China(No.2022YFC2903804);the National Natural Science Foundation of China(Nos.52004054,52274115,51874068 and 52074062).
This paper aims to determine the load bearing capacity of pre-stressed expandable props with different geometries and load eccentricities for flexible support in underground mining or excavation.It is deduced that the...
关键词:Pillar stability Load bearing capacity Expandable prop Slenderness ratio Eccentric distance 
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