3·11大地震中减隔震装置的破坏及性能探讨
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摘要
减隔震结构在日本的应用已较为成熟,2011年东日本大地震后,通过震后调查发现减隔震建筑整体表现卓越,有效地保护了生命及财产安全,达到了预期的设计目标。但也发现减隔震建筑有亟待改进之处,如需要进行多目标设计和极限状态设计,以便在各种工况下均能发挥作用,同时也应该在减少残余变形和减少竖向地震动响应等方面予以考虑。对东日本大地震中减隔震建筑的性能表现进行探讨,得到的一些经验和借鉴,有利于未来减隔震结构的发展。
Investigation of the performance of seismic energy dissipation structures in the Great East Japan Earthquake can be helpful for future development of the energy dissipation structure. Based on field investigation,energy dissipation structure had shown remarkable performance in safeguarding lives and properties during extremely intensive earthquake,reaching expected design objective. However,it is also necessary to make improvements in the energy dissipation structure. For example,multi-level multi-objective design and ultimate state design are needed so as to make the structure more effective in various cases.Meanwhile,reductions in residual deformation of energy dissipation element and in vertical earthquake response should also be taken into consideration.
Investigation of the performance of seismic energy dissipation structures in the Great East Japan Earthquake can be helpful for future development of the energy dissipation structure. Based on field investigation,energy dissipation structure had shown remarkable performance in safeguarding lives and properties during extremely intensive earthquake,reaching expected design objective. However,it is also necessary to make improvements in the energy dissipation structure. For example,multi-level multi-objective design and ultimate state design are needed so as to make the structure more effective in various cases.Meanwhile,reductions in residual deformation of energy dissipation element and in vertical earthquake response should also be taken into consideration.
引文
[1]北嶋圭二,波田雅也,大家貴徳.摩擦ダンパーによる制震補強建物の被災状況と強震観測記録について[C].日本建築学会大会学術講演梗概集,東海,2012:57-60.Kitajima K,Namita M,Takanori O.Earthquake damage and strong motion records of building retrofitted by friction damper[C].Conference of Architectural Institute of Japan,Tokai,2012:57-60.(in Japanese)
[2]高瀬裕也,池田隆明,鈴木武志,等.増幅機構付制震装置で耐震補強された10階建高層住宅建築物の補強効果に関する考察[J].日本建築学会技術報告集,2012,39(18):535-540.Takase Y,Ikeda T,Suzumura T,et al.Consideration of seismic retrofitting effect of 10-story residential building retrofitted using damping system with amplifier mechanism[J].AIJ Journal of Technology,2012,39(18):535-540.(in Japanese)
[3]茶谷友輔,笠井和彦,土橋徹,等.東京同地区内にある先端構造建物群の東日本大震災における応答記録の分析.その1,全体概要およびグリーンマスダンパーをもつ制震建物の場合[C].日本建築学会大会学術講演梗概集,札幌,2013:603-604.Chaya Y,Kasai K,Tsuchihashi T,et al.Analysis of response records from advanced protected buildings in a district of Tokyo Shaken by the 2011 Tohoku Earthquake.Part 1,general overview and a case of building with green mass damper[C].Conference of Architectural Institute of Japan,Sapporo,2013:603-604.(in Japanese)
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[5]土橋徹,笠井和彦,茶谷友輔,等.東京同地区内にある先端構造建物群の東日本大震災における応答記録の分析.その3,3棟の制震建物の場合[C].日本建築学会大会学術講演梗概集,札幌,2013:607-608.Tsuchihashi T,Kasai K,Chaya Y,et al.Analysis of response records from advanced protected buildings in a district of Tokyo shaken by the 2011 Tohoku Earthquake.part 3,three cases of response controlled buildings[C].Conference of Architectural Institute of Japan,Sapporo,2013:607-608.(in Japanese)
[6]Nakamura Y,Hanzawa T,Hasebe M,et al.Report on the effects of seismic isolation methods from the 2011Tohoku-pacific Earthquake[J].The Journal of the Anti-seismic Systems International Society(ASSISI),2011,1(2).(in Japanese)
[7]Japan Society of Seismic Isolation(JSSI).Report of response-controlled buildings[R].Japan Socienty of Seismic Isolation(JSSI)Investigation Committee,Tokyo,Japan,2012.(in Japanese)
[8]Cao M,Tang H,Funaki N,et al.Study on a real 8F steel building with oil damper damaged during the2011 Great East Japan Earthquake[C].15th World Conference on Earthquake Engineering,Lisbon,Portugal,2012.
[2]高瀬裕也,池田隆明,鈴木武志,等.増幅機構付制震装置で耐震補強された10階建高層住宅建築物の補強効果に関する考察[J].日本建築学会技術報告集,2012,39(18):535-540.Takase Y,Ikeda T,Suzumura T,et al.Consideration of seismic retrofitting effect of 10-story residential building retrofitted using damping system with amplifier mechanism[J].AIJ Journal of Technology,2012,39(18):535-540.(in Japanese)
[3]茶谷友輔,笠井和彦,土橋徹,等.東京同地区内にある先端構造建物群の東日本大震災における応答記録の分析.その1,全体概要およびグリーンマスダンパーをもつ制震建物の場合[C].日本建築学会大会学術講演梗概集,札幌,2013:603-604.Chaya Y,Kasai K,Tsuchihashi T,et al.Analysis of response records from advanced protected buildings in a district of Tokyo Shaken by the 2011 Tohoku Earthquake.Part 1,general overview and a case of building with green mass damper[C].Conference of Architectural Institute of Japan,Sapporo,2013:603-604.(in Japanese)
[4]長谷川圭太,笠井和彦,土橋徹,等.東京同地区内にある先端構造建物群の東日本大震災における応答記録の分析.その2,2棟の免震建物の場合[C].日本建築学会大会学術講演梗概集,札幌:2013:605-606.Hasegawa K,Kasai K,Tsuchihashi T,et al.Analysis of response records from advanced protected buildings in a district of Tokyo shaken by the 2011 Tohoku Earthquake.part 2,two cases of base isolated buildings[C].Conference of Architectural Institute of Japan,Sapporo,2013:605-606.(in Japanese)
[5]土橋徹,笠井和彦,茶谷友輔,等.東京同地区内にある先端構造建物群の東日本大震災における応答記録の分析.その3,3棟の制震建物の場合[C].日本建築学会大会学術講演梗概集,札幌,2013:607-608.Tsuchihashi T,Kasai K,Chaya Y,et al.Analysis of response records from advanced protected buildings in a district of Tokyo shaken by the 2011 Tohoku Earthquake.part 3,three cases of response controlled buildings[C].Conference of Architectural Institute of Japan,Sapporo,2013:607-608.(in Japanese)
[6]Nakamura Y,Hanzawa T,Hasebe M,et al.Report on the effects of seismic isolation methods from the 2011Tohoku-pacific Earthquake[J].The Journal of the Anti-seismic Systems International Society(ASSISI),2011,1(2).(in Japanese)
[7]Japan Society of Seismic Isolation(JSSI).Report of response-controlled buildings[R].Japan Socienty of Seismic Isolation(JSSI)Investigation Committee,Tokyo,Japan,2012.(in Japanese)
[8]Cao M,Tang H,Funaki N,et al.Study on a real 8F steel building with oil damper damaged during the2011 Great East Japan Earthquake[C].15th World Conference on Earthquake Engineering,Lisbon,Portugal,2012.
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