【摘要】 随着城市建设的发展,更多的高层建筑出现在建筑密集的市区。由于建设的场区狭小,地下管网密集,给设计和施工留有的空间很小,同时在基坑开挖过程中,还必须充分考虑到周围建筑物的保护问题。逆作法技术成功地解决了这一问题。在阐明逆作法工艺原理的基础上,进一步探讨了逆作法的主要技术特点、技术措施及其存在的问题。更多还原

【Abstract】 As the development of city construction, more and more high-rise buildings emerge in dense down town. Due to the narrow space of engineering and dense underground pipe nets, the spaces which can be used to construct become even smaller. Meanwhile the safety of around buildings should be taken into account while excavating the foundation pit. The contracy construction method of deep foundation pit successfully resolved the problems mentioned above. The main technical peculiarities, main technical measures and their existing problems of the contrary construction method were further discussed after the working principles of the method were clarified.更多还原