Perubahan kekuatan mampatan konkrit muda terhadap amplitud relatif gelombang ultrasonik
Grade 20 and 30 of young concrete paste with water-cement ratios 0.5 and 0.6 have been studied using ultrasonic wave. The young concrete paste ages between one day and 28 days have been tested with an ultrasonic combined method. Relative amplitude of pressure wave, amplitude A and velocity Vp of...
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| Format: | Article |
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2000
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