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根据上海市长江西路越江隧道浦西工作井施工阶段结构设计特点,介绍了围护结构开挖施工阶段各工况条件下结构体系的实际监测水平向位移变化情况和沉降变化情况,并采用弹性地基梁法和增量法对施工工况的各阶段进行计算并与实测值进行对比与分析,为复杂工况下越江隧道超大超深工作井结构在施工过程中的变形以及对周边环境的影响提供工程类比和参考经验。
According to the structural design features of the Puxi working well during the construction phase of the Yangtze River West Road in Shanghai, this paper introduces the horizontal displacement and settlement changes of the structural system under various working conditions in the excavation construction phase of the retaining structure. The elastic foundation Beam method and incremental method are used to calculate and analyze the different phases of the construction condition and compare with the measured values to provide the deformation of the ultra-large ultra-deep working well in the cross-river tunnel during construction and the impact on the surrounding environment under complicated conditions Engineering analogy and reference experience.