Q690高强钢板梁火灾后剩余承载性能研究
开展高温后水冷Q690高强钢的材性试验研究，明确高温对Q690高强钢力学性能的影响规律。在考虑材料非线性和几何非线性的基础上，将高温后水冷Q690高强钢的材性引入数值分析模型，在ABAQUS有限元软件中实现考虑屈曲后性能的Q690高强钢板梁的火灾后剩余承载性能分析。研究结果表明：暴露温度700 ℃为Q690高强钢力学性能变化的分界点。随着暴露温度的升高，<italic>f</italic><sub>y</sub>和<italic>f</italic><sub>u</sub>都表现出先减小后增大的规律...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Progress in Steel Building Structures, Tongji University
2022-11-01
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| Series: | Jianzhu Gangjiegou Jinzhan |
| Subjects: | |
| Online Access: | http://steelpro.tongji.edu.cn/thesisDetails#10.13969/j.cnki.cn31-1893.2022.11.006 |
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