Hidden Defects in Noncomposite Concrete Box Beam Bridges Katie Kitner 6/26/13 Noncomposite adjacent precast prestressed concrete box beam bridges were introduced in the 1950s as an economical and efficient bridge solution. Over time, issues arose as a result of oversights in the early design of these bridges. The collapse of an exterior beam of the Lake View Drive Bridge in Washington County, PA in 2005

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26 Νοε 2013 (πριν από 2 χρόνια και 11 μήνες)

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