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>> Get Priceconcrete volume. C. Preparation Specimens and Test Methods. Standard 150mm cubes were used to determine compressive strength at ages 7 and 28 days.
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>> Get PriceThe compressive strength is measured by breaking cylin- drical concrete specimens in a compression-testing machine. The compressive strength is calculated
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>> Get Priceconcrete compressive strength based on measured acceleration using Artificial of a cube was struck with an impactor and induced acceleration reading at six
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