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The formula to estimate the concrete temperature from mixing to placing on hot weather concreting is shown in JASS 5. Although the coefficient pin the formula is requested to be measured at every mix ...proportion on each ready-mixed concrete plant, there is a few data. In this study, experiments were carried out at the ready-mixed concrete plants in Fukuoka, Kumamoto and Miyakonojo comparing the type and capacity of the mixer, mix proportion of concrete, season, etc. Therefore, the β was mainly affected by the mixing period, and was about 2.0 to 2.5℃ at ordinary-type concrete mixed in about 40 seconds.続きを見る
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Mendeley出力
jaud22_p161