建筑结构

2020, v.50;No.528(12) 129-133

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地质情况不清的条件下天安门广场红飘带景观工程难点解析
Difficulty analysis of the Red Ribbon on the Tiananmen Square under unclear foundation condition

张一舟;王岚;刘彦生;陈经纬;石永久;陈宏;
ZHANG Yizhou;WANG Lan;LIU Yansheng;CHEN Jingwei;SHI Yongjiu;CHEN Hong;Architectural Design & Research Institute of Tsinghua University Co., Ltd.;Department of Civil Engineering, Tsinghua University;

摘要(Abstract):

红飘带景观工程由于特殊原因,不能进行岩土工程勘察。以红飘带景观工程为例,在地基条件不明确的情况下,通过建立可靠的设计分析方法,保证结构达到所要求的可靠度。上部结构计算分析时,在支座条件设定上,恰当地体现地基刚度的不同,提高上部结构构件内力计算结果的准确度。按照工程结构可靠度理论,控制不同条件下的构件内力,使得结构总体可靠度基本一致。
The geotechnical engineering survey of the Red Ribbon could not be carried out because of special reasons. Based on this example, a reliable design analysis method was established to ensure that the structure met the required reliability with unclear foundation conditions. In the calculation and analysis of the superstructure, the stiffness of the foundation was properly reflected in the setting of the support conditions, and the accuracy of the calculation results of the internal force of the superstructure members was improved. According to the reliability theory of engineering structure, the internal force of the components under different conditions was controlled, so that the overall reliability of the structure was basically the same.

关键词(KeyWords): 地基刚度;支座条件;构件内力;可靠度
foundation stiffness;support condition;internal force of structural member;reliability

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作者(Author): 张一舟;王岚;刘彦生;陈经纬;石永久;陈宏;
ZHANG Yizhou;WANG Lan;LIU Yansheng;CHEN Jingwei;SHI Yongjiu;CHEN Hong;Architectural Design & Research Institute of Tsinghua University Co., Ltd.;Department of Civil Engineering, Tsinghua University;

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