T形PEC柱抗震性能的数值模拟分析
利用ABAQUS软件对14个T形PEC柱进行低周反复加载模拟，分析不同参数对T形PEC柱抗震性能的影响规律。结果表明：T形PEC柱的滞回曲线呈饱满的平行四边形，且刚度退化稳定，耗能能力和延性良好；提高混凝土强度等级虽然可增大柱的初始刚度，但混凝土强度等级过高则会导致柱的延性降低，刚度退化加剧，抗震性能降低；在T形PEC柱内设置横向拉杆，且将<italic>x</italic>方向和<italic>z</italic>方向的横向拉杆相互焊接，有利于对混凝土形成套箍作用从而提高柱的抗震性能，但拉杆间距不宜大于150 mm；在T形PEC柱的两侧阴角处分...
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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
2024-04-01
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| Series: | Jianzhu Gangjiegou Jinzhan |
| Subjects: | |
| Online Access: | http://steelpro.tongji.edu.cn/thesisDetails#10.13969/j.cnki.cn31-1893.2024.04.009 |
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