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    • 34. 发明授权
    • Nonporous liquid impermeable cryogenic barrier
    • 无孔液体不渗透低温屏障
    • US5507149A
    • 1996-04-16
    • US358080
    • 1994-12-15
    • J. Gregory DashRoger J. LegerRonald K. Krieg
    • J. Gregory DashRoger J. LegerRonald K. Krieg
    • B09C1/00E02D19/14E02D31/00E21B43/30F25B19/00
    • E02D19/14B09C1/00E02D31/00E21B43/305
    • A method of making a nonporous, substantially liquid-impermeable cryogenic barrier within the Earth, and a nonporuous, substantially liquid-impermeable cryogenic barrier. A triple array of casings extends along respective sets of central axes from arrays of spaced apart locations on the surface of the Earth. A refrigerant is flowed through the two outer arrays of casings to form overlapping, continuous cold columnar regions extending along and about the respective central axes of the casings. The intermediate region between the two outer arrays of casings contains the central array of casings. A heat transtar agent is flowed through a selected subset of casings within the central array of casings to establish a relatively warm region between the continuous cold regions. Water is introduced into the relatively warm region through a second selected subset of casings within the central array of casings at a rate which permits freezing of the water upon entry into, and contact with, the adjacent continuous cold regions. When the relatively warm region is saturated with water, a flow of refrigerant is established in the first selected subset of casings in the central array to freeze the saturated region and form a nonporous, substantially liquid-impermeable barrier.
    • 一种在地球内制造无孔的,基本上液体不可渗透的低温屏障的方法,以及非均匀的基本上液体不可渗透的低温屏障。 壳体的三重阵列沿着地球表面上间隔开的位置的阵列的各组中心轴线延伸。 制冷剂流过壳体的两个外部阵列,以形成沿壳体的相应中心轴线延伸并且围绕壳体的各个中心轴线延伸的重叠的连续的冷柱状区域。 壳体的两个外部阵列之间的中间区域包含壳体的中心阵列。 热转移剂通过壳体的中心阵列中的选定的壳体子集流动,以在连续的冷区域之间建立相对温暖的区域。 水通过壳体的中心阵列中的壳体的第二选定的子集引入相对温暖的区域,其速率允许在进入和接触相邻的连续冷区域时使水冷冻。 当相对温暖的区域被水饱和时,在中心阵列中的壳体的第一选定子集中建立制冷剂流,以冷冻饱和区域并形成无孔的,基本上不透液的屏障。
    • 37. 发明授权
    • Tunnel constructing
    • 隧道建设
    • US4516878A
    • 1985-05-14
    • US425200
    • 1982-09-28
    • Dieter Rebhan
    • Dieter Rebhan
    • E02D19/14E21D1/06E21D9/00
    • E02D19/14
    • Tunnels are constructed by freezing soil and removing frozen soil between starting and end shafts of the tunnels. Tunnels are driven in an uncomplicated manner in rapidly changing soils without auxiliary construction means. A hole is bored in or near the planned axis of the intended tunnel between starting and end shafts. A soil freezing work pipe is inserted into the hole. The pipe is cooled by a cooling agent. The soil freezing work pipe continues to be cooled until an ice and frozen soil mass has formed around the work pipe, which frozen mass has a diameter which is larger than that of the planned tunnel. Frozen soil is subsequently excavated, leaving a frozen soil lining, which is immediately supported by a primary support lining or a permanent lining.
    • 隧道是通过冻结土壤和清除隧道的起始和终点之间的冻结土壤构成的。 隧道以不复杂的方式在快速变化的土壤中被驱动,没有辅助施工手段。 在开始和结束轴之间的预期隧道的预定轴线中或附近钻孔。 将一个土壤冷冻工作管插入孔中。 管道由冷却剂冷却。 土壤冷冻工作管继续冷却,直到工作管周围形成冰和冻土,冻结质量的直径大于计划隧道的直径。 随后挖出冷冻土壤,留下一个冻结的土壤衬里,立即由主要支撑衬里或永久衬里支撑。