Phase 2 Project Summary
    Topical Investigations on System Performance
    Task Number: 5.4.3 

    Parametric Study on the Effect on Seismic Demands of Structural Configuration, Proportioning and Modeling 

    Principal Investigator: Helmut Krawinkler 
    Stanford University

        The objective of this task is to develop concepts and information needed to identify and predict local and global seismic demand parameters which have a significant effect on the seismic response of steel moment resisting frames. Several of the specific topics to be investigated in this task include: 

    o Evaluating the effect on seismic demands of locating plastic deformations in beams at the face of a connection, in beams away from the face of the connection, in panel zones, and in the columns of steel moment-resisting frames. 

    o Assessing the influence of configuration, redundancy and proportioning. 

    o Assessing the influence of various modeling approaches and refinements. 

    o Developing simplified procedures for estimation of local demands from limited information on the strength and stiffness of the structure and the spectral characteristics of the anticipated ground motion. 

    The detailed breakdown of the technical activities in this task are provided in the workstatement available here.

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