【摘要】 结合位于上海浦东陆家嘴金融贸易区目前在建的中国最高楼"上海中心大厦(632 m)"裙房地下室深基坑逆作开挖的设计及实践,探讨在上海饱和软土地区深大基坑逆作开挖的适用条件、应用特点、设计难点和技术对策、以及深基坑安全稳定和变形控制的设计技术措施。为软土地区同类深大基坑逆作法工程提供借鉴和参考。更多还原

【Abstract】 An in-depth exploration of the top-down method for large-scale basement excavation and construction in saturated soft clay area in Shanghai is introduced with respect to its application,design difficulties as well as techniques to mitigate deformation and to ensure safety and stability of the excavation.Researches are carried out with the reference to the top-down method applied to the basement construction under podium of Shanghai Tower,the tallest building in China when it is completed,which will stand at a height of 632 m in Lujiazui CBD area.It is intended to serve as a future reference for similar projects.更多还原