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    • 24. 发明申请
    • YIELDABLE MINE ROOF SUPPORT
    • 可焊式矿山屋顶支持
    • WO2013188321A1
    • 2013-12-19
    • PCT/US2013/045052
    • 2013-06-11
    • FCI HOLDINGS DELAWARE, INC.
    • FAULKNER, DakotaSTANKUS, JohnVERBANO, JoshuaTHOMPSON, Bevan
    • E21D15/00
    • E21D15/005E21D15/483
    • A mine roof support includes a rigid body having a first end and a second end and defining an interior space, a cementitious material positioned within the interior space of the body and a plurality of support members extending circumferentially around the body and engaging an outer surface of the body. A method includes providing a mine roof support comprising a rigid body having a first end and a second end, a cementitious material positioned within an interior space defined by the body, and a support member extending circumferentially around the body and engaging an outer surface of the body. The method also includes selecting a load capacity and elongation value of the support member to provide controlled yieldable confinement of the mine roof support during loading of the mine roof support.
    • 矿顶支架包括具有第一端和第二端并限定内部空间的刚性体,位于主体的内部空间内的水泥质材料以及围绕主体周向延伸的多个支撑构件, 身体。 一种方法包括提供矿山屋顶支撑件,其包括刚体,其具有第一端和第二端,定位在由主体限定的内部空间内的水泥质材料以及围绕主体周向延伸并且与所述主体的外表面接合的支撑构件 身体。 该方法还包括选择支撑构件的负载能力和伸长值,以在矿山屋顶支撑件的装载期间提供矿顶支撑件受控的可收缩的限制。