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Performance-based seismic design of nonstructural building components:The next frontier of earthquake engineering 被引量:20
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作者 Andre Filiatrault Timothy Sullivan 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2014年第S1期17-46,共30页
With the development and implementation of performance-based earthquake engineering,harmonization of performance levels between structural and nonstructural components becomes vital. Even if the structural components ... With the development and implementation of performance-based earthquake engineering,harmonization of performance levels between structural and nonstructural components becomes vital. Even if the structural components of a building achieve a continuous or immediate occupancy performance level after a seismic event,failure of architectural,mechanical or electrical components can lower the performance level of the entire building system. This reduction in performance caused by the vulnerability of nonstructural components has been observed during recent earthquakes worldwide. Moreover,nonstructural damage has limited the functionality of critical facilities,such as hospitals,following major seismic events. The investment in nonstructural components and building contents is far greater than that of structural components and framing. Therefore,it is not surprising that in many past earthquakes,losses from damage to nonstructural components have exceeded losses from structural damage. Furthermore,the failure of nonstructural components can become a safety hazard or can hamper the safe movement of occupants evacuating buildings,or of rescue workers entering buildings. In comparison to structural components and systems,there is relatively limited information on the seismic design of nonstructural components. Basic research work in this area has been sparse,and the available codes and guidelines are usually,for the most part,based on past experiences,engineering judgment and intuition,rather than on objective experimental and analytical results. Often,design engineers are forced to start almost from square one after each earthquake event: to observe what went wrong and to try to prevent repetitions. This is a consequence of the empirical nature of current seismic regulations and guidelines for nonstructural components. This review paper summarizes current knowledge on the seismic design and analysis of nonstructural building components,identifying major knowledge gaps that will need to be filled by future research. Furthermore,considering recent trends in earthquake engineering,the paper explores how performance-based seismic design might be conceived for nonstructural components,drawing on recent developments made in the field of seismic design and hinting at the specific considerations required for nonstructural components. 展开更多
关键词 nonstructural building components performance-based earthquake engineering seismic design and analysis
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Peak displacement patterns for the performance-based seismic design of steel eccentrically braced frames 被引量:1
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作者 Ali Fakhraddini Hamed Saffari Mohammad Javad Fadaee 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2019年第2期379-393,共15页
Performance-based seismic design(PBSD) aims to assess structures at different damage states. Since damage can be directly associated to displacements, seismic design with consideration of displacement seems to be logi... Performance-based seismic design(PBSD) aims to assess structures at different damage states. Since damage can be directly associated to displacements, seismic design with consideration of displacement seems to be logical. In this study, simple formulae to estimate the peak floor displacement patterns of eccentrically braced frames(EBFs) at different performance levels subjected to earthquake ground motions are proposed. These formulae are applicable in a PBSD and especially in direct displacement-based design(DDBD). Parametric study is conducted on a group of 30 EBFs under a set of 15 far field and near field accelerograms which they scaled to different amplitudes to adapt various performance levels. The results of thousands of nonlinear dynamic analyses of EBFs have been post-processed by nonlinear regression analysis in order to recognize the major parameters that influence the peak displacement pattern of these frames. Results show that suggested displacement patterns have relatively good agreement with those acquired by an exact nonlinear dynamic analysis. 展开更多
关键词 performance-based seismic design direct displacement-based design DISPLACEMENT pattern eccentrically braced FRAMES steel building
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Probabilistic Performance-Based Optimum Seismic Design Framework: Illustration and Validation
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作者 Yong Li Joel P.Conte Philip E.Gill 《Computer Modeling in Engineering & Sciences》 SCIE EI 2019年第9期517-543,共27页
