• Title/Summary/Keyword: dowel action, dowel bar, dowel force, concrete cover, reinforcing bar size, bar distance, shear resistance, regression analysis

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An Experimental Study on the Shear Resistance of Dowel Bars (장부철근의 전단저항에 대한 실험적 연구)

  • 신장호
    • Magazine of the Korea Concrete Institute
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    • v.7 no.6
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    • pp.216-223
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    • 1995
  • This research is aimed to investigate the influence of the structural parameters on dowel action of reinforcing bars in reinforced concrete members. I~ollowing the previous research, $^{(3.6)}$ a total of forty two specimens were tested to scrutinize the dowel action of reinforcing bars. Concrete cover, reinforcing bar size and bar distance were taken as main test variables for constant compressive strength of concrete. ]+om the test results, the structural behavior of all specimens was almost linear up to failure load. It is seen that dowel force increases as concrete cover increases. Reinforcing bar size and bar distance hardly affects dowel force. It is found that the dowel forces obtained by this experimental research is relatively close to that of regression analysis results and White's equation.