钢筋混凝土框架结构弹塑性数值子结构分析方法

孙宝印; 古泉; 张沛洲; 欧进萍

doi:10.6052/j.issn.1000-4750.2015.07.ST08

钢筋混凝土框架结构弹塑性数值子结构分析方法

doi: 10.6052/j.issn.1000-4750.2015.07.ST08

1.
大连理工大学建设工程学部, 辽宁, 大连 116024;
2.
厦门大学建筑与土木学院, 福建, 厦门 361005;
3.
哈尔滨工业大学土木工程学院, 黑龙江, 哈尔滨 150090

基金项目: 国家自然科学基金项目(51261120376;91315301-12)

详细信息

作者简介:
孙宝印(1989-),男,安徽人,博士生,主要从事建筑结构非线性分析研究(E-mail:baoyin_sun@126.com);古泉(1974-),男,新疆人,教授,博士,从事结构可靠度、土结相互作用及高层和桥梁抗震分析研究(E-mail:quangu@xmu.edu.cn);张沛洲(1987-),男,宁夏人,博士生,主要从事建筑结构抗震分析研究(E-mail:zpz_87@163.com).

通讯作者:
欧进萍(1959-),男,湖南人,教授,博士,院士,从事结构监测、控制与防灾减灾领域的研究(E-mail:oujinping@dlut.edu.cn).

中图分类号: TU311.3;TU375.4
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出版历程
- 收稿日期: 2015-07-02
- 修回日期: 2015-11-23
- 刊出日期: 2016-05-25

Elastoplastic numerical substructure method of reinforced concrete frame structures

1.
Faculty of Infrastructure Engineering Dalian University of Technology, Dalian, Liao Ning 116024, China;
2.
School of Architecture and Civil Engineering, Xiamen University, Xiamen, Fujian 361005, China;
3.
School of Civil Engineering, Harbin Institute of Technology, Harbin, Hei Longjiang 150090, China

More Information

Corresponding author: 10.6052/j.issn.1000-4750.2015.07.ST08

摘要

摘要: 大型复杂土木工程结构在地震作用下失效破坏可能由部分关键构件严重损伤破坏导致,而大部分构件仍处于弹性或小变形状态。该类结构的地震损伤和破坏全过程分析涉及超大规模系统强非线性动力分析,目前尚缺乏能很好兼顾效率和精度的计算理论,基于此,该文提出一种新型高效且实用的弹塑性数值子结构理论和计算方法,将大型复杂结构系统的大规模非线性计算问题转化为整体结构适度规模的线弹性分析和数量与规模均较小的局部隔离子结构非线性分析,其中,线弹性整体结构刚度矩阵的集成及LU三角分解仅需进行一次,大大提高计算效率;少数屈服构件的子结构非线性分析采用精细化有限元模型或不同类型单元模型,精确模拟构件局部损伤破坏机理,有效提高结构整体的计算精度。最后通过对一榀平面钢筋混凝土框架结构进行地震动力弹塑性数值子结构方法分析,验证其高效性与精确性。
- 数值子结构方法 /
- 局部非线性 /
- 弹塑性 /
- 非线性分析 /
- CS技术
Abstract: During the seismic process of earthquakes, larger-scale civil engineering structures might fail due to the serious damage to some key structural members, whereas most structural components might remain elastic and experience small deformation. It is a challenging task to simulate the behavior of such structural systems due to the trade-off between computational efficiency and numerical accuracy. This paper presents an efficient and practical elastoplastic numerical substructure method, in which the whole structural seismic analysis is divided into linear elastic analysis of a master structure and nonlinear analysis of limited numbers of small-scale substructures, to balance the computational efficiency and numerical accuracy. During the linear elastic analysis of the master structure, the formation and LU triangular decomposition need to be done only once as the equivalent stiffness matrix remains constant, resulting in high computational efficiency of the master structure. Rational or refined models can be used in substructure systems to model the local damage mechanism, improving the numerical accuracy of the whole structure. Seismic analysis of a reinforced concrete frame structure is performed to verify the novel numerical substructure method.
- numerical substructure method /
- local nonlinearity /
- elastoplastic /
- nonlinear analysis /
- CS technique

