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Analysis of the Influence of Stairs on the Dynamic Responses of Reinforced Concrete Frame
Author(s): 
Pages: 89-92
Year: Issue:  4
Journal: Journal of Gansu Sciences

Keyword:  楼梯钢筋砼框架时程分析动力响应;
Abstract: 楼梯作为建筑结构中重要的体系,设计方法对建筑结构有重要的影响,依据一栋钢筋混凝土框架结构建立了不带楼梯的模型(BD1)和带有楼梯的模型(BD2),选取Ⅱ、Ⅲ类场地4种地震波,采用时程分析法模拟了结构在8度大震时4种地震波作用下的动力响应,对比了顶层的加速度和位移响应.结果表明,楼梯对于钢筋混凝土框架动力响应的影响不同,在不同地震波作用下对结构响应既有放大作用也有加速衰减效果.建议在结构设计和计算过程中应该考虑楼梯对结构的作用.
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