2) The expansion joint separation should not be used as a place for tolerance build-up from other construction activities. 3) The expansion joint gap should have a consistent width throughout. 12 Types of Loads Considered for Design of Bridge StructuresVarious types of loads are considered for design of bridge structures. These loads and their combinations decides the safety of the bridge construction during its use under all circumstances. The design loads should be considered properly for perfect design of bridge. Different design loads acting on bridges are explained below. Contents:Types of Loads for Design 
Fig:Semi-Through Section of a Concrete Slab Road Bridge. Superstructure Components of Bridges. The superstructure of the bridge structure consists of deck slab, girder, truss etc. These components vary based on the type of bridge (whether concrete or steel or composite). Superstructure of the bridge bears the load passing over it. Defect Tolerance for Cast Steel Connections in Braced Dec 12, 2012 · A study of defect tolerance for cast steel connections is therefore very important to prevent brittle fracture from weld defects or casting defects. This paper describes defect tolerances for cast steel connections in braced frames and explores the possibility of brittle fracture from assumed defects in typical cast steel connectors. Design for steel bridge construction - SteelConstructionfoTo ensure that a steel bridge design can be safely, economically and reliably executed (fabricated, assembled and erected), designers should be aware of the processes of fabrication and erection, the capabilities and limitations of the steelwork contractor and how the design choices affect those processes.This article provides guidance on design for construction:it generally follows the
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