In the field of earthquake engineering,the advent of the performance-based design philosophy,together with the highly uncertain nature of earthquake ground excitations to structures,has brought probabilistic performan... In the field of earthquake engineering,the advent of the performance-based design philosophy,together with the highly uncertain nature of earthquake ground excitations to structures,has brought probabilistic performance-based design to the forefront of seismic design.In order to design structures that explicitly satisfy probabilistic performance criteria,a probabilistic performance-based optimum seismic design(PPBOSD)framework is proposed in this paper by extending the state-of-the-art performance-based earthquake engineering(PBEE)methodology.PBEE is traditionally used for risk evaluation of existing or newly designed structural systems,thus referred to herein as forward PBEE analysis.In contrast,its use for design purposes is limited because design is essentially a more challenging inverse problem.To address this challenge,a decision-making layer is wrapped around the forward PBEE analysis procedure for computer-aided optimum structural design/retrofit accounting for various sources of uncertainty.In this paper,the framework is illustrated and validated using a proof-of-concept problem,namely tuning a simplified nonlinear inelastic single-degreeof-freedom(SDOF)model of a bridge to achieve a target probabilistic loss hazard curve.For this purpose,first the forward PBEE analysis is presented in conjunction with the multilayer Monte Carlo simulation method to estimate the total loss hazard curve efficiently,followed by a sensitivity study to investigate the effects of system(design)parameters on the probabilistic seismic performance of the bridge.The proposed PPBOSD framework is validated by successfully tuning the system parameters of the structure rated for a target probabilistic seismic loss hazard curve.The PPBOSD framework provides a tool that is essential to develop,calibrate and validate simplified probabilistic performance-based design procedures. 展开更多
关键词 performance-based seismic design OPTIMUM seismic design forward PBEE ANALYSIS inverse PBEE ANALYSIS uncertainty quantification hazard DEAGGREGATION
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Research on performance-based seismic design criteria
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作者 谢礼立 马玉宏 《Acta Seismologica Sinica(English Edition)》 EI CSCD 2002年第2期214-225,共12页
The seismic design criterion adopted in the existing seismic design codes is reviewed. It is pointed out that the presently used seismic design criterion is not satisfied with the requirements of nowadays social and e... The seismic design criterion adopted in the existing seismic design codes is reviewed. It is pointed out that the presently used seismic design criterion is not satisfied with the requirements of nowadays social and economic development. A new performance-based seismic design criterion that is composed of three components is presented in this paper. It can not only effectively control the economic losses and casualty, but also ensure the building's function in proper operation during earthquakes. The three components are: classification of seismic design for buildings, determination of seismic design intensity and/or seismic design ground motion for controlling seismic economic losses and casualties, and determination of the importance factors in terms of service periods of buildings. For controlling the seismic human losses, the idea of socially acceptable casualty level is presented and the 'Optimal Economic Decision Model' and 'Optimal Safe Decision Model' are established. Finally, a new method is recommended for calculating the importance factors of structures by adjusting structures service period on the base of more important structure with longer service period than the conventional ones. Therefore, the more important structure with longer service periods will be designed for higher seismic loads, in case the exceedance probability of seismic hazard in different service period is same. 展开更多
关键词 performance-based design seismic design criterion fortification intensity seismic vulnerability analysis earthquake loss estimation acceptable level for earthquake human mortality
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Performance-based global reliability assessment of a high-rise frame-core tube structure subjected to multi-dimensional stochastic earthquakes 被引量:2
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作者 Liu Zhangjun Ruan Xinxin Liu Zixin 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2022年第2期395-415,共21页
