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RISSession VIII Summary: Assessment
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The working group took its objective to be the formulation of a set of research and development recommendations for assessment of aging energy systems. The material discussed in every session ...
Seismic Hazard Analysis of Nonlinear Structures. II: Applications
Publisher: American Society of Civil Engineers
Abstract: In a companion paper, a methodology for the direct computation of the annual seismic risk of postelastic damage in realistic, nonlinear, multi‐degree‐of‐freedom structures was developed. This methodology makes use of the ...
Seismic Hazard Analysis of Nonlinear Structures. I: Methodology
Publisher: American Society of Civil Engineers
Abstract: Conventional seismic hazard analysis methodology is generalized to estimate directly the annual seismic risk of exceeding a specified level of postelastic damage in real structures. The procedure makes use of empirical ...
Direct Estimation of Seismic Demand and Capacity of Multidegree-of-Freedom Systems through Incremental Dynamic Analysis of Single Degree of Freedom Approximation1
Publisher: American Society of Civil Engineers
Abstract: Introducing a fast and accurate method to estimate the seismic demand and capacity of first-mode-dominated multidegree-of-freedom systems in regions ranging from near-elastic to global collapse. This is made possible by ...
Effects of Connection Fractures on SMRF Seismic Drift Demands
Publisher: American Society of Civil Engineers
Abstract: A central portion of an extensive investigation into the effects of beam-column connection fractures on seismic interstory drift demands for steel moment-resisting frame (SMRF) structures is summarized. Nonlinear dynamic ...
Predicting the Long Term Distribution of Extreme Loads From Limited Duration Data: Comparing Full Integration and Approximate Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, we present a methodology for proceeding from the short-term observations of extreme loads to the long-run load distribution of these extreme events, for both flap and edge loading ...
Load Combinations and Clustering Effects
Publisher: American Society of Civil Engineers
Abstract: The probability of a first‐excursion failure under individual and combined loading is estimated. First‐order results and upper bounds are constructed from the probability density and mean upcrossing rate functions of each ...
Extremes of Gaussian Processes with Bimodal Spectra
Publisher: American Society of Civil Engineers
Abstract: An approximate solution is developed for the extreme‐value distribution of a stationary Gaussian process with a spectral density function that exhibits two well‐separated modes. Processes of this type arise in the analysis ...
Three Proposals for Characterizing MDOF Nonlinear Seismic Response
Publisher: American Society of Civil Engineers
Abstract: This paper reviews, compares, and contrasts the three methodologies proposed by C. A. Cornell, by Y. K. Wen, and by FEMA 273 (as proposed by H. Krawinkler) for predicting the postelastic response of buildings subject to ...