TABLE P6.22 Nonpotable Water Potable Water 70.3 75.2 73.0 83.2 73.8 77.4

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Three standard mortar cubes were made using nonpotable water available at
the job site, and three others were made using potable water. The cubes were
tested for compressive strength after 7 days of curing and produced the failure
loads in kN shown in Table P6.22.
The Vicat test was conducted on the cement paste made with the questionable
water and showed that the set time was 45 minutes more than the set time of
paste made with potable water. Based on these results, would you accept that
water for mixing concrete according to ASTM standards? Explain why.

TABLE P6.22
Nonpotable Water
Potable Water
70.3
75.2
73.0
83.2
73.8
77.4
Transcribed Image Text:TABLE P6.22 Nonpotable Water Potable Water 70.3 75.2 73.0 83.2 73.8 77.4
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