多遇地震
- 网络Frequent earthquakes;frequently occurred earthquake
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给出了多遇地震作用下与现行规范相一致的场地土阻尼比和卓越频率,建立了谱强度因子S0与地面加速度最大值均值(?)
The corresponding damping ratio and predominant frequency of the site soil under frequently occurred earthquake action are presented .
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利用时程分析方法分别对带填充墙和不带填充墙的框架进行了多遇地震和罕遇地震作用下的动力分析。
Based on time history analysis method , with and without infilled wall frame are analyzed under frequently occurred earthquake and rare earthquake .
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在多遇地震下,RPC桥墩A、B均满足强度和刚度要求,处于弹性工作范围。
Pier A and B can meet the intensity and rigidity of the requirements under the condition of frequent earthquake , and the structure remains the elastic state .
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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 .
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多遇地震下砖砌体结构的随机性分析
Study on the Failure Law of Masonry Structure under Small Earthquake
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多遇地震作用下高层钢结构支撑形式设计分析
Analysis of Bracing System for High-rise Steel Structures under Frequent Seismic Action
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高层钢框架多遇地震下合理刚度设计方法的验证分析
Verification and Analysis of Rational Rigidity Aseismic Design of High-rise Steel Frames under Frequently - occurred Earthquake Action
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分析中对于罕遇地震采用结构损伤为分析依据,对于多遇地震作用下则以层间最大剪力为依据。
The analysis is performed based on structural damage for rare earthquakes and maximum interlayer shear force for frequent earthquakes .
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比较了9度多遇地震和罕遇地震对结构的不同作用效果。
Comparison is conducted between the different seismic effects corresponding to the ninth degree frequent and rare earthquake , respectively .
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研究了该桥在多遇地震和罕遇地震过程中每一瞬时的位移和应力等地震响应,并对桥梁抗震性能作出了评估。
The stresses and displacements of the structural crucial sections under common earthquake , design earthquake and rare earthquakes were studied .
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分析结果表明:无论是多遇地震还是罕遇地震作用,结构侧移满足规范要求。
The analysis indicates that the displacement of the structure , whether under slight earthquake or under sever earthquake , satisfies the requirements of the codes .
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采用时程分析法分析了该组合结构在多遇地震作用下的弹性地震响应和在罕遇地震作用下的弹塑性位移响应。
The elastic response of structure under frequent seismic actions and the elastoplastic response under in frequent seismic actions are calculated by the method of time-history .
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对该结构体系进行了多遇地震作用下的抗震性能计算评估和罕遇地震作用下的弹塑性时程分析。
The seismic performance of the building was evaluated based on the static analysis under frequent earthquake , and the nonlinear time history analysis under rare earthquake was conducted .
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通过分析,得出多遇地震下结构的周期、顶点位移、层间位移角、振型等;
The natural period of vibration , the displacement at the top of building and rotation angle of each floor and mode shape are obtained from the elasticity analysis .
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试验分别在五层钢框架模型的第一、三和五层薄弱层设置三种耗能阻尼器支撑,进行了多遇地震和罕遇地震的抗震试验。
The model added the three kinds of EDD-bracing system on the 1st , the 2nd and the top weak floor , experiences simulative minute earthquake and disastrous earthquake .
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总结了高层钢框架结构多遇地震下的合理刚度设计方法,并对该设计方法进行了反应谱和时程的验证分析。
This paper summarizes how to use RRSD to finish aseismatic design for high-rise steel frames under frequently occurred earthquake action and verifies it by spectra analysis and time-history analysis .
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如何进行合理地结构设计,使得结构整体在多遇地震作用时,能够满足一定的承载力和刚度的要求,而在罕遇地震作用下,结构应具备足够的耗能能力和延性。
It is important to design reasonable structure to meet the needs of bearing capacity and stiffness under frequently occurred earthquakes and energy-dissipation capacity and ductility under rare , extreme earthquakes .
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对该工程的三种方案(无阻尼器无加强层方案一、加强层方案粘滞液体阻尼器方案三)进行了多遇地震下的反应谱分析及非线性时程分析。
Do normal earthquake spectrum analysis and nonlinear time history analysis with the project of three scheme ( no damper no strengthening model , strengthening model , viscous fluid damper model ) .
