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    • 3. 发明授权
    • Foam slabs in mine tunnel stoppings
    • 矿井中的泡沫板块
    • US4516879A
    • 1985-05-14
    • US498362
    • 1983-05-26
    • James A. BerryMorton ShermanJohn W. Stevenson
    • James A. BerryMorton ShermanJohn W. Stevenson
    • E21F17/103F24F7/00
    • E21F17/103
    • A stopping for use in improving underground mine ventilation comprising an assembly of wall elements, said wall elements comprising:(a) a plurality of rigid blocks, and(b) a plurality of compliant sealing members. The rigid blocks and compliant sealing members are combined in courses to form a wall which extends over substantially the entire cross section of a tunnel being stopped, the sealing members being interposed between and/or around the rigid blocks in a uniform or nonuniform arrangement throughout the extent of the wall so as to (i) accommodate convergence loads imposed on the wall, and (ii) form, together with the rigid blocks, a barrier against the flow of gas through the tunnel.
    • 一种停止用于改进地下矿井通风的装置,包括一组墙壁元件,所述壁元件包括:(a)多个刚性块,和(b)多个柔性密封构件。 刚性块和顺应密封构件被组合成一个梯形以形成一个壁,该壁在正在停止的隧道的基本上整个横截面上延伸,密封构件以均匀或不均匀的方式插在刚性块之间和/ 壁面的程度,以便(i)适应施加在墙壁上的会聚负载,以及(ii)与刚性块一起形成抵抗通过隧道的气体流动的屏障。