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    • 112. 发明公开
    • Underground Soil Excavation
    • 地下土壤开挖
    • EP2610587A1
    • 2013-07-03
    • EP12198998.2
    • 2012-12-21
    • Entreprenørfirmaet Østergaard A/S
    • Hansen, Morten
    • G01C1/00E21B47/022E21D1/14E21B7/04E21B47/10E02D3/115E21D9/00
    • E21B47/02232B28D1/14B28D1/146E02D3/115E21B7/046E21D9/001
    • In a method of excavating an underground space in the soil below an overlaying structure, the method comprises providing a compensation liquid, providing a plurality of compensation tubes for conveying said compensation liquid, each of said compensation tubes comprising a number of outlets for allowing said compensation liquid to pass from said compensation tube into the surrounding medium. The method further comprises positioning said plurality of compensation tubes in said soil below said structure, excavating said underground space in said soil below said plurality of compensation tubes and monitoring the overlaying structure for detecting changes in the structure due to said excavating of said underground space. Provided a change in the structure is detected, then said compensation liquid is injected into said soil through one or more of said plurality of compensation tubes into said soil.
    • 在一种在重叠结构下挖掘土壤中的地下空间的方法中,该方法包括提供补偿液体,提供用于传送所述补偿液体的多个补偿管,每个所述补偿管包括多个出口,用于允许所述补偿 液体从所述补偿管流入周围介质。 该方法还包括将所述多个补偿管定位在所述结构下方的所述土壤中,挖掘所述多个补偿管下方的所述土壤中的所述地下空间,并且监测覆盖结构以检测由于所述地下空间的所述挖掘而导致的结构变化。 如果检测到结构发生变化,则通过所述多个补偿管中的一个或多个将所述补偿液体注入到所述土壤中进入所述土壤。
    • 113. 发明公开
    • Underground soil excavation
    • 地下土壤开挖
    • EP2610586A1
    • 2013-07-03
    • EP11195778.3
    • 2011-12-27
    • Entreprenørfirmaet Østergaard A/S
    • Hansen, Morten
    • G01C1/00E21B47/022E21D1/14E21B7/04E21B47/10E02D3/115E21D9/00
    • E21B47/02232B28D1/14B28D1/146E02D3/115E21B7/046E21D9/001
    • In a method of excavating an underground space in the soil below an overlaying structure, the method comprises providing a compensation liquid, providing a plurality of compensation tubes for conveying said compensation liquid, each of said compensation tubes comprising a number of outlets for allowing said compensation liquid to pass from said compensation tube into the surrounding medium. The method further comprises positioning said plurality of compensation tubes in said soil below said structure, excavating said underground space in said soil below said plurality of compensation tubes and monitoring the overlaying structure for detecting changes in the structure due to said excavating of said underground space. Provided a change in the structure is detected, then said compensation liquid is injected into said soil through one or more of said plurality of compensation tubes into said soil.
    • 在一种在重叠结构下挖掘土壤中的地下空间的方法中,该方法包括提供补偿液体,提供用于传送所述补偿液体的多个补偿管,每个所述补偿管包括多个出口,用于允许所述补偿 液体从所述补偿管流入周围介质。 该方法还包括将所述多个补偿管定位在所述结构下方的所述土壤中,挖掘所述多个补偿管下方的所述土壤中的所述地下空间,并且监测覆盖结构以检测由于所述地下空间的所述挖掘而导致的结构变化。 如果检测到结构发生变化,则通过所述多个补偿管中的一个或多个将所述补偿液体注入到所述土壤中进入所述土壤。
    • 117. 发明授权
    • Ground freezing method
    • 地面冷冻法
    • US3943722A
    • 1976-03-16
    • US303754
    • 1972-11-06
    • John William Ross
    • John William Ross
    • E02D3/115E02D19/14E21D1/14E21D9/00E02D3/12B25G1/08
    • E02D19/14E02D3/115E21D1/14E21D9/001
    • An apparatus and method of freezing a large volume of ground for tunnel construction and the like utilizing liquified nitrogen is described. The apparatus consists generally of a series of freeze pipes embedded in the ground, each of the freeze pipes consisting of a conductor tube and an inner header tube. The header tube of each of the succeeding freeze pipes in the series have discharge holes of a predetermined cross-section so that greater control of gaseous and liquified nitrogen pressure can be maintained throughout the system. By means of this method and apparatus more accurate control of ground freezing can be made by merely controlling the inlet liquified nitrogen pressure and the exhaust gaseous nitrogen temperature.
    • 描述了利用液化氮冷冻用于隧道施工等的大体积地面的装置和方法。 该装置通常由嵌入地面的一系列冷冻管组成,每个冷冻管由导体管和内部总管组成。 串联中的每个后续冷冻管的集管具有预定横截面的排放孔,使得可以在整个系统中保持更高的气态和液化氮气压力的控制。 通过这种方法和装置,可以通过仅控制入口液化氮气压力和排气气态氮气温度来更精确地控制地面冷冻。