Abstract
AbstractOver the lifetime of a bridge, traffic loads cause numerous stress-strain cycles within its components which in turn lead to the slow accumulation of damage in them. The rate of progression of this damage with time is affected by several human-induced and natural factors such as volume and type of traffic loads, environmental conditions, and maintenance practices. Traffic volume and truck weights have been steadily increasing with the growth and technical development of the freight industry. With increased truck weight limits being anticipated in the future, a detailed study of the potential detrimental effects of such increases, especially due to overweight trucks, on the durability of bridges has become necessary. In this paper, a computational approach is presented to assess the effect of different load-related and environmental factors on the durability of steel bridge components using detailed finite-element (FE) models that were calibrated using data from inspection reports of real bridges. ...
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