| 计算结构非线性地震峰值响应的等价线性化模型 |
| |
| 引用本文： | 曲哲,叶列平.计算结构非线性地震峰值响应的等价线性化模型[J].工程力学,2011(10). |
| |
| 作者姓名： | 曲哲 叶列平 |
| |
| 作者单位： | 清华大学土木工程系; |
| |
| 基金项目： | 高等学校博士学科点专项科研基金项目(200800030001); 国家自然科学基金重大研究计划重点项目(90815025); 长江学者和创新团队发展计划(IRT0736) |
| |
| 摘 要： | 多自由度体系的等价线性化方法是预测结构的非线性地震峰值响应的有效方法。单自由度等价线性化模型是该方法的基础。该文在前人研究的基础上,从定性和定量的两个方面综合分析了结构周期、延性系数以及恢复力模型等因素对单自由度等价线性化模型的影响,并通过对大量地震动记录下动力弹塑性分析结果的拟合回归,提出了能够综合反映各方面参数影响的单自由度等价线性化模型。与现有代表性的等价线性化模型相比,该文模型所反映的参数最为全面,预测峰值位移的平均相对误差最小,且略偏于保守。
|
| 关 键 词： | 建筑结构 等价线性化 单自由度体系 非线性地震响应 等价阻尼比 |
AN EQUIVALENT LINEAR MODEL TO ESTIMATE MAXIMUM INELASTIC SEISMIC RESPONSES OF STRUCTURAL SYSTEMS |
| |
| QU Zhe,YE Lie-ping.AN EQUIVALENT LINEAR MODEL TO ESTIMATE MAXIMUM INELASTIC SEISMIC RESPONSES OF STRUCTURAL SYSTEMS[J].Engineering Mechanics,2011(10). |
| |
| Authors: | QU Zhe YE Lie-ping |
| |
| Affiliation: | QU Zhe,YE Lie-ping(Department of Civil Engineering,Tsinghua University,Beijing 100084,China) |
| |
| Abstract: | The equivalent linear analysis of a multi-degree-of-freedom system is an effective method in predict-ing the maximum inelastic seismic responses of building structures,in which the equivalent linear models for sin-gle-degree-of-freedom systems are of essential importance.The influence of structure's period of vibration,duc-tility ratio and hysteretic models over the equivalent linear parameters is examined both conceptually and quanti-tatively.A comprehensive model taking all the above-mentioned factors int... |
| |
| Keywords: | building structure equivalent linearization single-degree-of-freedom system nonlinear seismic response equivalent damping ratio |
| 本文献已被 CNKI 等数据库收录！ |
