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    • 32. 发明授权
    • Pumpable support with cladding
    • 可包装的支架
    • US08851804B2
    • 2014-10-07
    • US13091849
    • 2011-04-21
    • David A. HusseyStephen G. SawyerGeorge A. Watson
    • David A. HusseyStephen G. SawyerGeorge A. Watson
    • E21D15/00E21D15/48
    • E21D15/483
    • A support for use in mines and other underground workings is provided comprising a flexible inflatable bag configured for receiving a pumpable load-bearing material. A reinforcing material is provided for supporting the bag when the bag is filled with the load-bearing material. The reinforcing material can include reinforcing plates, rings, bands or barrels positioned about the outer periphery of the bag. Alternatively, the support can be formed from a plurality of stackable barrels that are filled with load-bearing material but without the inflatable bag. The barrels can include internal reinforcing or cladding material at spaced locations along the barrels to define controlled deflection zones. According to another design, the support can be designed to be extensible. The support is inexpensive to transport, can be erected on-site and has a reinforced structure with residual yield strength. A method for supporting a mine or other underground workings is disclosed.
    • 提供了用于矿井和其他地下工作的支撑件,其包括构造成用于接收可泵送的承载材料的柔性充气袋。 提供一种加强材料,用于当袋被承载材料填充时用于支撑袋。 增强材料可以包括围绕袋的外周定位的加强板,环,带或桶。 或者,支撑件可以由填充有承载材料但不具有可充气袋的多个可堆叠的桶形成。 桶可以在沿着桶的间隔位置处包括内部加强或覆层材料,以限定受控偏转区域。 根据另一种设计,支撑可以被设计成可扩展的。 支撑件运输成本低廉,可现场直立,并具有残余屈服强度的加固结构。 公开了一种用于支撑矿井或其他地下工作的方法。
    • 34. 发明授权
    • Yieldable mine post having a double ball and socket configuration
    • 具有双重球窝配置的可收获的矿位
    • US5538364A
    • 1996-07-23
    • US389123
    • 1995-02-14
    • Steven D. Huntsman
    • Steven D. Huntsman
    • E21D15/54E21D15/00
    • E21D15/54
    • A primary mining post, prop, or support that is yieldable to the settling forces of a mine shaft and has a double ball and socket configuration to respond to the shifting that occurs with roof settling in mine shafts. The post has a ball on each end of the main support body and corresponding sockets in each of the respective top and bottom bases. The main body has means for yielding to the heavy weights put thereon.The double ball and socket configuration allows the heavy weights of a settling subterranean roof to be fully transmitted axially along the length of the main body of the post during off vertical loading without undue buckling and failure. The loading characteristics remain virtually identical with straight vertical and off vertical loading. Traditional supports will buckle and fail under a shifting load since the load forces are distributed differently under a non vertical load.
    • 主矿山支柱,支柱或支柱,能够对矿井的沉降力产生影响,并具有双重球窝结构,以应对矿井内屋顶沉降所产生的变化。 该柱在主支撑体的每个端部上具有球,并且在相应的顶部和底部基部中的每一个中具有相应的插座。 主体具有屈服于其上重物的装置。 双球和套筒结构允许沉积的地下屋顶的重量在垂直加载期间沿柱的主体的长度被轴向完全传递,而不会有不适当的弯曲和失效。 负载特性与直立和垂直垂直负载几乎相同。 由于负载力在非垂直载荷下分布不同,所以传统的支撑件将在变速载荷下弯曲和失效。