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Discussion on Value for Overload of Pit Slope in Design of Foundation Pit
Author(s): 
Pages: 395-399
Year: Issue:  S1
Journal: Geotechnical Investigation & Surveying

Keyword:  基坑工程 超载 荷载组合 分项系数 极限状态;
Abstract: 统计了基坑工程所涉及到的建筑材料和施工机械的超载值,介绍了相关规范中承载能力极限状态和正常使用极限状态用于基坑工程时的分项系数取值问题,认为正常使用极限状态下各种建筑材料、长期放置的施工设备等超载可采用组合值;土方运输车辆、商砼罐车等荷载可根据实际情况采用频遇值或准永久值,并建议了超载的各种代表值系数。提出基坑设计中应根据实际情况,计算各种超载的具体数据,从而降低基坑工程的风险。
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