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软土地区深大基坑中支撑体系兼作塔吊基础的多向耦合分析与工程实践 被引量:1

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摘要 上海软土地区深基坑工程中板式支护加内支撑的围护结构形式已得到了广泛的运用,合理的栈桥及塔吊布置成了提高基坑施工效率的关键之一。塔吊通常布置于基坑中部,易与支撑体系的对撑构件产生冲突。塔吊基础与支撑体系的受荷模式不尽相同,通常支撑与塔吊两者相互避让独立设计,对支撑的合理布置和塔吊的有效覆盖产生了一定影响。为保证基坑的施工效率及合理的支撑受力体系、减小基坑开挖的时空效应,同时一定程度上节约工程成本,对支撑的合理布置和塔吊的有效覆盖的研究必不可少。文章依托上海浦东区某医院基坑围护工程,采用ABAQUS有限元软件对支撑体系及塔吊基础相结合的复杂受力工况进行了数值分析,得出不同工况下支撑、塔吊基础的受力特点,为塔吊基础与栈桥结合的结构构件设计提供参考依据。
作者 陈思奇
出处 《安徽建筑》 2023年第2期127-129,共3页 Anhui Architecture
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