地震作用效应
- 网络seismic action effect;seismic effect
![地震作用效应](../cache/1348617.jpg)
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本文将结构体系抗力等效为与结构特定损伤状况相关的结构的顶点位移,结构的地震作用效应由pushover分析及能力谱法求得。
In this paper , the structural resistance is characterized by its top layer displacement , which is related to a predefined damage stage of the structure . The seismic action effect is calculated by pushover analysis and capacity demand-diagram method .
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土体地震作用效应的B阶样条有限元方程
B Spline Function Finite Element Equations in the Seismic Effect of Soil
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因此,本文以高烈度区的平面L形框架-剪力墙结构为研究对象,重点探讨剪力墙的布置对整体结构的水平地震作用效应和剪力墙受力的综合影响。
Therefore , the paper takes the frame-shear wall structure located in high seismic intensity region as research object , emphatically discussing the comprehensive impact of layout of shear walls on horizontal earthquake effects of both overall structure and shear walls .
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建筑场地类别对同一结构地震作用效应的影响
Influences of building field type on seismic effect of same structure
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结构的水平地震作用效应中各振型组合方法的选择
The choice of modal combination rule in horizontal earthquake effect of structure
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梁式转换层异型柱框架的地震作用效应
Seismic Responses of RC Frame Structures with Special-Shaped Columns and Girder-Transfer Story
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反应谱参量双界限凸集模型及其地震作用效应
A Bounded Convex Model with Two Spectrum Parameters for Worst Response to Earthquake
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地基阻尼比对大型双曲线冷却塔地震作用效应的影响
The Influence of Subsoil Damping Ratio to the Hyperbolic Cooling Tower 's Seismic Effect
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本文就高土石坝的地震作用效应以及坝坡抗震稳定分析开展了系列研究工作。
Series of research about the seismic effects and slope seismic stability of high earth and rockfill dams are discussed in the paper .
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底部框架-抗震墙房屋三维分析地震作用效应调整方法
An earthquake action effect adjustment method for 3-D analysis of a multi-story masonry building with frame-shear walls on first or first and second floors
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最后对地震作用效应折减系数进行讨论,并建议了墙趾地震作用的合理设计取值。这些结果为改进挡土墙的抗震设计、指导工程实践提供了有益的基础。
A reliable value of earthquake action on the toe of wall is proposed in design and the reduced coefficient of seismic action effect is discussed .
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对三种结构分别采用振型分解反应谱法和弹性时程分析法计算地震作用效应,时程分析结果取最大值的包络。
Mode analysis response spectrum method and elasticity time-history method were used to calculate earthquake effect for three structures , and the result of time-history analysis adopt envelope of the maximum value .
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通过与空间模型的竖向荷载效应、横向水平风荷载效应、自振性能及横向地震作用效应的比较研究,验证了平面模型的合理性和准确性。
Rationality and accuracy of the simplified 2-dimensional model are verified through comparative research with the 3-dimensional analysis model considering vertical load , lateral wind load , transverse earthquake load and dynamical characteristic .
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算例标明,本文方法具有较高的精度与可靠性,内力计算公式形式简单,便于抗震设计初步估算地震作用效应时采用。
Example results indicate that the proposed method has higher precision and reliability , and the form of internal force is simple and convenient to be used for the estimation of seismic response in elementary seismic design .
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对比单、双向地震作用效应最大值,并将比例值进行统计,对抗震规范中相应的双向地震效应组合公式进行系数修正。
From contrasting the most seismic response of unidirectional earthquake action with bidirectional earthquake action , proportion values were received by statistical method , and the combination formula of bidirectional earthquake response in seismic code was revised by coefficients .
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建立了平转耦联隔震结构地震作用效应的计算方法,并在此基础上对结构的动力性能及隔震效果作出了比较和分析。
In this paper , the calculation method of seismic response in the translation-torsion coupling isolated structure is established , and the dynamic characteristics and isolated effect of the structure are compared and analysed by using the calculation method .
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根据分析结果,对设计提出建议,针对工程不同结构类型和部位给出了考虑多点输入影响的地震作用效应调整系数,本工程地震作用效应调整系数在1.00~2.20之间。
Some suggestions are put forward according to the analysis results . Adjustive coefficients considering multi-support excitation based on different positions and different structure types have been provided . Adjustive coefficients considering multi-support excitation are among 1.00-2.20 in this project .
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目前,反应谱CQC法是我国和世界多数国家抗震设计规范所推荐的计算地震作用及其效应的首选方法。
At the present time , the response spectrum CQC method is the most recommended method by code for anti-seismic design of structures in China and most other countries .
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结构抗震设计中,广泛应用反应谱CQC法计算结构的地震作用及其效应,参与组合的振型数是影响反应谱CQC法计算结果准确度的重要因素之一。
In seismic design of a structure , response spectrum CQC method is widely used to obtain earthquake effect , however , the accuracy of the results is influenced to a large extent by the number of combined modes .
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工程抗震设计的首要任务是确定结构的地震作用及其效应,以此作为设计校核的依据。
The most important task of anti-seismic design of structures is to determine the earthquake action and its effect which act as an important basis of design and verification .
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本文还给出了六点支承玻璃面板在风荷载和水平地震作用综合效应下的受力与变形的计算示例,供有关设计人员参考。
A example is given to compute the stress and deformation of six-point supported glass panel under the integrated effect of wind load and horizontal earthquake action , which can provide certain references for designers .
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爆破地震作用的沟槽效应
An Earthquake Channel Effect of Blasting Vibration
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柱承式贮(群)仓在水平地震作用下的扭转效应
Torsional Effect of the Column-Supported Group Silos Under the Action of Horizontal Earthquake
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研究了结构在强地震作用下的扭转效应和高阶振型对结构反应的影响。
The torsional response of the structure and influence of higher mode shape are assessed .
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震害经验表明,偏心结构在地震作用下的扭转效应是造成结构抗震性能退化的主要原因之一。
The Earthquake damage shows that torsional response of eccentric structure under seismic action was one of main factors of seismic performance degradation .
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最后结合实桥,进行了连续梁桥在不同爆破地震波及天然地震作用下的振动效应分析和抗爆安全评估,验证了本文提出的评估方法的合理性。
Finally , combined with practical continuous beam bridge , its vibration effect and safety assessment was carried out , under the action of different explosion seismic wave and different natural earthquake . Then the assessment methods proposed in this paper was verified reasonable .
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一个FPS隔震多层剪切型结构对三种水平地震作用响应的计算结果表明,尽管会引起结构的竖向附加振动,FPS仍具有良好的限位水平能力和隔离水平地震作用的效应。
The computational results of the responses of a FPS based multi story shear typed structure to three different horizontal earthquake actions demonstrate that vertical vibrations of FPS based structures are produced , but FPS bearings have good rotation restricting capability and high capacity of isolating horizontal earthquake actions .