混凝土灌芯纤维石膏墙板的简化计算方法及内力分析
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摘要
为了研究混凝土灌芯纤维石膏墙板(以下简称复合墙板)在荷载作用下石膏墙板与芯柱受力发展过程、受力体系的演变过程及承载力,该文依据复合墙板的构成特点,将石膏墙板与由芯柱和圈梁构成的框架(以下简称框架)分开,分别确定力与位移的关系并用匀质链杆相连,建立计算简图。再依据石膏墙板与框架的高宽比不同其变形特点不同,分别确定力与位移的关系,以变形协调关系为理论基础推导出了高宽比不同时复合墙板的受力破坏路径,及各阶段的内力计算方法及计算公式。计算结果表明:该文提供的方法与试验结果吻合较好。
The paper investigates the loading performance and the ultimate capacity of concrete frames with fiber plasterboard. In the analysis, the plasterboard and the frames consisting of concrete core and ring beam are assumed to be connected by isotropic chain-poles. Then, the relations between load and displacement are determined corresponding to different Height-Width ratios. Moreover, the damage procedures are developed based on deformation compatibility, the calculation method and internal force formulas are derived at different damage stages. The calculated results agree well with the experimental results.
The paper investigates the loading performance and the ultimate capacity of concrete frames with fiber plasterboard. In the analysis, the plasterboard and the frames consisting of concrete core and ring beam are assumed to be connected by isotropic chain-poles. Then, the relations between load and displacement are determined corresponding to different Height-Width ratios. Moreover, the damage procedures are developed based on deformation compatibility, the calculation method and internal force formulas are derived at different damage stages. The calculated results agree well with the experimental results.
引文
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[11]姜忻良,郇筱林,谷岩,姜黎明,白燕.纤维增强石膏墙板-混凝土叠合楼板性能试验研究[J].建筑结构,2004,34(10):49―51.Jiang Xinliang,Xun Xiaolin,Gu Yan,Jiang Liming,Bai Yan.Characteristics experimental study of reinforcing fiber plasterboard-concrete superimposed floor slab[J].Building Structures,2004,34(10):49―51.(in Chinese)
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[2]姜忻良,刘康,邓永胜.混凝土密排内框架-纤维石膏墙板低周往复实验研究[J].建筑结构学报,2004,25(4):50―64.Jiang Xinliang,Liu Kang,Deng Yongsheng.Experiment-al research on behavior of closely spaced concrete frames-fiber reinforce plasterboard under low cyclic loading[J].Journal of Building Structures,2004,25(4):50―64.(in Chinese)
[3]姜忻良,高海,许岩,张宇.复合墙板计算模型与试点工程动力特性分析[J].地震工程与工程振动,2006,26(1):100―104.Jiang Xinliang,Gao Hai,Xu Yan,Zhang Yu.Composite board calculating model and the engineering dynamic characteristics of selected point[J].Earthquake Engineering and Engineering Vibration,2006,26(1):100―104.(in Chinese)
[4]姜忻良,邓永胜,刘康,谷岩,崔霞.纤维石膏墙板中不同间距灌注混凝土芯柱抗震性能试验研究[J].地震工程与工程振动,2004,24(4):110―114.Jiang Xinliang,Deng Yongsheng,Liu Kang,Gu Yan,CuiXia.Experimental study on seismic behaviors of fiber plasterboards filled with concrete core columns with different spacing[J].Earthquake Engineering and Engineering Vibration,2004,24(4):110―114.(in Chinese)
[5]李砚波,张晋元,韩圣章.砌体结构设计[M].天津:天津大学出版社,2003.Li Yanbo,Zhang Jinyuan,Han Shengzhang.Design of masonry structure[M].Tianjin:Tianjin University Publishing House,2003.(in Chinese)
[6]梁启智.高层建筑结构分析与设计[M].广州:华南理工大学出版社,1992.Liang Qizhi.Design of High-rise building structures[M].Guangzhou:South China University Publishing House,1992.(in Chinese)
[7]包世华.新编高层建筑结构[M].北京:中国水利水电出版社,2001.Bao Shihua.New High-rise building structures[M].Beijing:China Water Conservancy and Hydropower Publishing House,2001.(in Chinese)
[8]谢剑,赵彤.Excel在建筑工程中的应用[M].天津:天津大学出版社,2004.Xie Jian,Zhao Tong.Excel applied in construction[M].Tianjin:Tianjin University Publishing House,2004.(inChinese)
[9]成文山,王世纪.结构塑性分析[M].北京:中国建筑工业出版社,1984.Cheng Wenshan,Wang Shiji.Plastic analysis of structures[M].Beijing:China Architecture Industry Press,1984.(in Chinese)
[10]周坚.高层建筑结构力学[M].北京:机械工业出版社,2006.Zhou Jian.Mechnics of High-rise building structures[M].Beijing:Machine Press,2006.(in Chinese)
[11]姜忻良,郇筱林,谷岩,姜黎明,白燕.纤维增强石膏墙板-混凝土叠合楼板性能试验研究[J].建筑结构,2004,34(10):49―51.Jiang Xinliang,Xun Xiaolin,Gu Yan,Jiang Liming,Bai Yan.Characteristics experimental study of reinforcing fiber plasterboard-concrete superimposed floor slab[J].Building Structures,2004,34(10):49―51.(in Chinese)
[12]Anthoine A.Derivation of the in2p lane elastic characteristics of masonry through homogenization theory[J].International Journal of Solids and Structures,1995,(32):137―163.
[13]Ma Guowei,Hao Hong,Lu Youg.Homogenization of masonry using numerical simulations[J].ASCE Journal Engineering Mechanics,2001,127(1):127―138.
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