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参考文献(14)

[1]	Clough R W, Wilson E L. Dynamic analysis of large structural systems with local nonlinearities[J]. Computer Methods in Applied Mechanics and Engineering, 1979, 17(79):107-129.
[2]	Bathe K, Gracewski S. On nonlinear dynamic analysis using substructuring and mode superposition[J]. Computers & Structures, 1981, 13(5/6):699-707.
[3]	Owen D. Substructuring techniques in material nonlinear analysis[J]. Computers & Structures, 1982, 15(3):205-213.
[4]	Ali S, Moore I D, Page A W. Substructuring technique in nonlinear analysis of brick masonry subjected to concentrated load[J]. Computers & Structures, 1987, 27(3):417-425.
[5]	Huang J, Wang T. Buckling analysis of large and complex structures by using substructuring techniques[J]. Computers & Structures, 1993, 46(5):845-850.
[6]	Chen H, Archer G C. New domain decomposition algorithm for nonlinear substructures[J]. Journal of Computing in Civil Engineering, 2005, 19(2):148-159.
[7]	Wong K K, Yang R. Inelastic dynamic response of structures using force analogy method[J]. Journal of Engineering Mechanics, 1999, 125(10):1190-1199.
[8]	孙宝印, 张沛洲, 古泉, 欧进萍. 基于数值子结构方法的结构弹塑性分析[J]. 计算力学学报, 2015, 32(4):465-472. Sun Baoyin, Zhang Peizhou, Gu Quan, Ou Jinping. Numerical substructure method for nonlinear structural analysis[J]. Chinese Journal of Computational Mechanics, 2015, 32(4):465-472. (in Chinese)
[9]	Chopra A K. Dynamics of structures[M]. New Jersey:Prentice-Hall, 1995.
[10]	GB50010-2011, 混凝土结构设计规范[S]. 北京:中国建筑工业出版社, 2011. GB50010-2011, Code for design of concrete structures[S]. Beijing:China Building Industry Press, 2011. (in Chinese)
[11]	Park R, P M J. Ductility of square confined reinforced concrete columns[J]. Journal of the Structural Division, 1982, 4(108):929-950.
[12]	Gu Q, Barbato M, Conto J P, Mackenna F. Opensees-SNOPT framework for finite-element-based optimization of structural and geotechnical systems[J]. Journal of Structural Engineering, 2012, 138(6):822-834.
[13]	过镇海. 钢筋混凝土原理[M]. 北京:清华大学出版社, 2003:18-29. Guo Zhenhai. Reinforced concrete theory[M]. Beijing:Tsinghua University Press, 2003:18-29. (in Chinese)
[14]	Gu Q, Ozcelik O. Integrating OpenSees with other software-with application to coupling problems in civil engineering[J]. Structural Engineering and Mechanics, 2011, 40(1):85-103. (in Chinese)

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文章访问数: 426
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钢筋混凝土框架结构弹塑性数值子结构分析方法

doi: 10.6052/j.issn.1000-4750.2015.07.ST08

通讯作者:
欧进萍(1959-),男,湖南人,教授,博士,院士,从事结构监测、控制与防灾减灾领域的研究(E-mail:oujinping@dlut.edu.cn).

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Elastoplastic numerical substructure method of reinforced concrete frame structures

Corresponding author: 10.6052/j.issn.1000-4750.2015.07.ST08

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留言板

钢筋混凝土框架结构弹塑性数值子结构分析方法

doi: 10.6052/j.issn.1000-4750.2015.07.ST08

通讯作者: 欧进萍(1959-),男,湖南人,教授,博士,院士,从事结构监测、控制与防灾减灾领域的研究(E-mail:oujinping@dlut.edu.cn).

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出版历程

Elastoplastic numerical substructure method of reinforced concrete frame structures

Corresponding author: 10.6052/j.issn.1000-4750.2015.07.ST08

计量

出版历程

目录

通讯作者:
欧进萍(1959-),男,湖南人,教授,博士,院士,从事结构监测、控制与防灾减灾领域的研究(E-mail:oujinping@dlut.edu.cn).