tilation shaft ; In situ measureРmentР(上接第 34 页)Р Study and discussion on the adaptability of shield machines adoptedР in Guangzhouu metroР Yuan Minzheng Ju Shijian Zhu WeibinР ( Guangzhou Metro Corporation , Guangzhou 510030)РAbstract This paper studies and discusses the adaptability of the shield machines used in Guangzhou Metro Line No. 1Рand Line No. 2 in the respect of disc torque and the layout of disc cutters , etc. , in accordance , the rationality of differРent machines is evaluated. The importance of construction experience under similar geological conditions is emphasized forРshield machine design and selection.РKey words Shield machine ; Cutter disc ; Torque ; Cutter layout ; Technical parametersР · 93 ·Р © 1995-2004 Tsinghua Tongfang Optical Disc Co., Ltd. All rights reserved.
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