【摘要】 介绍了冻结技术的原理和应用条件,详述了水平冻结技术解决的地铁2号线黄浦江下建旁通道的工程难题和采用的设备、工艺参数及解决的水平成孔过程中钻杆弯曲、涌水冒泥问题。更多还原

【Abstract】 The paper introduce the principle of the freezing technology, the condition of its application and facilities and parameter, and details that the application of the freezing technology resolves the difficulty of construction of bypass of No. 2 Subway under Huangpu River and the resolution of drill bar - bending, leaking and mud - giving off during level drilling.更多还原