When evaluating the seismic safety and reliability of complex engineering structures,it is a critical problem to reasonably consider the randomness and multi-dimensional nature of ground motions.To this end,a proposed... When evaluating the seismic safety and reliability of complex engineering structures,it is a critical problem to reasonably consider the randomness and multi-dimensional nature of ground motions.To this end,a proposed modeling strategy of multi-dimensional stochastic earthquakes is addressed in this study.This improved seismic model has several merits that enable it to better provide seismic analyses of structures.Specifically,at first,the ground motion model is compatible with the design response spectrum.Secondly,the evolutionary power spectrum involved in the model and the design response spectrum are constructed accordingly with sufficient consideration of the correlation between different seismic components.Thirdly,the random function-based dimension-reduction representation is applied,by which seismic modeling is established,with three elementary random variables.Numerical simulations of multi-dimensional stochastic ground motions in a specific design scenario indicate the effectiveness of the proposed modeling strategy.Moreover,the multi-dimensional seismic response and the global reliability of a high-rise frame-core tube structure is discussed in detail to further illustrate the engineering applicability of the proposed method.The analytical investigations demonstrate that the suggested stochastic model of multi-dimensional ground motion is available for accurate seismic response analysis and dynamic reliability assessment of complex engineering structures for performance-based seismic resistance design. 展开更多
关键词 multi-dimensional stochastic ground motion dimension-reduction representation frame-core tube structure global dynamic reliability performance-based seismic design
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Application of consequence-based design criteria in regions of moderate seismicity 被引量:1
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作者 胡聿贤 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2003年第1期35-38,共4页
Current design criteria and prineiples of earthquake engineering design are reviewed,including safety factors, probabilistic approach,and two-level and muhi-level functional design ideas.The modern multi-functional id... Current design criteria and prineiples of earthquake engineering design are reviewed,including safety factors, probabilistic approach,and two-level and muhi-level functional design ideas.The modern multi-functional idea is discussed in greater details.When designing a structure,its resistance to and the intensity of the earthquake action are considered. The consequence of failure of the structure is considered only through a rough and empirical factor of importance,ranging usually from 1.0 to 1.5.This paper suggests a method of'consequence-based design,'which considers the consequences of malfunctioning instead of simply an importance factor.The main argument for this method is that damage to a structure located in different types of societies may have very different consequences,which are depeudant on its value and usefulness to the society and the seismicity in the region. 展开更多
关键词 consequence-based design performance-based design displacement-based design seismic design criteria
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Recent progress of seismic research on tall buildings in China Mainland 被引量:3
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作者 Lu Xilin Jiang Huanjun 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2014年第S1期47-61,共15页
As a result of rapid economic growth and urbanization in the past two decades,many tall buildings have been constructed in China Mainland,offering researchers and practitioners an excellent opportunity for research an... As a result of rapid economic growth and urbanization in the past two decades,many tall buildings have been constructed in China Mainland,offering researchers and practitioners an excellent opportunity for research and practice in the field of structural engineering. This paper reviews progress by researchers throughout China Mainland on the seismic research of tall buildings,focusing on three major topics that impact the seismic performance of tall buildings. These are:(1) new types of steel-concrete composite structural members such as steel-concrete composite shear walls and columns,(2) earthquake resilient shear wall structures such as shear walls with replaceable structural components,self-centering shear walls and rocking walls,and(3) performance-based seismic design,including seismic performance index,performance level and design method. The paper concludes by presenting future research needs and directions in this field. 展开更多
关键词 tall buildings steel-concrete composite member earthquake resilient structure performance-based seismic design
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Dynamics of risers for earthquake resistant designs 被引量:1
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作者 Duan Menglan Wang Yi +2 位作者 Yue Zhiyong Estefen Segen Yang Xiaogang 《Petroleum Science》 SCIE CAS CSCD 2010年第2期273-282,共10页
