A networked structural laboratory system NetSLab has been developed for shared use of laboratory facilities and computing resources. The NetSLab consists of a network based communication platform and a series of hybrid testing programs. In this paper, a hybrid testing program for simulating seismic responses of composite frame structures with buckling restrained braces has been developed. The entire frame structure is simplified as a multi-degree-of-freedom model and only the relationship between story shear force and story drift is considered. The hybrid testing program consists of three types of modules, namely control center, physical tester, virtual tester. Control center organizes testing procedure and handles numerical integration. Physical tester and virtual tester generate restoring forces of substructures using actual testing equipment or numerical simulation. The substructure tested can be any continuous multi-story or a single brace taken from the entire frame structure. A serial port communication method is utilized to transfer request and feedback data between physical tester and the control computer of Popwil electro-hydraulic servo system. A series of virtual and physical hybrid tests of composite frame structures with buckling restrained braces under earthquake excitations were carried out. The results validated the reliability of the testing program.


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    Title :

    A NetSLab Based Hybrid Testing Program for Composite Frame Structures with Buckling Restrained Braces


    Contributors:


    Publication date :

    2013


    Size :

    6 Seiten




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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