This paper examines cracks which occurred at the re-entrant corners at the dapped ends of bulb tee girders used on the MIA Mover APM System at Miami International Airport. Cracks were initially identified during load testing at the precast yard, although typically they did not occur until the beams were erected. The load test and crack mechanism is described herein. Post-erection cracking is compared with that observed under load test conditions and differences are discussed. FDOT criteria were applied in determining the appropriate protection strategy.


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    Title :

    Re-Entrant Corner Cracking on Bulb Tees on the Miami Airport MIA Mover APM System Project


    Contributors:

    Conference:

    13th International Conference on Automated People Movers and Transit Systems ; 2011 ; Paris, France



    Publication date :

    2011-11-30




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English





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