It is well known that no criterion about seismic design for risers is available, and relevant research has not been reported. A comprehensive study of riser dynamics during earthquakes is performed in this paper. A dy... It is well known that no criterion about seismic design for risers is available, and relevant research has not been reported. A comprehensive study of riser dynamics during earthquakes is performed in this paper. A dynamic model for seismic analysis of risers is developed in accordance with the working environment of the risers and the influence of inertia force of the pipelines. The dynamic equations for the developed model are derived and resolved on the basis of the energy theory of beams. Numerical simulation for an engineering project in the Bohai Oil Field, China shows that the fundamental frequency of the riser plays the major role in the seismic responses, and for platforms in shallow water in Bohai Bay, the risers demonstrate a much lower stress response due to prominent differences between the riser frequency and the earthquake wave frequency. The presented model and its corresponding method for seismic analysis are practical and important for riser design resistant to earthquake waves. 展开更多
关键词 Subsea pipeline RISER seismic design dynamic response earthquake wave Hamilton theory
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A simplified methd of evaluating the seismic performance of buildings 被引量:1
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作者 Ashutosh Bagchi 《Earthquake Engineering and Engineering Vibration》 SCIE EI CSCD 2004年第2期223-236,共14页
This paper presents a simplified method of evaluating the seismic performance of buildings. The proposed method is based on the transformation of a multiple degree of freedom (MDOF) system to an equivalent single degr... This paper presents a simplified method of evaluating the seismic performance of buildings. The proposed method is based on the transformation of a multiple degree of freedom (MDOF) system to an equivalent single degree of freedom (SDOF) system using a simple and intuitive process. The proposed method is intended for evaluating the seismic performance of the buildings at the intermediate stages in design, while a rigorous method would be applied to the final design. The performance of the method is evaluated using a series of buildings which are assumed to be located in Victoria in western Canada, and designed based on the upcoming version of the National Building Code of Canada which is due to be published in 2005. To resist lateral loads, some of these buildings contain reinforced concrete moment resisting frames, while others contain reinforced concrete shear walls. Each building model has been subjected to a set of site-specific seismic spectrum compatible ground motion records, and the response has been determined using the proposed method and the general method for MDOF systems. The results from the study indicate that the proposed method can serve as a useful tool for evaluation of seismic performance of buildings, and carrying out performance based design. 展开更多
关键词 seismic hazard modal analysis static pushover analysis dynamic time history analysis performance-based design
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Seismic Health Monitoring of Foundations Using Artificial Neural Networks
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作者 Azlan bin Adnan Mohammadreza Vafaei 《Journal of Civil Engineering and Architecture》 2012年第6期730-737,共8页
Damage identification plays an important role in structural health monitoring systems. Despite variety in damage identification methods, little attention has been paid to the seismic damage identification of foundatio... Damage identification plays an important role in structural health monitoring systems. Despite variety in damage identification methods, little attention has been paid to the seismic damage identification of foundations. When shear walls serve as the lateral load resistance system of structures, foundations may subject to the high level of concentrated moment and shear forces. Consequently, they can experience severe damage. Since such damage is often internal and not visible, visual inspections cannot identify the location and the severity of damage. Therefore, a robust method is required for damage localization and quantification of foundations. According to the concept of performance-based seismic design of structures, the seismic behavior of foundations is considered as Force-Controlled. Therefore, for damage identification of foundation, internal forces should be estimated during ground motions. In this study, for real-time seismic damage detection of foundations, a method based on artificial neural networks was proposed. A feed-forward multilayer neural network with one hidden layer was selected to map input samples to output parameters. The lateral displacements of stories were considered as the input parameters of the neural network while moment and shear force demands at critical points of foundations were taken into account as the output parameters. In order to prepare well-distributed data sets for training the neural network, several nonlinear time history analyses were carried out. The proposed method was tested on the foundation of a five-story concrete shear wall building. The obtained results revealed that the proposed method was successfully estimated moment and shear force demands at the critical points of the foundation. 展开更多
关键词 Structural health monitoring seismic damage detection artificial neural networks performance-based design.
