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  • 标题:Nominal Moment Capacity of Box Reinforced Concrete Beams Exposed to Fire
  • 本地全文:下载
  • 作者:Hakan Erdem
  • 期刊名称:Turkish Journal of Engineering and Environmental Sciences
  • 印刷版ISSN:1300-0160
  • 电子版ISSN:1303-6157
  • 出版年度:2009
  • 卷号:33
  • 期号:01
  • 出版社:Scientific and Technical Research Council of Turkey
  • 摘要:

    The performance of steel reinforced concrete (RC) beams with a box cross section exposed to fire is studied. The cross-section is divided into an appropriate number of segments so that non-uniform temperature profiles and variations of constitutive relationships across the section can be represented accurately. The temperature distribution in the cross-section is calculated by the finite difference method. The nominal moment capacity of RC beam is obtained using equilibrium of forces in the segments of beam. Advantage of circulating cold water and cover concrete on the nominal moment capacity under fire is examined. Results obtained by the prepared computer program were found to predict the fire resistance and performance of RC box beams well

  • 关键词:Fire; reinforced concrete; nominal moment capacity; beam; box section; cover concrete.
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