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Volume 38 Issue 4
Dec.  2014
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Lu Qinxian, Hu Di. STRESS OF REINFORCEMENT IN REINFORCED CONCRETE FLEXURAL MEMBERS WITH CONTROLLED CRACK WIDTH[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 46-49. doi: 10.13204/j.gyjz200804013
Citation: Lu Qinxian, Hu Di. STRESS OF REINFORCEMENT IN REINFORCED CONCRETE FLEXURAL MEMBERS WITH CONTROLLED CRACK WIDTH[J]. INDUSTRIAL CONSTRUCTION, 2008, 38(4): 46-49. doi: 10.13204/j.gyjz200804013

STRESS OF REINFORCEMENT IN REINFORCED CONCRETE FLEXURAL MEMBERS WITH CONTROLLED CRACK WIDTH

doi: 10.13204/j.gyjz200804013
  • Received Date: 2007-06-12
  • Publish Date: 2008-04-20
  • After the influencing factors on crack width in reinforced concrete members are analyzed, the formulas to calculate the limited stress of reinforcement to control the crack width are derived, and the succinct formulas of computing allowable stress of reinforcement are put forward by considering the maximum crack width and typical values of influencing factors, also the charts can be made. The control of crack width will be achieved if the stress is less than the allowable value, thus avoid calculating the crack width under service load. An example is used to compare and analysis theoretical results obtained from various codes.
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    江见鲸. 混凝土结构工程学. 北京: 中国建筑工业出版社, 1998:237-255
    [3] JTG D62-2004 公路钢筋混凝土和预应力混凝土桥涵设计规范
    [4] TB 10002. 3-2005 铁路桥涵钢筋混凝土和预应力混凝土结构设计规范
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    [6] AASHTO LRFD Bridge Design Specificat ion (2nd Edition ). American Association of State Highway and Transportation Off icials. Washington D.
    C., 1998
    [7] Gergely P, d Lut z L A. Maximum Crack Width in Reinforced Concrete Flexural Members. see Gergely P, d Lut z L A. Causes, Mechanism, and
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    [9] Darwin D, et. al. Debat e: Crack Width, Cover, and Corrosion.Concrete International, 1985, 8(5) : 20-35
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