[1]高仲学,王修信,王恒华,等.钢筋混凝土框架结构动力失效研究[J].东南大学学报(自然科学版),2000,30(5):81-85.[doi:10.3969/j.issn.1001-0505.2000.05.019]
 Gao Zhongxue,Wang Xiuxin,Wang Henghua,et al.Dynamic Failure for Reinforced Concrete Frame Structures[J].Journal of Southeast University (Natural Science Edition),2000,30(5):81-85.[doi:10.3969/j.issn.1001-0505.2000.05.019]
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钢筋混凝土框架结构动力失效研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
30
期数:
2000年第5期
页码:
81-85
栏目:
土木工程
出版日期:
2000-09-20

文章信息/Info

Title:
Dynamic Failure for Reinforced Concrete Frame Structures
作者:
高仲学 王修信 王恒华 席瑶 邰扣霞
东南大学土木工程学院,南京 210096
Author(s):
Gao Zhongxue Wang Xiuxin Wang Henghua Xi Yao Tai Kouxia
College of Civil Engineering, Southeast University, Nanjing 210096
关键词:
框架结构 混凝土结构 动力失效 二阶效应 塑性铰
Keywords:
frame structure reinforced concrete dynamic failure second order effect plastic hinge
分类号:
TU37
DOI:
10.3969/j.issn.1001-0505.2000.05.019
摘要:
分析了强震作用下结构动力失效的机理以及预报结构的倒塌和确定结构的安全系数,根据非线性动力模型编制了NDAP(结构非线性动力分析)程序来分析钢筋混凝土框架结构在强震作用下的反应,通过对框架结构的塑性铰形成过程的计算机模拟,分析了框架结构非线性动力失效的机制,并通过算例分析了二阶效应对强震作用下结构倒塌的重要影响和预告作用.
Abstract:
Dynamic failure process of RC frame structures is analyzed in order to predict the collapse of a structure and determine the safety coefficient of the building. The nonlinear dynamic model is proposed and corresponding parameters are determined. The nonlinear dynamic analysis program NDAP is compiled according to the model and applied to calculating the dynamic response of RC frame under earthquake. The process of plastic hinge generation is simulated and some other dynamic characteristics are discussed. Finally, the second order effect (P-Δ effect) on dynamic failure is investigated through an example of RC frame under EL-CENTRO wave, and the results shows that the second order effect is one of the key factors to lead to the failure of the structure and to predict the collapse of whole building.

参考文献/References:

[1] Bernal D.Instability of building system to earthquake.J of Struct Engrg,1992,118(8):2239~2260
[2] Wood S L.Collapse of 8-story RC building during 1985 Chile Earthquake.J of Struct Engrg,1991,117(2):600~619
[3] Rodriquez M.A measure of the capacity of earthquake ground motions to damage structures.Earthquake Engrg & Struct Dyn,1994,23:627~643
[4] Scholz H.P-delta effect under repeated loading.J Struct Div ASCE,1990,116(8):2070~2082
[5] 高仲学.钢筋混凝土与钢骨框架动力失效研究:[学位论文].南京:东南大学,2000
[6] 中国建筑科学院建筑结构研究所主编.高层建筑结构设计.北京:科学出版社,1982

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备注/Memo

备注/Memo:
基金项目: 江苏省基础研究基金资助项目(BJ97023).
第一作者:男,1973年生, 博士研究生.
更新日期/Last Update: 2000-09-20