by Under normal circumstances, the most common damage to large-span rigid frame arches is cracks at the chord members and rigid nodes, which are commonly found in rigid frame arch bridges with defects.
However, for reinforced concrete components, as long as the crack width does not exceed the specified allowable value, it can still be considered in normal use.
Although many homeowners currently oppose the construction of new rigid frame arch bridges, through the analysis of the causes of diseases, we should objectively evaluate their bearing capacity and performance.
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