Collapsed Miami bridge was built using Accelerated Bridge Construction


The pedestrian bridge that collapsed at Florida International University in Miami on Thursday was built using Accelerated Bridge Construction (ABC) technology, according to a statement from the university. Unlike traditional methods of construction, ABC streamlines the building process so that bridge projects can be completed quicker and more cost effectively.



The FIU bridge which collapsed last week was engineered using Accelerated Bridge Construction (ABC), a method used by many companies for its time and cost efficiency. Weighing 950 tons, the bridge was meant to connect FIU's campus to an adjoining neighborhood where many students live. 

Of the many types of ABC technology, Prefabricated Bridge Elements and Systems (PBES) appears to be the method used in construction of the FIU bridge. This method allows prefabrication of elements off-site which are then transported and quickly assembled on site. 

A fact sheet on FIU's website relates the bridge cost $14.2 million to build and was funded by a $19.4 million grant from the US Department of Transportation. It was also apparently supposed to withstand a Category 5 hurricane and last more than 100 years. The bridge was designed by FIGG Bridge Engineers in Tallahassee and built by MCM in Miami.

Hope Daley via Archinect - News http://bit.ly/2pqTTrW

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