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A fracture critical bridge is a bridge or similar span that is vulnerable to collapse of one or more spans as a result of the failure in tension of a single element. While a fracture critical design is not considered unsafe, it is subject to special inspection requirements that focus on the tension elements of its structure.
The NBI can classify bridges as "structurally deficient," which means that the condition of the bridge includes a significant defect, which often means that speed or weight limits must be put on the bridge to ensure safety; a rating of 4 or lower on any of items 58, 59, 60, or 62 (deck, superstructure, substructure, and culverts, respectively ...
Bridge over the West Morava river that led to a monastery collapsed while a group of tourists was walking over it. [172] No one was found guilty. [173] Julto Pul: Morbi, Gujarat: India 30 October 2022: Suspension bridge 141+ killed, 100+ injured Bridge had been reopened four days earlier, following repairs. Espoo bridge collapse Espoo: Finland ...
Bridges such as the one in Baltimore are classified as "fracture critical" by the federal government - meaning that if one portion of the bridge collapses, it's likely to take down the rest of the ...
A structure without redundancy is called fracture-critical, meaning that a single broken component can cause the collapse of the entire structure. Bridges that failed due to lack of redundancy include the Silver Bridge and the Interstate 5 bridge over the Skagit River. Parallel and combined systems demonstrate different level of redundancy.
Cable-stayed bridge and Suspension bridge: 1,408 m (4,619 ft) Yavuz Sultan Selim Bridge, [2] Istanbul: Cantilever bridge: 549 m (Quebec bridge) 1042.6 m (Forth Bridge) Cantilever spar cable-stayed bridge: Clapper bridge: Covered bridge: Girder bridge: Continuous span girder bridge Integral bridge: Extradosed bridge: 1,920 m Arrah–Chhapra ...
Structural fracture mechanics is the field of structural engineering concerned with the study of load-carrying structures that includes one or several failed or damaged components.
The bridge was a steel through-truss bridge with a "fracture-critical" design that has non-redundant load-bearing beams. An impact of the oversize load to multiple sway braces was enough to damage load-bearing members and caused a span to be collapsed, resulting in vehicles falling down to the river with three minor injuries.