Abstract Demand and capacity factor design is a probability-based safety-checking framework for performance-based design and evaluation of structures during earthquake. In this study, the confidence levels of special and intermediate steel moment frames are investigated on Immediate Occupancy (IO) and Collapse Prevention (CP) structural performance levels. For this aim, four, six, eight and ten-story special and intermediate steel moment frames are designed. The seismic performances of frames are evaluated using estimation of demand and capacity factor. The OpenSees software is used for detailed modeling of frames and both of geometrical and material nonlinearities and behavior of connections are considered at them. The nonlinear Incremental Dynamic Analysis (IDA) is performed using ten ground motion records both of epistemic and randomness uncertainties are considered in calculation of confidence levels. Results reveal that at the IO and CP performance levels, the special moment frames are more reliable in comparison with intermediate moment frames.


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    Title :

    Comparison of Seismic Reliability and Risk Assessment for Special and Intermediate Steel Moment Frames


    Contributors:

    Published in:

    Publication date :

    2018-05-15


    Size :

    10 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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