密肋复合板结构非线性数值分析模型研究与验证
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摘要
综合考虑密肋复合墙体的外框、肋格和填充砌块三部分构成特性,基于通用有限元分析软件,运用分层壳理论及纤维模型理论并结合自定义材料子程序模型,建立了不仅能反映密肋复合板结构整体受力特性还能反映构件开裂、挤压等局部受力特性的密肋复合板结构非线性数值分析模型。通过对3个构件试验和1个结构试验进行数值模拟计算,模拟结果与试验数据吻合较好,验证了本文数值分析模型可用于密肋复合板结构的滞回性能模拟,并具有较高的计算精度。
Considering the composition features of outside frame,rib grid and infilling brick of multi-ribbed composite slab structures(MRSS),a nonlinear numerical analysis model was developed based on general finite element software with the application of multi-layer shell theory,fiber model theory and user-defined material model.This model reflects both the structural integrity characteristics and local mechanical behavior such as local cracking or extruding of MRSS.The comparison between the numerical simulation results and the experimental data of three component specimens and one structural specimen,shows that this model can be used in the nonlinear calculation or analysis of large MRSS under complicated conditions and has a high accuracy of prediction.
Considering the composition features of outside frame,rib grid and infilling brick of multi-ribbed composite slab structures(MRSS),a nonlinear numerical analysis model was developed based on general finite element software with the application of multi-layer shell theory,fiber model theory and user-defined material model.This model reflects both the structural integrity characteristics and local mechanical behavior such as local cracking or extruding of MRSS.The comparison between the numerical simulation results and the experimental data of three component specimens and one structural specimen,shows that this model can be used in the nonlinear calculation or analysis of large MRSS under complicated conditions and has a high accuracy of prediction.
引文
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[10]Miao Z W,Ye L P,Guan H,Lu X Z.Evaluation of modal and traditional pushover analyses in frame-shear-wall structures[J].Advances in Structural Engineering,2011,14(5):815-836.
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[13]张杰.密肋复合墙板受力性能及斜截面承载力实用设计计算方法研究[D].西安:西安建筑科技大学,2005:9-28.(ZHANG Jie.Mechanical property study and practical oblique section design method study on multi-ribbed composite wall[D].Xi’an:Xi’an University of Architecture and Technology,2005:9-28.(in Chinese))
[14]喻磊.密肋复合墙板框格单元在地震作用下的受力机理及弹塑性损伤模型研究[D].西安:西安建筑科技大学,2006:59-82.(YU Lei.Research on load-bearing mechanism and elastic-plastic damage model of fundamental masonry infilled frames in multi-ribbed wall subject to seismic load[D].Xi’an:Xi’an University of Architecture and Technology,2006:59-82.(in Chinese))
[2]姚谦峰,袁泉.小高层密肋壁板轻框结构模型振动台试验研究[J].建筑结构学报,2003,24(1):59-63.(YAO Qianfeng,YUAN Quan.Study on shakingtable test of a 1/10 scale high rise multi rib wall plateslablightweight frame model[J].Journal of BuildingStructures,2003,24(1):59-63.(in Chinese))
[3]贾英杰.中高层密肋复合板结构计算理论及设计方法研究[D].西安:西安建筑科技大学,2004:18-54.(JIA Yingjie.Research on computational theory anddesign method of moderate high-rise muti-ribbed slabstructrue[D].Xi’an:Xi’an University of Architectureand Technology,2004:18-54.(in Chinese))
[4]姚谦峰,黄炜,田洁,等.密肋复合墙体受力机理及抗震性能试验验研究[J].建筑结构学报,2004,25(6):67-74.(YAO Qianfeng,HUANG Wei,TIANJie,et al.Experimental analyses of mechanicalcharacteristics and seismic performance of multi-ribbedpanel wall[J].Journal of Building Structures,2004,25(6):67-74.(in Chinese))
[5]田洁.框支密肋复合板结构非线性地震反应分析及基于损伤性能的抗震能力评估方法研究[D].西安:西安建筑科技大学,2007:37-86.(TIAN Jie.Thenonlinear earthquake response analysis of frame-supported muti-ribbed slab structure and damageperformance based seismic evaluation methods[D].Xi’an:Xi’an University of Architecture andTechnology,2007:37-86.(in Chinese))
[6]刘海涛,姚谦峰,汪训流,等.复杂受力状态下密肋复合墙体框格有限元模拟[J].华中科技大学学报:自然科学版,2011,39(5):47-50.(Liu Haitao,YaoQianfeng,Wang Xunliu,et al.FEM simulation offrame grid of multi-ribbed composite walls undercomplicated loads[J].Journal of Huazhong Universityof Science and Technology:Natural Science Edition,2011,39(5):47-50.(in Chinese))
[7]林旭川,陆新征,缪志伟,等.基于分层壳单元的RC核心筒结构有限元分析和工程应用[J].土木工程学报,2009,42(3):49-54.(Lin Xuchuan,LuXinzheng,Miao Zhiwei,et al.Finite element analysisand engineering application of RC core-tube structuresbased on the multi-layer shell elements[J].China CivilEngineering Journal,2009,42(3):49-54.(inChinese))
[8]汪训流,陆新征,叶列平.往复荷载下钢筋混凝土柱受力性能的数值模拟[J].工程力学,2007,24(12):76-81.(WANG Xun-liu,LU Xin-zheng,YE Lie-ping.Numerical simulation for the hysteresis behavior of RC columns under cyclic loads[J].Engineering Mechanics,2007,24(12):76-81.(in Chinese))
[9]Godat A,Qu Z,Lu X Z,Labossière P,Ye L P,Neale K W.Size effects for reinforced concrete beams strengthened in shear with CFRP strips[J].Journal of Composite for Construction,ASCE,2010,14(3):260-271.
[10]Miao Z W,Ye L P,Guan H,Lu X Z.Evaluation of modal and traditional pushover analyses in frame-shear-wall structures[J].Advances in Structural Engineering,2011,14(5):815-836.
[11]Lu X,Lu X Z,Zhang W K,Ye L P.Collapse simulation of a super high-rise building subjected to extremely strong earthquakes[J].Science China Technological Sciences,2011,54(10):2549-2560.
[12]刘海涛.密肋复合板结构非线性数值模型研究与地震能量反应分析[D].北京:北京交通大学,2012:19-50.(LIU Haitao.Research on nonlinear numerical models and analysis to seismic energy responses of multi-ribbed composite slab structures[D].Beijing:Beijing Jiaotong University,2012:19-50.(in Chinese))
[13]张杰.密肋复合墙板受力性能及斜截面承载力实用设计计算方法研究[D].西安:西安建筑科技大学,2005:9-28.(ZHANG Jie.Mechanical property study and practical oblique section design method study on multi-ribbed composite wall[D].Xi’an:Xi’an University of Architecture and Technology,2005:9-28.(in Chinese))
[14]喻磊.密肋复合墙板框格单元在地震作用下的受力机理及弹塑性损伤模型研究[D].西安:西安建筑科技大学,2006:59-82.(YU Lei.Research on load-bearing mechanism and elastic-plastic damage model of fundamental masonry infilled frames in multi-ribbed wall subject to seismic load[D].Xi’an:Xi’an University of Architecture and Technology,2006:59-82.(in Chinese))
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