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Safety and Reliability of Structures, Infrastructures and EngineeringSystems 1

2009年

作者： DanM.Frangopol masanobushinozuka. editorsHitoshiFuruta

ISBN: (纸本)9780415475570

This is a set of books of abstracts and searchable full paper CD-ROM dealing with every aspect of safety and reliability of structures and civil engineering systems. A special focus has been on advanced technologies, analytical and computational methods of risk analysis, probability-based design and regulations, smart systems and materials, life cycle cost analysis, damage assessment, social aspects, urban planning, and commercial applications. Moreover, emerging concepts and novel applications of reliability principles in all types of structural systems and mechanical components are included. Technologies discussed can be applied in civil, marine, mechanical, transportation and aerospace systems. Containing unique knowledge, ideas and insights, this set of books of abstracts and searchable, full paper CD-ROM is must-have literature for researchers and practitioners involved with structural engineering safety.

关键词： Structural design Structural stability Reliability (Engineering)

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Fragility curves of concrete bridges retrofitted by column jacketing

引用

Earthquake Engineering and Engineering Vibration 2002年第2期1卷 195-205页

作者： masanobushinozuka.Sang-HoonKim Shigeru Kushiyama Jin-Hak Yi Civil & Envir Eng.Dept.Univ.of California IrvineCaliforniaU.S.A. Architecture Dept. Faculty of EngHokkai-Gakuen University.Japan Civil & Envir.Eng.Dept. Univ.of CaliforniaIrvineCaliforniaU.S.A.

The Northridge earthquake inflicted various levels of damage upon a large number of Caltrans' bridges not retrofitted by column *** this respect,this study represents results of fragility curve development for two (2) sample bridges typical in southern California,strengthened for seismic retrofit by means of steel jacketing of bridge *** Carlo simulation is performed to study nonlinear dynamic responses of the bridges before and after column *** curves in this study are represented by lognormal distribution functions with two parameters and developed as a function of *** sixty (60) ground acceleration time histories for the Los Angeles area developed for the Federal Emergency Management Agency (FEMA) SAC (SEAOC-ATC CUREe) steel project are used for the dynamic analysis of the bridges. The improvement in the fragility with steel jacketing is quantified by comparing fragility curves of the bridge before and after column *** this first attempt to formulate the problem of fragility enhancement,the quantification is made by comparing the median values of the fragility curves before and after the *** the hypothesis that this quantification also applies to empirical fragility curves developed on the basis of Northridge earthquake damage,the enhanced version of the empirical curves is developed for the ensuing analysis to determine the enhancement of transportation network performance due to the retrofit.

关键词： fragility curves concrete bridges retrofit column jacketing nonlinear dynanlic analysis ductility

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