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框架结构基于性能的抗震设防目标和性能指标的量化 被引量:58
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作者 门进杰 史庆轩 周琦 《土木工程学报》 EI CSCD 北大核心 2008年第9期76-82,共7页
针对我国现行抗震规范中,地震作用水平从多遇地震到罕遇地震的超越概率相差较大的现状,提出中小震的地震作用水平,取其50年内的超越概率为40%;对结构性能水平进行细化,划分"五档"性能水平,结合4个地震作用水平,建立14个结构... 针对我国现行抗震规范中,地震作用水平从多遇地震到罕遇地震的超越概率相差较大的现状,提出中小震的地震作用水平,取其50年内的超越概率为40%;对结构性能水平进行细化,划分"五档"性能水平,结合4个地震作用水平,建立14个结构抗震性能目标和"四水准"的抗震设防目标。在统计分析国内外215个钢筋混凝土框架(柱)试验数据的基础上,建立结构在地震作用下处于暂时使用和修复后使用性能水平的量化指标。通过算例,对3种不同高度的规则框架分别按照小震和中小震进行抗震设计,并进行反应谱法和时程分析,结果表明按现行规范"小震不坏"进行设计的结构,不一定能保证"中震可修",而按照"中小震"进行结构抗震设计,可以保证"中震可修"。 展开更多
关键词 基于性能的抗震设计理论 抗震设防目标 性能水平 性能指标
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大跨空间结构抗震理论发展综述 被引量:9
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作者 聂桂波 王薇 +2 位作者 杜柯 王多智 马加路 《世界地震工程》 CSCD 北大核心 2020年第2期21-34,共14页
大跨空间结构由于其体量大且多作为人流密集的公共场所,因而在各种非常规荷载作用下破坏将造成更大的经济损失、人员伤亡和社会影响。系统的从以下3个方面总结了近年来大跨空间结构抗震理论所取得的主要进展:(1)大跨空间结构精细化的抗... 大跨空间结构由于其体量大且多作为人流密集的公共场所,因而在各种非常规荷载作用下破坏将造成更大的经济损失、人员伤亡和社会影响。系统的从以下3个方面总结了近年来大跨空间结构抗震理论所取得的主要进展:(1)大跨空间结构精细化的抗震性能评估理论,主要包括材料本构模型、地震动多点输入和结构强非线性模拟;(2)大跨空间结构抗震性能提升与修复技术,主要包括结构减震技术和隔震技术的研究与应用;(3)大跨空间结构抗震设计理论与方法,主要包括基于性态的设计方法和功能可恢复性的抗震设计方法。通过以上部分的系统总结和论述,形成大跨空间结构统一的抗震设计指导思想,并对此类结构的抗震研究的发展趋势和方向进行展望,从而为大跨空间结构设计、施工和监测提供借鉴。 展开更多
关键词 大跨空间结构 抗震性能评估 基于性态的抗震设计 地震可恢复性理论 地震可恢复性评价方法 韧性城乡
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限位装置静力设计研究 被引量:8
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作者 朱文正 刘健新 《公路交通科技》 CAS CSCD 北大核心 2006年第3期65-69,共5页
在地震中,由于桥梁联结间伸缩缝处过大的变位会造成桥梁的破坏,所以需要在支座宽度不足的伸缩缝间设置适当的限位装置,以限制伸缩缝间的相对位移。文章对限位装置的设计思想进行了探讨,通过对桥梁按不同的重要性等级进行分类,引入桥梁... 在地震中,由于桥梁联结间伸缩缝处过大的变位会造成桥梁的破坏,所以需要在支座宽度不足的伸缩缝间设置适当的限位装置,以限制伸缩缝间的相对位移。文章对限位装置的设计思想进行了探讨,通过对桥梁按不同的重要性等级进行分类,引入桥梁地震荷载重要性系数,提出了限位装置的设计地震力和位移的计算方法,并对限位装置的构造以及设计过程进行了介绍。通过对算例结果的反应谱分析,证明了该设计方法能够有效地减小桥梁控制位置的剪力和相对位移,从而达到限位的目的。 展开更多
关键词 桥梁工程 抗震加固 限位装置 设计理论 设计方法
