钢筋混凝土短肢剪力墙结构非线性分析研究
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摘要
针对两类混凝土短肢剪力墙结构形式,分别进行了4片相同的4层1∶3缩尺模型的短肢剪力墙结构非线性全过程试验研究。采用基于损伤能释放率的混凝土弹塑性损伤本构模型,针对两种类型的短肢剪力墙结构,进行了较为全面的非线性分析,给出了典型时刻整体结构的应力和损伤分布与演化过程。分析发现:随着结构逐渐进入非线性,刚度不断劣化,损伤程度不断增大,导致结构各个不同层次上的反应均出现了重分布现象。将分析结果与试验结果进行了对比,发现混凝土材料随机性导致结构反应具有显著变异性,模型的非线性分析结果仅能在均值意义上描述结构非线性行为。
Two types of short-leg shear walls were introduced through static tests on the same type of four four-story 1∶3 scaled shortleg shear wall specimens respectively.According to damage energy release ratebased elastoplastic damage constitutive model for concrete,nonlinear behavior of short-leg shear walls were investigated,moreover the structural stress and damage distribution and evolution process were discussed in detail.Results show that the stiffness deterioration and structure damage become notable with nonlinear development,which results in redistribution of responses at different hierarchy.By means of comparing the analytical to experimental results,it can be concluded that randomness from concrete materials causes variability of structural responses and the nonlinear analytical results may describe structural nonlinear behavior in mean responses.
Two types of short-leg shear walls were introduced through static tests on the same type of four four-story 1∶3 scaled shortleg shear wall specimens respectively.According to damage energy release ratebased elastoplastic damage constitutive model for concrete,nonlinear behavior of short-leg shear walls were investigated,moreover the structural stress and damage distribution and evolution process were discussed in detail.Results show that the stiffness deterioration and structure damage become notable with nonlinear development,which results in redistribution of responses at different hierarchy.By means of comparing the analytical to experimental results,it can be concluded that randomness from concrete materials causes variability of structural responses and the nonlinear analytical results may describe structural nonlinear behavior in mean responses.
引文
[1]容柏生.高层住宅建筑中的短肢剪力墙结构体系[J].建筑结构学报,1997,18(6):14-19.(RONGBaisheng.Short-leg shear wall structural system used intall residential buildings[J].Journal of BuildingStructures,1997,18(6):14-19.(in Chinese))
[2]张晋,吕志涛.短肢剪力墙-简体结构模型振动台试验研究[J].东南大学学报,2001,31(6):4-8.(ZHANG Jin,LUZhitao.Earthquake simulation test ofshort-leg shear wall-tube model[J].Journal ofSoutheast University,2001,31(6):4-8.(inChinese))
[3]赵斌,卢文胜,吕西林,等.超高层剪力墙(短肢剪力墙)-简体结构整体模型振动台试验研究[J].建筑结构学报,2004,25(3):14-21.(ZHAO Bin,LUWensheng,LUXilin,et al.Shaking table experimentalstudy of super-highrise building with shear wall(shortlimb shear wall)-tube structure system[J].Journal ofBuilding Structures,2004,25(3):14-21.(inChinese))
[4]周颖,吕西林,卢文胜.立面开大洞短肢剪力墙-简体结构的动力试验研究及有限元计算分析[J].建筑结构学报,2004,25(5):10-16.(ZHOU Ying,LU Xilin,LU Wensheng.Shaking table test and numericalanalysis of a complex short-length shear wall-tubebuilding structure with large openings in elevation[J].Journal of Building Structures,2004,25(5):10-16.(in Chinese))
