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Founded in 1904 and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design, construction, and materials, who share a commitment to pursuing the best use of concrete.
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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Investigation, Assessment and Repair of Fire Damaged Pre-Stressed Concrete (PSC) Beams
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Abstract:Fire damage to bridges is not a frequent occurrence compared to fire in domestic, commercial or industrial buildings or domestic houses. Whereas a fire in a building can be fuelled and maintained by an abundance of combustible materials, a fire on a bridge being an outdoor structure may be the result of a vehicle accident, particularly involving flammable materials or burning rubber tyres from overturned vehicles. Although the severity of fire damage on bridge components may not be as severe as in buildings, it can nevertheless cause significant disruption to the operation of a bridge and the travelling public, depending on the extent and severity of damage and whether pre-stressing steel is involved. Immediate safety measures may include totally or partially closing down a bridge in association with reduced speed limits as part of an overall traffic management response, posting a load limit or placing netting to collect fragments of spalling concrete. This paper presents the investigation, assessment and proposed repair of two large fire damaged pre-stressed concrete (PSC) beams on a significant multi-span bridge on a major freeway northeast of Melbourne.
Concrete Institute of Australia, International Partner Access.
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