装配式集装箱结构体系优化及节点性能
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摘要
为建立装配式集装箱结构的标准体系并掌握其力学性能,以一个典型的集装箱建筑方案为基础,以规范要求为评价指标,对其进行了6种不同结构方案的静力分析和抗震分析,研究了设置横梁立柱、辅助拉杆等构造措施对结构性能的影响,结果表明:该集装箱建筑体系对风荷载较为敏感,构件截面主要由风荷载控制,地震作用不起控制作用,增加局部立柱和横梁对于提高集装箱建筑的抗侧移刚度作用不明显,而设置侧向拉杆则能有效加强结构抗侧移刚度.最后采用多尺度分析方法对结构所采用的装配式集装箱建筑节点进行了模拟分析,结果表明该节点在结构各种工况下均能保持良好的工作状态,可为类似集装箱建筑的节点选用提供技术参考.
To establish standard system of fabricated container structure and obtain its mechanical characteristics,static mechanical analysis and seismic analysis were made on six sets of structures according to existing codes based on a typical plan of container building. The influence on structural performance by adding beams and columns or tension cables was also studied. The results indicate that: container building system is sensitive to wind load,which controls the section of members and seismic action is not a dominant factor; the effort to enhance lateral stiffness of container building by adding local columns and beams is not useful,while adding lateral tension rod can strengthen the structural lateral stiffness effectively. Finally,a connected joint used in container building was analyzed by multi-scale analysis. The results indicate that this joint can work well under every working condition and provide a technical reference of joint selection in similar container buildings.
To establish standard system of fabricated container structure and obtain its mechanical characteristics,static mechanical analysis and seismic analysis were made on six sets of structures according to existing codes based on a typical plan of container building. The influence on structural performance by adding beams and columns or tension cables was also studied. The results indicate that: container building system is sensitive to wind load,which controls the section of members and seismic action is not a dominant factor; the effort to enhance lateral stiffness of container building by adding local columns and beams is not useful,while adding lateral tension rod can strengthen the structural lateral stiffness effectively. Finally,a connected joint used in container building was analyzed by multi-scale analysis. The results indicate that this joint can work well under every working condition and provide a technical reference of joint selection in similar container buildings.
引文
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[3]中国钢结构协会.集装箱模块化组合房屋技术规程:CECS 334:2013[S].北京:中国计划出版社,2013.China Steel Constructions Society.Technical specification for modular freight container building:CECS 334:2013[S].Beijing:China Planning Press,2013.
[4]中华人民共和国住房和城乡建设部.建筑结构荷载规范:GB 50009—2012[S].北京:中国建筑工业出版社,2012.Ministry of Housing and Urban-Rural Development of the People’s Republic of China.Load code for the design of building structures:GB 50009—2012[S].Beijing:China Architecture&Building Press,2012.
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[6]林旭川,陆新征,叶列平.钢-混凝土混合框架结构多尺度分析及其建模方法[J].计算力学学报,2010,27(3):469-475.DOI:10.7511/jslx20103015.LIN Xuchuan,LU Xinzheng,YE Lieping.Multi-scale finite element modeling and its application in the analysis of a steel-concrete hybrid frame[J].Chinese Journal of Computational Mechanics,2010,27(3):469-475.DOI:10.7511/jslx20103015.
[7]石永久,王萌,王元清.基于多尺度模型的钢框架抗震性能分析[J].工程力学,2011,28(12):20-26.SHI Yongjiu,WANG Meng,WANG Yuanqing.Seismic behavior analysis of steel frame by multi-scale calculation method[J].Engineering Mechanics,2011,28(12):20-26.
[8]王鑫敏.ANSYS结构分析单元与应用[M].北京:人民交通出版,2011:435-450.WANG Xinmin.ANSYS structural analysis elements and application[M].Beijing:China Communication Press,2011:435-450.
[9]中国建筑技术研究院.高层民用建筑钢结构技术规程:JGJ 99—98[S].北京:中国建筑工业出版社,1998.Chinese architectural institute of technology.Technical specification for steel structure of tall buildings:JGJ 99—98[S].Beijing:China Architecture&Building Press,1998.
[10]中华人民共和国住房和城乡建设部.建筑抗震设计规范:GB50011—2010[S].北京:中国建筑工业出版社,2010.Ministry of Housing and Urban-Rural Development of the People’s Republic of China.Code for seismic design of buildings:GB 50011—2010[S].Beijing:China Architecture&Building Press,2010.
[11]中国国家标准化管理委员会.钢拉杆:GB/T 20934—2007[S].北京:中国标准出版社,2007.Standardization Administration of the People’s Republic of China.Steel tie rod:GB/T 20934—2007[S].Beijing:China Standards Press,2007.