[5]黄东升,程文瀼,彭飞.对称双肢短肢剪力墙的低周反复荷载试验研究[J].建筑结构学报,2005,26(3):51-56.(HUANG Dongsheng,CHENG Wenrang,PENGFei.Low-cycle loading experiment study on symmetricdouble short-pier shear walls[J].Journal of BuildingStructures,2005,26(3):51-56.(in Chinese))
[6]曹万林,张建伟,常卫华,等.带暗支撑双肢短肢剪力墙抗震性能试验研究[J].地震工程与工程振动,2006,26(1):64-70.(CAO Wanlin,ZHANG Jianwei,CHANG Weihua,et al.Experiment study on seismicbehavior of RC coupled short-pier shear wall withconcealed bracings[J].Earthquake Engineering andEngineering Vibration,2006,26(1):64-70.(inChinese))
[7]黄东升,程文瀼,彭飞.短肢剪力墙的弹塑性性能研究[J].东南大学学报,2003,33(2):164-167.(HUANG Dongsheng,CHENG Wenrang,PENG Fei.Study on elastoplastic performances of shear walls withshort piers[J].Journal of Southeast University 2003,33(2):164-167.(in Chinese))
[8]蔡全智,高湛,李华,等.短肢剪力墙低周反复试验及其ANSYS分析[J].武汉理工大学学报,2005,27(12):49-52.(CAI Quanzhi,GAO Zan,LI Hua,et al.Experiment of SLW under monotonic and cyclic reversedloading and its ANSYS analysis[J].Journal of WuhanUniversity of technology,2005,27(12):49-52.(inChinese))
[9]李奎明,孙春毅,李杰.高性能混凝土双连梁短肢剪力墙试验研究[J].地震工程与工程振动,2006,26(3):121-123.(LI Kuiming,SUN Chunyi,LI Jie.Experimental study on HPC short-leg shear wall with apair of beams[J].Earthquake Engineering andEngineering Vibration,2006,26(3):121-123.(inChinese))
[10]李杰,吴建营.混凝土弹塑性损伤本构模型研究I:基本公式[J].土木工程学报,2005,38(9):14-20.(LIJie,WU Jianying.Elastoplastic damage constitutivemodel for concrete based on damage energy releaserates,PartⅠ:Basic formulations[J].China CivilEngineering Journal,2005,38(9):14-20.(inChinese))
[11]吴建营,李杰.混凝土弹塑性损伤本构模型研究Ⅱ:数值计算和试验验证[J].土木工程学报,2005,38(9):21-27.(WU Jianying,LI Jie.Elastoplasticdamage constitutive model for concrete based on damageenergy release rates,PartⅡ:Numerical algorithm andverifications[J].China Civil Engineering Journal,2005,38(9):21-27.(in Chinese))
[12]Ju J W.On energy-based coupled elastoplastic damagetheories:Constitutive modeling and computationalaspects[J].International Journal of Solids Structures,1989,25(7):803-833.
[13]Simo J C,Ju J W.Strain and stress-based continuumdamage models-I:Formulation[J].International Jourmlof Solids Structures,1987,23(7):821-840.
[14]Faria R,Oliver J,Cervera M.A strain-based plasticviscous-damage model for massive concrete structures[J].International Journal of Solids Structures,1998,35(14):1533-1558.
[15]Zhu R R H,Hsu T T C,Lee J Y.Rational shearmodule for smeared-crack analysis of reinforced concrete[J].ACI Structural Journal,2001,98(4):443-450.
[16]ABAQUS Inc.ABAQUS Version 6.4 Documentation[M].ABAQUS Inc.,2004.
[17]Riks E.An incremental approach to the solution ofsnapping and bucking problems[J].InternationalJournal of Solids and Structures,1979,15:529-551.
[18]Crisfield M A.Snap-through and snap-back response inconcrete structures and the dangers of under-integration[J].International Journal for Numerical Methods inEngineering,1986,22:751-767.
