Abstract:<p>Studies have shown that current bridge assessments are often overly conservative. In particular, engineers often use elastic analysis to predict the load at which a concrete slab bridge will fail in flexure and thus may grossly underestimate its ultimate capacity. This leads to bridges being unnecessarily strengthened or even rebuilt, creating wasteful expense and unsustainable use of resources.</p><p>Upper bound plastic „yield line‟ analysis is sometimes used to perform less conservative … Show more
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