In this paper the relationship of tunnel axis floating with properties of lining grouting slurry for shield-driven tunneling of Shanghai metro was studied.
本文着重探讨上海地铁采用盾构法施工，隧道轴线上浮与衬砌灌注浆液性质的关系。
The reasons causing the fracture in view of the load on the manipulator and the structure of the floating axis are analyzed and precautions for preventing fractures are stated out.
从揭盖机所承受的载荷及其运行机构浮动轴的结构两方面分析了浮动轴断裂的原因，并找出预防其断裂的措施。
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