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在多遇地震作用下,装配式楼盖框架结构与现浇楼盖框架结构性能接近,但在罕遇地震作用下,装配式楼盖框架结构有较好的延性;
The study shows that , under the minor earthquake the performance of this kind of frame is similar to the one with cast-in-place floor , but excellent performance under severe earthquake ;
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由《高层建筑混凝土结构技术规程》的规定可知,此建筑属复杂体型结构,对于这类结构,除应按常规方法计算外,还要采用时程分析法进行多遇地震下的补充计算。
By the civil codes , we know that the building is a complicated structure , and we should calculate it not only by the routine method but also by time-history analysis under earthquake .
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通过以上研究,得出如下主要结论:多遇地震下,部分配筋砌体框架结构的顶点位移和最大层间位移角较框架填充墙结构均明显减小。
Through these studies , draw the following conclusions : frequent occurred earthquake , partial reinforced block masonry frame structure vertex displacement and maximum drift angle than the infilled frame structures were significantly reduced .
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最后利用动力时程分析的精细积分法对高层建筑结构进行动力时程分析,求得多遇地震作用下建筑结构的地震反应值。
Finally , the dynamic time history analysis is processed on the high-rise building structures based on the precise integration method of initial value problems , and frequent earthquake seismic response values of buildings are obtained .
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动力分析:利用子空间迭代法计算分析了桥梁的自振频率和振形,并用反应谱法对桥梁在多遇地震作用下的响应进行了计算分析。
Dynamic analysis : The natural vibration modes and frequencies of the bridge are computed using the subspace iteration method . Subsequently , the effect of seismic action are analyzed using response spectrum method . 3 .
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在多遇地震和罕遇地震作用下,对新型多层框排架结构工业厂房原结构和所有节点均安装新型S型耗能减震连接器的结构进行了大量的数据分析比较。
In frequently occurred earthquake and seldom occurred earthquake , large data analysis and comparison are done between the original structure of the new structure of multi-layer frame-bent industrial plants and the structure that all nodes are installed S-type dampers .
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试验结果和理论计算结果表明,在多遇地震下摩擦机构不起滑,粘弹性-摩擦阻尼器的减振效果和纯粘弹性阻尼器相当,而摩擦阻尼器的作用相当于纯支撑;
The results of test and theoretical calculation indicate that the friction device does not slide under minute earthquake , thus the control effort of F-VED corresponds with VED , and the action of FRD is the same as pure brace .
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主要工作有:1.对结构进行了多遇地震作用下的反应谱分析,并对比了不同偏置率此类结构的不同反应,得出此类结构在多遇地震作用下反应的宏观指标。
The main work can be concluded as follows : 1 . Corresponsive macroeconomic indicators could be deduced from response spectrum analysis and comparison of differential responses to the different bias rate on the structure under the role of multi-earthquake . 2 .
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结果表明:纤维增强异形柱框架在多遇地震与罕遇地震作用下均具有良好的抗震性能。在上述研究的基础上,提出了异形柱结构的工程设计建议。
The result indicate that the seismic performance of partially reinforced frame with special-shaped columns is fine under the frequent and infrequent earthquake action . Finally , some suggestions for design of RC frame with special-shaped columns are mentioned from the above study .
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建立普通楼盖与空心楼盖模型,比较分析这两种模型在多遇地震下的周期、振型特征、结构所受水平地震作用,以及在水平地震作用下结构层间位移和梁板柱的内力。
We built general floor model and hollow floor model to study these two kinds of models ' period , vibration mode characteristics earthquake shear force , structure displacement between the layers and the stress of beam , slab , and column under normal earthquake .
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隔震结构在多遇地震作用下的层间剪力比值接近0.35,根据《建筑抗震设计规范》的有关规定,上部结构可按降一度进行设计;
Under frequent earthquake action , the shear force ratio between layers is close to 0.35 ; in according with the provision in aseismic design code that the horizontal seismic reduction coefficient can choose 0.53 and the upper building can be designed by decreasing one degree .
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建立平面底框砖混结构有限元分析模型,在多遇地震作用下,研究分析上部墙体居中开洞对底框砖混结构的影响。
The responses of brick masonry building with frame structure at lower Stories were analyzed under frequent earthquake influenced by upper middle wall openings . ( 4 ) The brick masonry building with frame structure at lower stories plane and space finite element analysis model is established .