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Browsing by Author "Hale, W.M."

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Browsing by Author "Hale, W.M."

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    Measured Transfer Lengths of 0.7 in. (17.8 mm) Strands for Pretensioned Beams 
    Dang, C.N.; Floyd, R.W.; Hale, W. M; Martí Vargas, José Rocío (American Concrete Institute, 2016-01)
    [EN] The use of 0.7 in. (17.8 mm), Grade 270 (1860) prestressing strands has advantages over 0.5 and 0.6 in. (12.7 and 15.22 mm) strands. This study provides design guidelines for estimating transfer length of 0.7 in. (17.8 ...
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    Temperature Gradients in Bridge Concrete I-Girders under Heat Wave 
    Hagedorn, R.; Martí Vargas, José Rocío; Dang, C.N.; Hale, W.M.; Floyd, R.W. (American Society of Civil Engineers, 2019-08-01)
    [EN] This paper presents an experimental research work to determine temperature gradients in concrete bridge girders under natural environmental conditions. Three AASHTO Type I-girders having different configurations (with ...