罕遇地震

结构在罕遇地震下的强震记录选择

Strong Ground Motion Selected for Structural Analysis under Seldom Occurred Earthquake

某钢结构气象塔在罕遇地震作用下考虑P-Δ效应的动力时程分析

Dynamic Time-History Analysis of a Steel Meteorological Tower under Seldom Occurred Earthquake Considering P - △ Effect

最后，应用该方法，对CFRP约束的底部框架砌体结构进行了罕遇地震作用下的时程分析。

Finally , a 7-floor hybrid masonry-concrete structures strengthened with CFRP excited by El-Centro earthquake is analyzed .

结果表明：pushover方法是目前对结构进行在罕遇地震作用下弹塑性分析的有效方法；PΔ效应随着结构屈服和结构刚度退化的影响越来越明显。

The results indicate that Push-over method is an effective method to carry out elastic analysis of structure under the action of rare occurence of earthquake at present , P - Δ effect becomes more and more apprent with the degradation in structure yield and structure stiffness .

Pushover法和能力谱法等已开始用于评估罕遇地震作用下结构的抗震性能，这些方法本身具有理论缺陷性，且在实践中不易操作。

Pushover method and capacity spectrum method has been used to assess the structure of rare earthquake seismic performance of these methods , which has theoretical defects and difficult to operate in practice .

罕遇地震作用下结构的抗震变形验算需要利用钢筋混凝土梁柱构件的三折线模型，国内外对该模型的主要参数Mc，My，α有不同的计算方法。

Tri-liner model of reinforced concrete beam and column is needed during the process of deformation calculation of RC structure under large earthquake . The Mc . , My , and α of the tri-linear model can be calculated with different method .

目前罕遇地震下结构的分析方法有两种：静力弹塑性（push-over）分析和动力弹塑性分析方法。

There are two methods to analyze the structure during severe earthquake , one is static non liner analysis ( push-over ) and another is dynamic non liner analysis ( time history ) method .

珠江新城J2-5地块框架-核心筒超高层结构的罕遇地震弹塑性时程分析

Elasto-Plastic Time-History Analysis for a Frame-Tube Tall Building in Zhu Jiang Xin Cheng J2-5 Plot under Expected Rare Earthquakes

最后，应用本文方法，对设置FVD的非线性钢筋混凝土框架结构进行了在罕遇地震和多遇地震作用下的时程分析，并根据计算结果对其减震效果进行了分析讨论。

Consequently , a time history analytical method is employed to analyze the seismic responses of nonlinear frame structure equipped with FVD under disastrous and minute earthquake .

大跨空间钢结构罕遇地震反应分析

Seismic Response Analysis of Long Span Steel Structures under Strong Earthquake

罕遇地震作用下单层框架支撑体系的塑性极限分析

The plastic limit analysis of braced-frames structure under strong seismic action

罕遇地震作用下钢筋混凝土框筒结构耗能研究

Energy Dissipation Analysis of Reinforced Concrete Frame-tube Structure under Strong Earthquake

罕遇地震弹塑性静、动力分析方法中结构阻尼问题探讨

On damping in elastic-plastic static and dynamic method under rare earthquakes

生成桥址所在处罕遇地震的人工地震波；

Generate artificial earthquake wave in the site condition of bridge ;

还用罕遇地震时的等效层剪力作了检验。

Equivalent story shear under rarely-occurred earthquake has also been checked .

进行罕遇地震作用分析应充分考虑结构材料的非线性性能。

And the material nonlinearity should be included in infrequent seismic analysis .

渡槽结构在罕遇地震作用下的抗震性能分析

Analysis on seismic performance of aqueduct under rare earthquake

钢-混凝土混合结构罕遇地震弹塑性静、动力分析方法

Elastic-plastic Static and Dynamic Analysis of Steel Concrete Composite Structure Under Rare Earthquake

用壳元模型计算罕遇地震下的动力反应，并与简化模型进行对比。

Response of shell truss model under severe earthquake is carried out by ANSYS .

国家体育场大跨度钢结构罕遇地震性能分析

Seismic behavior analysis of large-span steel structure of the National Stadium under severe earthquake

然后分析了隔震结构在罕遇地震作用下的抗倾覆性能。

Then , anti-overturning analysis of isolated structure under rare earthquake was carried out .

高层钢结构罕遇地震分析中的几种计算机技术

Computer techniques used for analysis of high-rise steel buildings in case of unusual earthquakes

罕遇地震作用下高墩连续刚构桥双重非线性抗震分析

Double nonlinear aseismic analysis of high-rise pier and rigid frame bridges under rear earthquake

在罕遇地震作用下，杆件可能受拉屈服，也可能受压屈曲。

Under strong earthquake , members may yield by tension or buckle by compression .

分析了隔震结构在罕遇地震作用下的塑性铰分布及塑性开展情况。

Distribution and development of plastic hinge for isolated structure under rare earthquake was analyzed .

基于能力设计原理的罕遇地震作用下转换层结构设计研究

Design and research of transfer-storey structures based on philosophy of capacity design under severe earthquake

将两个子结构用刚性楼板连接，对结构进行罕遇地震下的弹塑性时程分析。

Four seismic waves acts on the two substructures , which are connected by rigid floors .

进而对罕遇地震作用下的结构的抗震性能有了充分的认识。

We can get full understanding of the seismic performance of structures under the rare earthquake .

罕遇地震下多高层建筑钢结构弹塑性位移的实用计算

A Practical Approach for Estimating Elastoplastic Displacements of Multistory and Tall Steel Buildings Under Severe Earthquakes

提出异形柱框架结构罕遇地震下抗渐次倒塌设计建议。

Gived design suggestions gradually collapse when the special-shaped columns frame structure is under rare earthquake .