After the Wenchuan earthquake, Chinese Code for Seismic Design of Buildings (GB50011-2010) adjusts some seismic design parameters. Taking into account the randomness of gravity load and earthquake action and the uncertainty of steel strength and concrete strength, this paper analyzes the reliability of seismic bearing capacity of reinforced concrete frame bottom columns. Based on the structural analysis software PKPM, which is in accordance with code for seismic design of buildings, the reliability index of seismic bearing capacity of reinforced concrete frame bottom columns is calculated by the Monte Carlo method with different parameters, such as different seismic intensity, different building storey number, different seismic adjustment coefficient (increment coefficient of frame columns end moment and increment coefficient of design value of combination moment of underlying frame columns lower end section), different horizontal span number, different column location (side column and interior column) and so on. The results indicate that the reliability index can reach 2.0 or above, and can meet the target requirements for all cases which are designed with the current code for seismic design of buildings (GB50011-2010).


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    Title :

    Parametric Reliability Analysis of the Seismic Bearing Capacity of Bottom Columns in Reinforced Concrete Frame Structure


    Contributors:


    Publication date :

    2012


    Size :

    5 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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