平面移动式立体车库运载系统载荷谱编制与应用
平面移动式立体车库容量大、形式多样,对车位分配的要求更高,载荷形式更多样。因此在研究立体车库的载荷谱时,以平面移动式立体车库为代表对其进行研究,运用概率统计方法,基于车辆存取策略建立了适用于立体停车结构的交变载荷谱;进一步采用四点雨流计数法对载荷谱进行统计和边缘分布拟合,结果表明:载荷均值服从均值为9.876,标准差为0.493的正态分布;幅值服从形状参数为1.603,尺度参数为2.048的双参数winbull分布。通过参数外推得到整个生命周期的荷载频次,建立了对应的8级二维载荷谱和一维载荷谱。基于Miner线性损伤准则,应用本文载荷谱进行移动载荷下型钢柱-牛腿节点疲劳寿命预测,实际疲劳寿命符...
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| Main Authors: | 陈怡芝, 贺拥军 |
|---|---|
| Format: | Article |
| Language: | zho |
| Published: |
Editorial Department of Progress in Steel Building Structures, Tongji University
2024-01-01
|
| Series: | Jianzhu Gangjiegou Jinzhan |
| Subjects: | |
| Online Access: | http://steelpro.tongji.edu.cn/thesisDetails?columnId=68207721&Fpath=home&index=0 |
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