日本地震中钢筋混凝土框架结构震害及分析
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摘要
针对白河市、须贺川市、仙台市、郡山市、福岛市等地震灾区的钢筋混凝土框架结构房屋的震害资料,分别从结构的整体破坏、梁柱构件的破坏、填充墙的破坏以及相邻建筑物碰撞等方面介绍了日本地震中钢筋混凝土框架结构典型的震害现象,震害现象表明,破坏主要集中于非结构构件的破坏。根据此次地震的震害特点,从柱铰机制、刚度突变等方面初步分析了钢筋混凝土框架结构破坏的主要原因。在此基础上,提出了若干条改善框架结构房屋抗震性能的建议,以便减轻框架结构的震害,为今后框架结构的设计和施工提供参考。
The typical seismic damage phenomenon of the reinforced concrete structures are introduced after the Japanese earthquake separately from some aspects which consisted of the integral structure damage,beam-column component damage,infilled wall's destruction,neighboring building collision and so on,in view of the seismic damage material of the reinforced concrete structures which come from Shirakawa City,Sukagawa City,Sendai City,Kooriyama City and Fukushima City,and the seismic damage phenomenon indicates that the destruction mainly concentrated in the non-structural unit.According to the characteristic of the seismic damage,the primary reason of the destruction from column hinge mechanism、sudden change of rigidity and so on is analyzed.On this basis,certain proposals about improving the seismic performance of the frame structures are put forward,in order to reduce the seismic damage and provide reference for the present design and construction.
The typical seismic damage phenomenon of the reinforced concrete structures are introduced after the Japanese earthquake separately from some aspects which consisted of the integral structure damage,beam-column component damage,infilled wall's destruction,neighboring building collision and so on,in view of the seismic damage material of the reinforced concrete structures which come from Shirakawa City,Sukagawa City,Sendai City,Kooriyama City and Fukushima City,and the seismic damage phenomenon indicates that the destruction mainly concentrated in the non-structural unit.According to the characteristic of the seismic damage,the primary reason of the destruction from column hinge mechanism、sudden change of rigidity and so on is analyzed.On this basis,certain proposals about improving the seismic performance of the frame structures are put forward,in order to reduce the seismic damage and provide reference for the present design and construction.
引文
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[2]Land Infrastructure and Transport Technology PolicyResearch Institute.The Investigation about SeismicDamage of Building in the Japanese earthquake[EB/OL],2011,http://www.kenken.go.jp/japanese/contents/topics/20110311/20110311saigai-002.pdf
[3]李山有,戴君武,温瑞智,等.日本9.0级地震对我国防震减灾工作的启示[EB/OL],2011,http://wenku.baidu.com/view/6adf86d87f1922791688e8c3.html,2011(in Chinese)Li Shan-you,Dai Jun-wu,Wen Rui-zhi,et al.Enlightenment of Earthquake Disaster Reduction onJapanese Earthquake[EB/OL],2011,http://wenku.baidu.com/view/6adf86d87f1922791688e8c3.html
[4]Administrative Legal Person Independent ResearchInstitute.The Investigation about Seismic Damage ofBuilding in the Japanese Earthquake[EB/OL],2011,http://www.kenken.go.jp/japanese/contents/topics/20110311/20110311saigai-003.pdf
[5]杨春田.日本阪神地震多层建筑中间层塌落的震害分析[J].建筑结构,1999,15(9):41～43(inChinese)Yang Chun-tian.Analysis of the Collaps of IntermediateFloor Type after Earthquake in Kobe City[J].BuildingStructure,1999,15(9):41～43
[6]温增平,徐超,陆鸣,等.汶川地震重灾区典型钢筋混凝土框架结构震害现象[J].北京工业大学学报,2009,35(6):754～756(in Chinese)Wen Zen-ping,Xu Chao,Lu Ming,et al.DamageFeatures of RC Frame Structures in WenchuanEarthquake[J].Journal of Beijing University ofTechnology,2009,35(6):754～756
[7]安雪晖,何世钦,小原孝之.日本抗震规范变迁与震害调查启示[A].汶川地震建筑震害调查与灾后重建分析报告[C].北京,2008:580～584(in Chinese)An Xue-hui,He Shi-qing,Takayuki Ohara.Changes inJapanese Seismic Code and the Inspiration of SeismicDamage Investigation[A].Analysis Report SeismicDamage Investigation of Building after Wen ChuanEarthquake and Reconstruction[C].Beijing,2008:580～584
[8]孙维利,郑修慷.轻质绿色建材—ALC板[J].工业建筑,2001,31(8):11～13(in Chinese)Sun Wei-li,Zheng Xiu-kang.Green Building Materials—Autoclaved Lightweight Concrete Panels[J].Industrial Construction,2001,31(8):11～13
[9]李国强,李杰,苏小卒.建筑结构抗震设计[M].北京:中国建筑工业出版社,2002(in Chinese)Li Guo-qiang,Li Jie,Su Xiao-zhu.Building StructureSeismic Design[M].Beijing:China Architecture&Building Press,2002
[10]易方民,高小旺,苏经宇.建筑抗震设计规范理解与应用[M].北京:中国建筑工业出版社,2011(inChinese)Yi Fang-min,Gao Xiao-wang,Su Jing-yu.Understanding and Application of Code for SeismicDesign of Buildings[M].Beijing:China Architecture&Building Press,2011
[11]龟田弘行,陈宏德.日本的地震工程学[J].国际地震动态,1985(5):25～27Hiroyuki Kameda,Cheng Hong-de.EarthquakeEngineering in Japan[J].Recent Developments inWorld Seismology,1985(5):25～27
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