施工技术 2015年8月下 114 CONSTRUCTION TECHNOLOGY 第44卷第16期 D0I:10.7672/sgj82015160114 地下室局部整体抗浮水头计算方法研究 杨淑娟，张同波2，刘德海 (1.青岛理工大学土木工程学院，山东青岛266033；2.青建集团股份公司，山东青岛266000) [摘要]对于带有大底盘地下室的高层、超高层结构，由于主楼部分结构自重较大，面地下室部分结构自重相对较 小，如果地下水位超过一定高度后，可能会导致与主楼的地下室部位出现“局部整体抗浮失效”.在施工过程中，当 地下室部位的覆土回填完成之前，结构的压重没有到位时，如果出现降水能力不足或遇到较强的降雨时，也会发生 施工过程中的“局部整体抗浮失效”事故.介绍了“局部整体抗浮失效”发生的部位及受力特征，并结合工程实例 提出了“局部整体抗浮设计水头”的计算方法，最后通过数值模拟验证了所建议计算方法的可靠性. [关键词]地下工程；地下室；抗浮水头；计算方法 [中图分类号]TU753.66 [文献标识码]A[文章编号]1002-8498(2015)16-0114-04 Research on Calculation Method of Local Anti-floating Water Head of Basements Yang Shujuan' Zhang Tongbo2 Liu Dehai' (1.School of Ciwil Engineering Qingdao Technological University Qingdao Shandong 266033 China; 2.Qingjian Building Group Co.Lid.Qingdao Shandong 266000 China) Abstract:With respect to high-rise and super-high-rise buildings with large chassis basements because of the high dead load of main building and the relatively low dead load of basement structure local anti- floating failure may occur when the groundwater rises up to a certain level of limitation.During the construction this phenomenon of local anti-floating failure may also happen when rainfall is not sufficient or it is too much before covering soil is backfilled and weight is not added.In this paper the location and mechanical property of the local anti-floating failure has been introduced.A calculation method of local anti-floating water head has been proposed and demonstrated a practical case.Finally the reliability of t...
地下室局部整体抗浮水头计算方法研究.pdf