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高层建筑的隔震原理与技术 被引量:48
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作者 曲哲 叶列平 潘鹏 《工程抗震与加固改造》 北大核心 2009年第5期58-63,51,共7页
隔震技术目前正逐渐应用于高层建筑。但对于高层建筑,延长结构周期带来的抗震性能改善并不显著,而分析结果表明,隔震技术仍可以显著降低结构的绝对加速度响应。本文以线弹性动力时程分析和反应谱法为基础,从延长结构周期原理与隔震层滤... 隔震技术目前正逐渐应用于高层建筑。但对于高层建筑,延长结构周期带来的抗震性能改善并不显著,而分析结果表明,隔震技术仍可以显著降低结构的绝对加速度响应。本文以线弹性动力时程分析和反应谱法为基础,从延长结构周期原理与隔震层滤波原理两方面分析了建筑隔震的减震效果。分析结果表明,在现有基于承载力抗震设计框架下,两种原理的分析结果是等效的,而滤波原理能够更加科学的解释隔震技术在降低结构绝对加速度响应方面的减震机理,有助于从基于性能设计更加全面的体现隔震技术的优势。在充分认识隔震原理的基础上,进一步讨论了高层建筑隔震需解决的技术问题,并介绍了日本高层隔震建筑的应用。 展开更多
关键词 隔震 高层建筑 滤波原理 反应谱 基于性能设计
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结构抗震设计理论与方法的沿革和比较 被引量:6
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作者 薄景山 张毅毅 +2 位作者 郭晓云 李琪 赵鑫龙 《震灾防御技术》 CSCD 北大核心 2021年第3期566-572,共7页
结构抗震设计理论与方法是地震工程学的核心内容,随着破坏性地震的不断发生和人们对震害认识的不断深化,结构抗震设计理论与方法逐步发展和完善。本文较全面地总结了结构抗震设计理论的形成与发展演化过程,并对不同结构抗震设计理论与... 结构抗震设计理论与方法是地震工程学的核心内容,随着破坏性地震的不断发生和人们对震害认识的不断深化,结构抗震设计理论与方法逐步发展和完善。本文较全面地总结了结构抗震设计理论的形成与发展演化过程,并对不同结构抗震设计理论与方法进行比较研究,详细介绍基于强度的结构抗震设计方法、基于性态的结构抗震设计方法和基于韧性的结构抗震设计理念。在此基础上,提出了进一步开展建筑抗震韧性研究的建议。 展开更多
关键词 结构抗震 抗震设计理论 抗震设计方法 历史沿革 比较研究
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基于Info-Gap决策的结构抗震稳健性优化设计 被引量:2
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作者 唐和生 范德伟 +1 位作者 李大伟 薛松涛 《湖南大学学报(自然科学版)》 EI CAS CSCD 北大核心 2015年第5期21-28,共8页
针对结构抗震设计中存在严重不确定性问题,基于Info-Gap理论建立一种考虑地震设计谱参数不确定的结构抗震稳健性优化设计方法.该设计方法采用Info-Gap模型来描述地震设计谱中反映地面运动强度的水平地震影响系数最大值αmax和场地特征周... 针对结构抗震设计中存在严重不确定性问题,基于Info-Gap理论建立一种考虑地震设计谱参数不确定的结构抗震稳健性优化设计方法.该设计方法采用Info-Gap模型来描述地震设计谱中反映地面运动强度的水平地震影响系数最大值αmax和场地特征周期Tg的不确定,通过嵌套优化使结构设计满足结构的临界性能要求的同时实现最大化不确定的稳健性.通过对一个6层3跨的钢框架的抗震稳健性优化设计验证分析表明:这种基于满足性能的结构抗震设计需在满足结构性能需求和提高不确定稳健性之间进行权衡取舍;同时也证实该方法为在不易得到不确定性因素足够信息情况下的基于性能结构抗震可靠性设计提供了一条新思路. 展开更多
关键词 Info-Gap理论 不确定 稳健性 抗震设计
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单层球面网壳结构抗震性能研究 被引量:6