[19]李杰.随机结构系统——分析与建模[M].北京:科学出版社,1996.(LI Jie.Random structuresystems——analysis and modeling[M].Beijing:Science Press,1996.(in Chinese))
[2]张晋,吕志涛.短肢剪力墙-简体结构模型振动台试验研究[J].东南大学学报,2001,31(6):4-8.(ZHANG Jin,LUZhitao.Earthquake simulation test ofshort-leg shear wall-tube model[J].Journal ofSoutheast University,2001,31(6):4-8.(inChinese))
[3]赵斌,卢文胜,吕西林,等.超高层剪力墙(短肢剪力墙)-简体结构整体模型振动台试验研究[J].建筑结构学报,2004,25(3):14-21.(ZHAO Bin,LUWensheng,LUXilin,et al.Shaking table experimentalstudy of super-highrise building with shear wall(shortlimb shear wall)-tube structure system[J].Journal ofBuilding Structures,2004,25(3):14-21.(inChinese))
[4]周颖,吕西林,卢文胜.立面开大洞短肢剪力墙-简体结构的动力试验研究及有限元计算分析[J].建筑结构学报,2004,25(5):10-16.(ZHOU Ying,LU Xilin,LU Wensheng.Shaking table test and numericalanalysis of a complex short-length shear wall-tubebuilding structure with large openings in elevation[J].Journal of Building Structures,2004,25(5):10-16.(in Chinese))
[5]黄东升,程文瀼,彭飞.对称双肢短肢剪力墙的低周反复荷载试验研究[J].建筑结构学报,2005,26(3):51-56.(HUANG Dongsheng,CHENG Wenrang,PENGFei.Low-cycle loading experiment study on symmetricdouble short-pier shear walls[J].Journal of BuildingStructures,2005,26(3):51-56.(in Chinese))
[6]曹万林,张建伟,常卫华,等.带暗支撑双肢短肢剪力墙抗震性能试验研究[J].地震工程与工程振动,2006,26(1):64-70.(CAO Wanlin,ZHANG Jianwei,CHANG Weihua,et al.Experiment study on seismicbehavior of RC coupled short-pier shear wall withconcealed bracings[J].Earthquake Engineering andEngineering Vibration,2006,26(1):64-70.(inChinese))
[7]黄东升,程文瀼,彭飞.短肢剪力墙的弹塑性性能研究[J].东南大学学报,2003,33(2):164-167.(HUANG Dongsheng,CHENG Wenrang,PENG Fei.Study on elastoplastic performances of shear walls withshort piers[J].Journal of Southeast University 2003,33(2):164-167.(in Chinese))
[8]蔡全智,高湛,李华,等.短肢剪力墙低周反复试验及其ANSYS分析[J].武汉理工大学学报,2005,27(12):49-52.(CAI Quanzhi,GAO Zan,LI Hua,et al.Experiment of SLW under monotonic and cyclic reversedloading and its ANSYS analysis[J].Journal of WuhanUniversity of technology,2005,27(12):49-52.(inChinese))
[9]李奎明,孙春毅,李杰.高性能混凝土双连梁短肢剪力墙试验研究[J].地震工程与工程振动,2006,26(3):121-123.(LI Kuiming,SUN Chunyi,LI Jie.Experimental study on HPC short-leg shear wall with apair of beams[J].Earthquake Engineering andEngineering Vibration,2006,26(3):121-123.(inChinese))
[10]李杰,吴建营.混凝土弹塑性损伤本构模型研究I:基本公式[J].土木工程学报,2005,38(9):14-20.(LIJie,WU Jianying.Elastoplastic damage constitutivemodel for concrete based on damage energy releaserates,PartⅠ:Basic formulations[J].China CivilEngineering Journal,2005,38(9):14-20.(inChinese))
[11]吴建营,李杰.混凝土弹塑性损伤本构模型研究Ⅱ:数值计算和试验验证[J].土木工程学报,2005,38(9):21-27.(WU Jianying,LI Jie.Elastoplasticdamage constitutive model for concrete based on damageenergy release rates,PartⅡ:Numerical algorithm andverifications[J].China Civil Engineering Journal,2005,38(9):21-27.(in Chinese))
[12]Ju J W.On energy-based coupled elastoplastic damagetheories:Constitutive modeling and computationalaspects[J].International Journal of Solids Structures,1989,25(7):803-833.
[13]Simo J C,Ju J W.Strain and stress-based continuumdamage models-I:Formulation[J].International Jourmlof Solids Structures,1987,23(7):821-840.
[14]Faria R,Oliver J,Cervera M.A strain-based plasticviscous-damage model for massive concrete structures[J].International Journal of Solids Structures,1998,35(14):1533-1558.
[15]Zhu R R H,Hsu T T C,Lee J Y.Rational shearmodule for smeared-crack analysis of reinforced concrete[J].ACI Structural Journal,2001,98(4):443-450.
[16]ABAQUS Inc.ABAQUS Version 6.4 Documentation[M].ABAQUS Inc.,2004.
[17]Riks E.An incremental approach to the solution ofsnapping and bucking problems[J].InternationalJournal of Solids and Structures,1979,15:529-551.
[18]Crisfield M A.Snap-through and snap-back response inconcrete structures and the dangers of under-integration[J].International Journal for Numerical Methods inEngineering,1986,22:751-767.
[19]李杰.随机结构系统——分析与建模[M].北京:科学出版社,1996.(LI Jie.Random structuresystems——analysis and modeling[M].Beijing:Science Press,1996.(in Chinese))
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