[1]潘志宏,李爱群.混凝土剪力墙结构静力非线性分析的弯剪模型及实现[J].东南大学学报(自然科学版),2012,42(4):701-705.[doi:10.3969/j.issn.1001-0505.2012.04.024]
 Pan Zhihong,Li Aiqun.Nonlinear static analytical shear-flexure model of RC shear wall structure and its realization[J].Journal of Southeast University (Natural Science Edition),2012,42(4):701-705.[doi:10.3969/j.issn.1001-0505.2012.04.024]
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混凝土剪力墙结构静力非线性分析的弯剪模型及实现()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
42
期数:
2012年第4期
页码:
701-705
栏目:
土木工程
出版日期:
2012-07-20

文章信息/Info

Title:
Nonlinear static analytical shear-flexure model of RC shear wall structure and its realization
作者:
潘志宏12 李爱群1
1 东南大学混凝土及预应力混凝土结构教育部重点实验室,南京 210096; 2 江苏科技大学土木工程与建筑学院,镇江212003
Author(s):
Pan Zhihong12 Li Aiqun1
1 Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 210096, China
2 School of Civil and Architecture Engineering, Jiangsu University of Science and Technology,
关键词:
剪力墙结构 抗震性能 非线性分析 OpenSees
Keywords:
shear wall structure seismic performance nonlinear analysis OpenSees
分类号:
TU375;TU313
DOI:
10.3969/j.issn.1001-0505.2012.04.024
摘要:
为发展剪力墙结构的精细化非线性分析方法,对剪力墙静力非线性分析方法及实现技术进行了系统研究.首先基于钢筋混凝土薄膜元软化桁架理论,考虑弯曲和剪切的耦合,在对约束边缘构件混凝土数值模型比较的基础上,提出了混凝土实体墙的数值模型.然后对比数值分析与已有试验数据的荷载位移关系,发现二者符合较好,表明该方法能反映结构整体受力性能.最后通过对连梁数值模型和整体建模方法的研究,提出了开洞混凝土墙体静力非线性分析的模型和方法,数值仿真结果与已有的联肢墙试验结果的荷载-位移曲线对比表明,二者的初始刚度以及初始转折点位置符合良好,极限承载力接近,分析曲线能够较好地反映实际双肢墙荷载位移发展的总体趋势.
Abstract:
It is necessary for better understanding and grasp on seismic performance of RC(reinforced concrete)shear wall structures to develop its fine nonlinear analysis method. Systemic study on nonlinear static analysis and its realization method are carried out. Beginning with rotating-angle softened-truss model for coupled shear and flexural responses, shear-flexure analytical model of solid wall is presented based on the comparative study on four types of constitutive law of concrete for confined concrete of boundary zone. Good agreements between analytical and experimental load-displacement relation are found, which indicates that the proposed analytical method can well reflect the global mechanical behavior of shear wall well. Study on coupling beam and global perforated wall modeling is implemented, then modeling and nonlinear static analysis method for perforated wall is proposed. By comparing analytical load-displacement curve to experimental results, it is shown that initial stiffness and first turning point agree well and analytical ultimate capacity is close to experimental, which shows that the load-displacement curve can actually exhibit the general load-displacement trend of perforated wall.

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备注/Memo

备注/Memo:
作者简介: 潘志宏(1970—),男,博士,副教授,zhhpan@tom.com.
基金项目: 住房和城乡建设部科技资助项目(2010-K3-48)、江苏科技大学引进人才科研启动资助项目、湖南省自然科学基金资助项目(11JJ5024).
引文格式: 潘志宏,李爱群.混凝土剪力墙结构静力非线性分析的弯剪模型及实现[J].东南大学学报:自然科学版,2012,42(4):701-705. [doi:10.3969/j.issn.1001-0505.2012.04.024]
更新日期/Last Update: 2012-07-20