Assessment of Load Carrying Capacity for Concrete Rectangle Section Simple Beam Subjected to Fire

Gang Zhang; Shuan Hai He; Hong Jun Guo

doi:10.4028/www.scientific.net/AMM.204-208.2841

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Assessment of Load Carrying Capacity for Concrete...

Assessment of Load Carrying Capacity for Concrete Rectangle Section Simple Beam Subjected to Fire

Abstract:

The assessment method of load carrying capacity for concrete rectangle section simple beam subjected to fire was presented. Comprehensively considering influencing parameters, load carrying capacity for reinforced concrete rectangle section simple beam was analyzed in a fire hazard by using numerical simulation program. A series of safety assessment regularities for the reinforcement pieces was put forward subjected to fire. The studied results indicate that: the ultimate moment for reinforcement concrete beam bridge tends to decrease linearly after 40 minute, the fire resistance of the reinforcement concrete rectangle section simple beam increase linearly with the increment of the concrete cover thickness; Therefore, the increment of concrete protective thickness is effective to fire resistance and safety grade for the reinforcement concrete beam.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

2841-2845

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.2841

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Online since:

October 2012

Authors:

Gang Zhang, Shuan Hai He, Hong Jun Guo

Keywords:

Concrete Simple Beam, Fire, Load Carrying Capacity

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