结构超强的研究现状
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摘要
对结构超强进行了大量研究,结果表明多自由度体系在地震作用下存在明显超强,根据其研究成果和震害经验的总结,得出国外不少抗震设计规范对结构类型和超静定次数的不同考虑了不同程度的超强,而我国在这方面的研究成果相对较少,规范也未对此做出相关规定的结论。
The article have studied comprehensively on overstrength of structure,it is found that MDOF systems have obvious overstrength under earthquake.According to their research results and summary on the experience of earthquake damage,many foreign seismic codes have take into account overstrength factor varied with structure type and the degree of statical indeterminacy.However,there is only a small quantity of correlative research results in our country,and seismic code is not into account overstrength.
The article have studied comprehensively on overstrength of structure,it is found that MDOF systems have obvious overstrength under earthquake.According to their research results and summary on the experience of earthquake damage,many foreign seismic codes have take into account overstrength factor varied with structure type and the degree of statical indeterminacy.However,there is only a small quantity of correlative research results in our country,and seismic code is not into account overstrength.
引文
[1]韦锋,李刚强,白绍良.各国设计规范对基准设防地震和结构超强的考虑[J].重庆大学学报,2007,30(6):102-108.
[2]GB 50011-2001,建筑抗震设计规范[S].
[3]CECS 160∶2004,建筑工程抗震性态设计通则(试用)[S].
[4]A.S.Elnashai,A.M.Mwafy.Overstrength and Force Reduc-tion Factors of Multistory Reinforced-concrete Buildings[J].The Structural Design of Tall Buildings,2002(11):329-351.
[5]R.Park.Explicit Incorporation Element and Structure Overstrengthin the Design Process[C].Proc.11th WCEE.IAEE.Acapulco.Mexico,1996:2130.
[6]D.Mitchell,P.Paultre.Ductility and Overstrength in SeismicDesign of Reinforced Concrete structures[J].Canadian Journalof Civil Engineering,1994(21):1049-1060.
[7]A.M.Mwafy,A.S.Elnashai.Static Pushover Versus DynamicCollapse Analysis of RC Buildings[J].Engineering Structures,2001(23):407-424.
[8]李刚强.抗震设计的R—μ基本准则及钢筋混凝土典型框架结构超强特征分析[D].重庆:重庆大学硕士学位论文,2006.
[9]刘兰花.多自由度体系R—μ规律初步分析及超静定次数对结构超强的影响[D].重庆:重庆大学硕士学位论文,2007.
[10]翟长海,谢礼力.钢筋混凝土结构超强研究[J].建筑结构学报,2007,28(1):101-106.
[11]C.M.Uang.Establishing R(or Rw)and Cd Factors for Build-ings Seismic Provisions[J].Journal of Structural Engineering,1991,117(1):19-28.
[12]M.Fischinger,P.Fajfar,T.Vidic.Factors Contributing to theResponse Reduction[C].5th US NCEE.Chicago,1994:97-106.
[13]S.K Jain,N.Navin.Seismic Overstrength in Reinforced Con-crete Frames[J].Journal of Structural Engineering,1995,121(3):580-585.
[14]J.L.Hmar,M.A.Ragozar.Concept of Overstrength in Seis-mic Design[C].Proc.11th WCEE.IAEE.Acapulco.Mexico,1996:639.
[15]A.Massumi,A.A.Tasnimi,M.Saatcioglu.Prediction of Seis-mic Overstrength in Concrete Moment Resisting Frames Us-ing Incremental Static and Dynamic Analysis[C].Proc.13thWCEE.IAEE.Vancouver.Canada,2004:2826.
[16]Fib(CEB-FIP).控制非弹性反应的钢筋混凝土结构抗震设计(设计原理)[D].白绍良,译.重庆:重庆大学土木工程学院,2003.
[17]E.Miranda,V.V.Bertero.Evaluation of Strength ReductionFactor for Earthquake-resistance Design[J].Earthquake Spec-tra,1994,10(2):357-379.
[2]GB 50011-2001,建筑抗震设计规范[S].
[3]CECS 160∶2004,建筑工程抗震性态设计通则(试用)[S].
[4]A.S.Elnashai,A.M.Mwafy.Overstrength and Force Reduc-tion Factors of Multistory Reinforced-concrete Buildings[J].The Structural Design of Tall Buildings,2002(11):329-351.
[5]R.Park.Explicit Incorporation Element and Structure Overstrengthin the Design Process[C].Proc.11th WCEE.IAEE.Acapulco.Mexico,1996:2130.
[6]D.Mitchell,P.Paultre.Ductility and Overstrength in SeismicDesign of Reinforced Concrete structures[J].Canadian Journalof Civil Engineering,1994(21):1049-1060.
[7]A.M.Mwafy,A.S.Elnashai.Static Pushover Versus DynamicCollapse Analysis of RC Buildings[J].Engineering Structures,2001(23):407-424.
[8]李刚强.抗震设计的R—μ基本准则及钢筋混凝土典型框架结构超强特征分析[D].重庆:重庆大学硕士学位论文,2006.
[9]刘兰花.多自由度体系R—μ规律初步分析及超静定次数对结构超强的影响[D].重庆:重庆大学硕士学位论文,2007.
[10]翟长海,谢礼力.钢筋混凝土结构超强研究[J].建筑结构学报,2007,28(1):101-106.
[11]C.M.Uang.Establishing R(or Rw)and Cd Factors for Build-ings Seismic Provisions[J].Journal of Structural Engineering,1991,117(1):19-28.
[12]M.Fischinger,P.Fajfar,T.Vidic.Factors Contributing to theResponse Reduction[C].5th US NCEE.Chicago,1994:97-106.
[13]S.K Jain,N.Navin.Seismic Overstrength in Reinforced Con-crete Frames[J].Journal of Structural Engineering,1995,121(3):580-585.
[14]J.L.Hmar,M.A.Ragozar.Concept of Overstrength in Seis-mic Design[C].Proc.11th WCEE.IAEE.Acapulco.Mexico,1996:639.
[15]A.Massumi,A.A.Tasnimi,M.Saatcioglu.Prediction of Seis-mic Overstrength in Concrete Moment Resisting Frames Us-ing Incremental Static and Dynamic Analysis[C].Proc.13thWCEE.IAEE.Vancouver.Canada,2004:2826.
[16]Fib(CEB-FIP).控制非弹性反应的钢筋混凝土结构抗震设计(设计原理)[D].白绍良,译.重庆:重庆大学土木工程学院,2003.
[17]E.Miranda,V.V.Bertero.Evaluation of Strength ReductionFactor for Earthquake-resistance Design[J].Earthquake Spec-tra,1994,10(2):357-379.
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