Paper Title:
Fire Behaviors of Restrained RC Beams with Slab
  Abstract

Using the computer program SAFIR, the behaviors of restrained reinforced concrete (RC) beams with slab exposed to ISO834 standard fire are analyzed. The influences of three parameters (i.e., width of slab, axial restraint stiffness ratio, and rotational restraint stiffness ratio) on the beams’ behaviors in fire are investigated. Simulation results show that: (a) the axial force in the slab is much larger than that in the beam on the whole; (b) after 0.5 hour of heating the axial force in the slab decreases gradually with an increasing of the slab width ranging from 1.0 m to 2.5 m, but the influence of the slab width ranging from 1.0 m to 2.5 m on the axial force in the beam is limited; and (c) the effect of the rotational restraint stiffness ratio on the axial force in the beam/slab is very limited, but the beam’s peak hogging moment increases gradually with an increasing of the rotational restraint stiffness ratio.

  Info
Periodical
Advanced Materials Research (Volumes 163-167)
Edited by
Lijuan Li
Pages
1445-1450
DOI
10.4028/www.scientific.net/AMR.163-167.1445
Citation
G. H. Tang, B. Wu, "Fire Behaviors of Restrained RC Beams with Slab", Advanced Materials Research, Vols. 163-167, pp. 1445-1450, 2011
Online since
December 2010
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Price
$32.00
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