【作者】 张峦；

【导师】 刘书贤；

【作者基本信息】 辽宁工程技术大学 ， 岩土工程， 2006， 硕士

【摘要】 对于多层多跨预应力混凝土结构，由于其跨度较大，多数情况下截面配筋由竖向荷载控制，因此若沿用钢筋混凝土结构的抗震设计方法并不能使结构发挥最佳的抗震能力。为了准确的对多层多跨预应力混凝土结构进行地震反应分析，我们可以应用静力弹塑性分析(Push．over)方法对结构进行抗侧能力分析，对关键单元或重要构件的变形作近似估计，发现设计中潜在的不利因素(如强度或刚度突变等)，找到结构可能发生大变形的部位以及评价结构的整体稳定性等。 本文首先论述了混凝土框架结构的出铰机制和弹塑性分析方法，并详细介绍了push-over分析的原理和过程；接着选取了东南大学的预应力复式框架抗震试验，然后用有限元分析程序SAP2000对试验框架进行了弹塑性静力分析，并将结果与试验框架进行对比，提出了一些设计建议，进一步验证用Push-over分析方法对预应力混凝土框架结构进行地震反应分析的可行性。最后用SAP2000对复式框架进行计算分析，确定了附跨的夹层小梁及边柱对复式框架的共用柱承受的剪力的影响，以及如何进行抗震分析等问题。更多还原

【Abstract】 For multilayer multi-span prestressed concrete structure, because its span is bigger, in the most situations the section reinforcing bars is controled by the vertical load , therefore if continues to use the earthquake resistance design method of the reinforced concrete structure not to be able to cause the structure display best earthquake resistance ability . In order to be accurate carries on the earthquake respond analysis to the multilayer multi-span pre-stressed concrete structure, we may using the static elastic-plasticity method (Push-over) to carry on the anti-side ability analysis to the structure, makes the approximate estimate to the essential unit or the important component distortion, discovered the latent disadvantage in design because of (like intensity or rigidity sudden change ), found the spot of the structure possibly to have the big distortion and appraise structure overall stable and so on .This article first elaborated the articulation mechanism and the elastic-plasticity analysis method of the concrete frame construction , and in detail introduced principle and the process of the push-over analysis ; Then has selected southeast university’s earthquake resistance experiment of prestressed complex frame , then has carried on the elastic-plasticity static analysis with large-scale finite element analysis procedure SAP2000 to the experimental frame, and carries on the result and the experimental frame the contrast, proposed some design proposals, further confirm with it is feasible that the Push-over analysis method carry on the earthquake to the prestressed concrete frame construction to respond the analysis. Finally uses SAP2000 to carry on the computation analysis to the complex frame, had determined attaches cross band little beam and side columniation altogether uses the shearing force influence to the duplicate frame which the column withstands, as well as how carries on earthquake resistance analysis and so on.更多还原