LCA Part1 Select an appropriate scenario.docx

LCA Part1 Select an appropriate scenario.docx - Mohammed...

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Mohammed Alhumidiaherz Craig Johnson MET 351 3 rd April 2019 LCA Part One: Defining a Part in a Large System and its Related Critical Material The system considered in this analysis is the Florida Pedestrian Bridge. The bridge was built from precast concrete pieces put together within hours over a road way frequented by students before proper tests were done. The bridge was meant to be an illustration of advanced construction technology. The bridge incorporated titanium oxide and impregnated self-cleaning concrete that would also shine white in the Florida sun. It was also designed to survive a category five hurricane and last at least a century. One of the key elements that was supposed to hold the bridge in place and help it carry imposed stresses was a concrete brace. The concrete brace in the form of a diagonal strut was meant to bear forces due to weight of the bridge, loading due to use and any additional forces resulting from placement of the precast units. This strut had a joint, which become its point of weakness, and this is where cracking
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  • Winter '19
  • Bruce Palmquist
  • Road, Precast concrete, Florida Pedestrian Bridge, precast concrete pieces, form of a diagonal strut

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