A numerical approach for modeling the fire induced restraint effects in reinforced concrete beams

被引：85
|
作者：
Dwaikat, M. B. [1 ]
Kodur, V. K. R. [1 ]
机构：
[1] Michigan State Univ, E Lansing, MI 48824 USA
来源：
FIRE SAFETY JOURNAL | 2008年 / 43卷 / 04期
关键词：
fire resistance; computer program; fire induced restraint; high temperature; high-strength concrete; reinforced concrete beams; spalling; numerical model;
D O I：
10.1016/j.firesaf.2007.08.003
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In this paper, a model to predict the influence of fire induced restraints on the fire resistance of reinforced concrete (RC) beams is presented. The three stages, associated with the fire growth, thermal and structural analysis, for the calculation of fire resistance of the RC beams are explained. A simplified approach to account for spalling under fire conditions is incorporated into the model. The validity of the numerical model is established by comparing the predictions from the computer program with results from full-scale fire resistance tests. The program is used to conduct two case studies to investigate the influence of both the rotational and the axial restraint on the fire response of the RC beams. Through these case studies, it is shown that the restraint, both rotational and axial, has significant influence on the fire resistance of the RC beams. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：291 / 307
页数：17
相关论文
共 50 条
  • [1] Effect of Fire Induced Restraint on Fire Resistance of Reinforced Concrete Beams
    Kodur, Venkatesh K. R.
    Dwaikat, Monther B.
    JOURNAL OF STRUCTURAL FIRE ENGINEERING, 2010, 1 (02) : 73 - 88
  • [2] Effect of fire-induced restraint forces on fire behavior of reinforced and prestressed concrete beams
    Kumar, Puneet
    Kodur, Venkatesh K. R.
    ENGINEERING STRUCTURES, 2023, 275
  • [3] NUMERICAL MODELING OF THE CORROSION EFFECTS ON REINFORCED CONCRETE BEAMS
    Finozzi, I. B. N.
    Berto, L.
    Saetta, A.
    Budelmann, H.
    11TH WORLD CONGRESS ON COMPUTATIONAL MECHANICS; 5TH EUROPEAN CONFERENCE ON COMPUTATIONAL MECHANICS; 6TH EUROPEAN CONFERENCE ON COMPUTATIONAL FLUID DYNAMICS, VOLS II - IV, 2014, : 880 - 891
  • [4] Modeling of Reinforced Concrete Beams Exposed to Fire by Using a Spectral Approach
    Sun, Rui
    Xie, Bo
    Perera, Ricardo
    Pan, Yongjun
    ADVANCES IN MATERIALS SCIENCE AND ENGINEERING, 2018, 2018
  • [5] Diagonally Reinforced Concrete Coupling Beams: Effects of Axial Restraint
    Poudel, Ashwin
    Ameen, Shahedreen
    Lequesne, Remy D.
    Lepage, AndrOs
    ACI STRUCTURAL JOURNAL, 2021, 118 (06) : 293 - 304
  • [6] Fire-induced spalling in reinforced concrete beams
    Kodur, Venkatesh
    Dwaikat, Monther
    PROCEEDINGS OF THE INSTITUTION OF CIVIL ENGINEERS-STRUCTURES AND BUILDINGS, 2012, 165 (07) : 347 - 359
  • [7] A numerical model for predicting the fire resistance of reinforced concrete beams
    Kodur, V. K. R.
    Dwaikat, M.
    CEMENT & CONCRETE COMPOSITES, 2008, 30 (05): : 431 - 443
  • [8] Numerical modeling of reinforced concrete continuous deep beams
    Rodriguez, G.
    Bonilla, J.
    Hernandez, J.
    REVISTA INGENIERIA DE CONSTRUCCION, 2016, 31 (03): : 163 - 174
  • [9] Finite element modeling of reinforced concrete beams exposed to fire
    Gao, W. Y.
    Dai, Jian-Guo
    Teng, J. G.
    Chen, G. M.
    ENGINEERING STRUCTURES, 2013, 52 : 488 - 501
  • [10] A numerical approach for calculating the mechanical performance of the fire-damaged reinforced concrete continuous beams
    Lu, Zhoudao
    Chai, Jifeng
    Yu, Jiangtao
    Tongji Daxue Xuebao/Journal of Tongji University, 2015, 43 (01): : 16 - 26
12345