以胜北国际商城人防楼梯式出入口工程为例,介绍了逆作法施工技术,着重阐述了施工阶段人防墙兼作围护结构支撑体系建立、稳定性计算方法,并对施工过程中综合应用的多项施工技术措施作了简要地说明,为今后同类工程提供了指导。%Taking the civil air stair passageway project of Shengbei International Mall as the example,the paper introduces the top-down construction technique,illustrates the establishment of the civil air wall,which is also regarded as the support system of the enclosure structure,and the stability calculation method in the construction stage,and illustrates many measures for the construction technique in the construction process,so as to provide the direction for similar project in future.
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