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GROUND FREEZING FOR DEEP SHAFTS AT THE MILL CREEK TUNNEL PROJECT

机译:MILL CREEK隧道项目的深井地面冻结

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Ground freezing was chosen as an initial support method during construction of two deep shafts at the Mill Creek project. The Mill Creek, Phase 2 tunnel (MCT-2) is utilized to convey and store combined storm and sanitary sewage collected from the member communities in the greater Cleveland area. The main objective of ground freezing was to provide a strong support structure to resist soil and groundwater pressures. This was achieved by creating a watertight, frozen-ground barrier around the shaft perimeter. The paper will provide an overview of ground freezing techniques applied during the construction of two shafts, each 250-feet deep.
机译:在米尔克里克(Mill Creek)项目中,在建造两个深井时,选择地面冻结作为初始支撑方法。米尔克里克2期隧道(MCT-2)用于输送和存储从大克利夫兰地区成员社区收集的暴风雨和生活污水。地面冻结的主要目的是提供坚固的支撑结构,以抵抗土壤和地下水压力。这是通过在井筒周围形成水密,冻结地面的屏障来实现的。本文将概述两根竖井(每根深250英尺)的建造过程中应用的地面冻结技术。

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