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作者 陈军明 陈应波 吴代华 《空间结构》 CSCD 2001年第4期30-36,共7页
本文研究了单层网壳结构地震响应的计算理论和计算方法。以 K8型单层球面网壳为研究对象 ,得出了单层网壳在水平地震作用和竖向地震作用下的力学响应特性的一些重要结论。进一步针对地震响应的主要影响参数 ,如结构几何参数、边界刚度... 本文研究了单层网壳结构地震响应的计算理论和计算方法。以 K8型单层球面网壳为研究对象 ,得出了单层网壳在水平地震作用和竖向地震作用下的力学响应特性的一些重要结论。进一步针对地震响应的主要影响参数 ,如结构几何参数、边界刚度、阻尼比等 ,对单层球面网壳地震响应规律作了系统的研究 ,并提出了对单层网壳结构抗震设计有应用价值的结论和建议。 展开更多
关键词 单层网壳 地震响应 计算理论 参数分析 抗震设计
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多阶段抗震设计理论与实践研究 被引量:1
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作者 燕斌 杜修力 +2 位作者 韩强 贾俊峰 田浩 《地震工程与工程振动》 CSCD 北大核心 2013年第5期241-246,共6页
基于桥梁抗震设计基本原则,兼顾静力设计要求,提出了多阶段抗震设计理论,并采用多阶段抗震装置加以实现。以连续梁桥为例,应用多阶段抗震设计理论,分别采用预载弹簧阻尼装置(PSDD)和拉索减震支座(CFAB)进行抗震性能分析,并与不设置多阶... 基于桥梁抗震设计基本原则,兼顾静力设计要求,提出了多阶段抗震设计理论,并采用多阶段抗震装置加以实现。以连续梁桥为例,应用多阶段抗震设计理论,分别采用预载弹簧阻尼装置(PSDD)和拉索减震支座(CFAB)进行抗震性能分析,并与不设置多阶段抗震装置情况的地震响应进行了对比。分析结果表明:多阶段抗震设计理论指出桥梁在不同阶段应采用不同的验算方法,统一了静力、动力设计;在大震作用下,PSDD依靠降低结构刚度、增加结构阻尼来降低传至上部结构的地震作用,CFAB依靠支座摩擦降低传至上部结构的地震作用,两种装置均可使桥梁其余构件按强度进行设计,简化了桥梁设计。 展开更多
关键词 桥梁工程 多阶段抗震设计理论 非线性动力时程分析 多阶段抗震装置 抗震性能
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基于性能的钢结构抗震设计理论与方法 被引量:8
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作者 彭观寿 高轩能 《钢结构》 2007年第1期49-54,共6页
在综述基于性能的抗震设计理论的发展过程基础上,结合《建筑工程抗震性态设计通则》(CECS160∶2004)(试用)的相关规定,对基于性能的钢结构抗震设计理论、方法、抗震构造措施和存在的问题进行介绍,并对我国钢结构抗震设计理论研究的发展... 在综述基于性能的抗震设计理论的发展过程基础上,结合《建筑工程抗震性态设计通则》(CECS160∶2004)(试用)的相关规定,对基于性能的钢结构抗震设计理论、方法、抗震构造措施和存在的问题进行介绍,并对我国钢结构抗震设计理论研究的发展方向进行探讨。 展开更多
关键词 抗震性态设计 钢结构 抗震设计理论 抗震构造
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现代抗震设计理论的发展过程 被引量:41
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作者 谢礼立 马玉宏 《国际地震动态》 2003年第10期1-8,共8页
介绍了现代抗震设计理论的发展过程,基于性态的抗震设计理论的提出背景、发展情况及研究内容;详细介绍了基于性态的抗震设计理论的抗震设防方法;指出了基于性态的抗震设计理论与传统抗震设计理论的主要区别及特点。
关键词 抗震设计 抗震设防 地震动 性态
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