Torsional effect of space structure in frequent earthquakes
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摘要
Taking a concrete frame supporting space structure as the research object,we systematically studied its lateral-torsion coupling effect of reverse problems in consistent earthquake excitation.Firstly,based on its reverse forms and features,we put forward a mechanical analysis model(flexibility layer model) and a calculation method using the response spectrum method and the weighted average method,and verified their validity and feasibility using case analysis.The result shows that the translation displacement change trend of the space structure is basically the same whether reverse exists in the supporting structure or not,but the supporting structure torsion has an effect on the displacement with a relative increase of 10%.
Taking a concrete frame supporting space structure as the research object,we systematically studied its lateral-torsion coupling effect of reverse problems in consistent earthquake excitation.Firstly,based on its reverse forms and features,we put forward a mechanical analysis model(flexibility layer model) and a calculation method using the response spectrum method and the weighted average method,and verified their validity and feasibility using case analysis.The result shows that the translation displacement change trend of the space structure is basically the same whether reverse exists in the supporting structure or not,but the supporting structure torsion has an effect on the displacement with a relative increase of 10%.
Taking a concrete frame supporting space structure as the research object,we systematically studied its lateral-torsion coupling effect of reverse problems in consistent earthquake excitation.Firstly,based on its reverse forms and features,we put forward a mechanical analysis model(flexibility layer model) and a calculation method using the response spectrum method and the weighted average method,and verified their validity and feasibility using case analysis.The result shows that the translation displacement change trend of the space structure is basically the same whether reverse exists in the supporting structure or not,but the supporting structure torsion has an effect on the displacement with a relative increase of 10%.
引文
[1] Shen PS,Meng HL,Liu Y. Calculation of torsion performance of tall building structures based on torsion stiffness of elements [J]. Journal of Railway Science and Engineering [ISSN 1672-702],2006,2(3):21-25.
[2] Dimov SL,Alashki L. Seismic design of symmetric structures for accidental torsion [J]. Bulletin of Earthquake Engineering [ISSN 1006-6578],2003(1):303-320.
[3] He XY,Li HN. Seismic response analysis of an asymmetric structure considering different eccentricity forms [J]. World Earthquake Engineering [ISSN 1007- 6069],2008,24(3):36-44. (In Chinese). 何晓宇,李宏男.偏心形式对偏心结构扭转耦联地震 响应的影响[J].世界地震工程[ISSN 1007-6069],2008,24(3):36-44.
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[7] De la llera JC,Almazan JL,Vial IJ. Torsional balance of plan-asymmetric structures with frictional dampers:analytical results [J]. Earthquake Engineering and Structural Dynamics,2005,34(9):1089-1108.
[8] Goel RK. Seismic response of linear and non-linear asymmetric systems with non-linear fluid viscous dampers [J]. Earthquake Engineering and Structural Dynamics [ISSN 0098-8847],2005,(34):825-846.
[9] China Academy of Building Research. GB50011-2001 Code for seismic design of buildings [S]. Beijing:China Architecture and Building Press,2008. (In Chinese). 中国建筑科学研究院.GB50011-2001建筑抗震设计 规范[S].北京:中国建筑工业出版社,2008.
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[11] Wang ST. Brief discussion on new classification for spatial structures [J]. Spatial Structures [ISSN 1006- 6578],2008,14(3):13-21. (In Chinese). 王什统.简论空间结构新分类[J].空间结构[ISSN 1006-6578],2008,14(3):13-21.
[12] Wang XL. Long-span space steel structure analysis and design concepts [M]. Beijing:Mechanical Industry Press,2008. (In Chinese). 王秀丽.大跨度空间钢结构分析与概念设计[M].北京:机械工业出版社,2008.
[13] Shen SZ. Space structures and Olympic gymnasiums [J]. Engineering Sciences [ISSN 1009-1742],2008,10(8):12-21. (In Chinese). 沈世釗.现代空问结构与奥运场馆建设[J].中国工程 科学[ISSN 1009-1742],2008,10(8):12-21.
[14] Tian YJ,Yang QS. Analysis models and methods for structural seismic responses [J]. Engineering Mechanics [ISSN 1000-4750],2005,22(5):170-174. (In Chinese). 田玉基,杨庆山.地震地面运动作用下结构反应的分 析模型[J].工程力学[ISSN 1000-4750],2005,22(5):170-174.
