10/07/2021 · Likewise the crushing strength obtained by mixing 20% fly ash in cement concrete mix was highest after 7 days ( N/mm 2) but it was still lower than the crushing strength achieved by 5% as well as 10% fly ash in cement concrete mix (Table 1,2,3). The results thus clearly revealed that 5% mixing of fly ash was far more superior as compare to other two ratios however acceptable crushing ...
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