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Analysis of Influencing Factors for Shear Capacity of RC Deep Beams
Pages: 191-195
Year: Issue:  3
Journal: Journal of Liaoning Institute of Technology(Natural Science Edition)

Keyword:  火灾深梁抗剪影响因素数值模拟;
Abstract: 利用有限元分析软件ANSYS Workbench对以混凝土强度、配筋率、受火温度和受火时间为变量的受火条件下钢筋混凝土深梁进行抗剪性能分析,并将其结果与常温下的模拟试验结果进行对比分析.结果 发现,深梁的抗剪能力随着火灾温度的增大及受火时间的增长而变差;同等受火时间及火灾温度作用下,深梁的抗剪强度与常温时结果一致,随混凝土强度和配筋率的提高而增大;高温受火后,深梁的抗剪能力明显下降.
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