[15] Lou ML,Li Q. Discussion on seismic excitation of structural system [J]. World Earthquake Engineering [ISSN 1007-6069]. 2008,24(2):21-25. (In Chinese). 楼梦麟,李强.关于结构系统地震输入模式问题的讨论[J].世界地震工程[ISSN 1007-6069].2008.24(2):21- 25.
[16] Cao Z,Xue SD. Seismic analysis and design of spatial structures [M]. Beijing:Science Press,2005. (In Chinese). 曹资,薛素铎.空间结构抗震理论与设计[M].北京:科 学出版社,2005.
[17] Zhang YH,Li LY,Chen Y,et al. Wave passage effect on random seismic response of long-span structures [J]. Journal of Dalian University of Technology [ISSN 1000-8608],2005,45(4):480-486. (In Chinese). 张亚辉,李丽媛,陈艳,等.大跨度结构地震行波效应研 究[J].大连理工大学学报[ISSN 1000-8608],2005,45(4):480-486.
[18] Quan W,Li HN. State-of-the-art review on multi- component multi-support seismic response analysis of long-span structures [J]. Journal of Disaster Prevention and Mitigation Engineering [ISSN 1672-2132],2006,26(3):333-349. (In Chinese). 全伟,李宏男.大跨结构多维多点输入抗震研究进展 [J].防灾减灾工程学报[ISSN 1672-2132],2006,26(3):333-349.
[19] Ke ST,Zhang LX,Zhao L,etc. Research on multi- point input seismic response of spherical reticulated shell [J]. Journal of Shandong University,2009,24(3):198-202. 柯世堂,张令心,赵林,等.多点输入下球面网壳结构地 震响应研究[J].山东建筑大学学报,2009,24(3):198- 202.
[20] Li XZ,Lin W,Ding Y. Influence of wave passage effect on seismic responses of long-span spatial lattice structures [J]. Journal of Tianjin University [ISSN 0493-2137],2007,40(1):1-8. (In Chinese). 李忠献,林伟,丁阳.行波效应对大跨度空间网格结构 地震响应的影响[J].天津大学学报[ISSN 0493-2137], 2007,40(1):1-8.
[21] Cao Z,Xue SD,Wang XS,et al. Selection of earthquake waves and values of damping ratio for space structures in seismic analysis [J]. Spatial Structures [ISSN 1006-6578],2008,14(3):3-8. (In Chinese). 曹资,薛素铎,王雪生,等.空间结构抗震分析中的地震 波选取与阻尼比取值[J].空间结构[ISSN 1006-6578], 2008,14(3):3-8.
[2] Dimov SL,Alashki L. Seismic design of symmetric structures for accidental torsion [J]. Bulletin of Earthquake Engineering [ISSN 1006-6578],2003(1):303-320.
[3] He XY,Li HN. Seismic response analysis of an asymmetric structure considering different eccentricity forms [J]. World Earthquake Engineering [ISSN 1007- 6069],2008,24(3):36-44. (In Chinese). 何晓宇,李宏男.偏心形式对偏心结构扭转耦联地震 响应的影响[J].世界地震工程[ISSN 1007-6069],2008,24(3):36-44.
[4] Li HN. Structure theory of multidimensional seismic [M]. Beijing:Science Press,2006. (In Chinese). 李宏男.结构多维抗震理论[M].北京:科学出版社, 2006.
[5] Xu PF,Huang JF,Wei CJ. Control of torsional response of tall building structures [J]. China Civil Engineering Journal [ISSN 1000-131X],2006,39(7):1-8. (In Chinese). 徐培福,黄吉锋,韦承基.高层建筑结构的扭转反应控 制[J].土木工程学报[ISSN 1000-131X],2006,39(7):1-8.
[6] Cai J,Pan DH,Huang YS. Research on torsional vibration control of tall building structures [J]. Engineering Mechanics [ISSN 1000-4750],2007,24(7):116-121. (In Chinese). 蔡健,潘东辉,黄炎生.高层建筑结构扭转振动效应控 制研究[J].工程力学[ISSN 1000-4750],2007,24(7):116-121.
[7] De la llera JC,Almazan JL,Vial IJ. Torsional balance of plan-asymmetric structures with frictional dampers:analytical results [J]. Earthquake Engineering and Structural Dynamics,2005,34(9):1089-1108.
[8] Goel RK. Seismic response of linear and non-linear asymmetric systems with non-linear fluid viscous dampers [J]. Earthquake Engineering and Structural Dynamics [ISSN 0098-8847],2005,(34):825-846.
