Question: please help 6.23 Three standard mortar cubes were made using nonpotable water available at tested for compressive strength after 7 days of curing and produced

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6.23 Three standard mortar cubes were made using nonpotable water available at tested for compressive strength after 7 days of curing and produced the failure loads in kips shown in Table P6.23. water and showed that the set time was 45 minutes more than the set time of The Vicat test was conducted on the cement paste made with the questionable paste made with potable water. Based on these results, would you accept that water for mixing concrete according to ASTM standards? Explain why. TABLE P6.23 Nonpotable Water Potable Water 16.9 15.8 16.4 16.6 18.7 17.4

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