[9] China Academy of Building Research. GB50011-2001 Code for seismic design of buildings [S]. Beijing:China Architecture and Building Press,2008. (In Chinese). 中国建筑科学研究院.GB50011-2001建筑抗震设计 规范[S].北京:中国建筑工业出版社,2008.
[10] Han J,Li YM. A comparison and analysis of terms on torsional control and seismic design from different codes [J]. Journal of Xi’an University of Architecture & Technology:Natural Science Edition [ISSN 1006- 7930],2008,40(1):25-32. (In Chinese). 韩军,李英民.抗震结构扭转控制及设计方法的国内 外规范对比分析[J].西安建筑科技大学学报:自然科 学版[ISSN 1006-7930],2008,40(1):25-32.
[11] Wang ST. Brief discussion on new classification for spatial structures [J]. Spatial Structures [ISSN 1006- 6578],2008,14(3):13-21. (In Chinese). 王什统.简论空间结构新分类[J].空间结构[ISSN 1006-6578],2008,14(3):13-21.
[12] Wang XL. Long-span space steel structure analysis and design concepts [M]. Beijing:Mechanical Industry Press,2008. (In Chinese). 王秀丽.大跨度空间钢结构分析与概念设计[M].北京:机械工业出版社,2008.
[13] Shen SZ. Space structures and Olympic gymnasiums [J]. Engineering Sciences [ISSN 1009-1742],2008,10(8):12-21. (In Chinese). 沈世釗.现代空问结构与奥运场馆建设[J].中国工程 科学[ISSN 1009-1742],2008,10(8):12-21.
[14] Tian YJ,Yang QS. Analysis models and methods for structural seismic responses [J]. Engineering Mechanics [ISSN 1000-4750],2005,22(5):170-174. (In Chinese). 田玉基,杨庆山.地震地面运动作用下结构反应的分 析模型[J].工程力学[ISSN 1000-4750],2005,22(5):170-174.
[15] Lou ML,Li Q. Discussion on seismic excitation of structural system [J]. World Earthquake Engineering [ISSN 1007-6069]. 2008,24(2):21-25. (In Chinese). 楼梦麟,李强.关于结构系统地震输入模式问题的讨论[J].世界地震工程[ISSN 1007-6069].2008.24(2):21- 25.
[16] Cao Z,Xue SD. Seismic analysis and design of spatial structures [M]. Beijing:Science Press,2005. (In Chinese). 曹资,薛素铎.空间结构抗震理论与设计[M].北京:科 学出版社,2005.
[17] Zhang YH,Li LY,Chen Y,et al. Wave passage effect on random seismic response of long-span structures [J]. Journal of Dalian University of Technology [ISSN 1000-8608],2005,45(4):480-486. (In Chinese). 张亚辉,李丽媛,陈艳,等.大跨度结构地震行波效应研 究[J].大连理工大学学报[ISSN 1000-8608],2005,45(4):480-486.
[18] Quan W,Li HN. State-of-the-art review on multi- component multi-support seismic response analysis of long-span structures [J]. Journal of Disaster Prevention and Mitigation Engineering [ISSN 1672-2132],2006,26(3):333-349. (In Chinese). 全伟,李宏男.大跨结构多维多点输入抗震研究进展 [J].防灾减灾工程学报[ISSN 1672-2132],2006,26(3):333-349.
[19] Ke ST,Zhang LX,Zhao L,etc. Research on multi- point input seismic response of spherical reticulated shell [J]. Journal of Shandong University,2009,24(3):198-202. 柯世堂,张令心,赵林,等.多点输入下球面网壳结构地 震响应研究[J].山东建筑大学学报,2009,24(3):198- 202.
[20] Li XZ,Lin W,Ding Y. Influence of wave passage effect on seismic responses of long-span spatial lattice structures [J]. Journal of Tianjin University [ISSN 0493-2137],2007,40(1):1-8. (In Chinese). 李忠献,林伟,丁阳.行波效应对大跨度空间网格结构 地震响应的影响[J].天津大学学报[ISSN 0493-2137], 2007,40(1):1-8.
[21] Cao Z,Xue SD,Wang XS,et al. Selection of earthquake waves and values of damping ratio for space structures in seismic analysis [J]. Spatial Structures [ISSN 1006-6578],2008,14(3):3-8. (In Chinese). 曹资,薛素铎,王雪生,等.空间结构抗震分析中的地震 波选取与阻尼比取值[J].空间结构[ISSN 1006-6578], 2008,14(3):3-8.
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