In order to evaluate the sustainability of non-potable water available in the job site for mixing concrete, six standard mortar cubes were made using that water and six others using potable water. The cubes were tested for compressive strength after 7 days of curing and produced the loads to failure (in kN) shown in table below. Based on these results, would you accept that water for mixing concrete?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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In order to evaluate the sustainability of non-potable water available in the job site for mixing
concrete, six standard mortar cubes were made using that water and six others using potable
water. The cubes were tested for compressive strength after 7 days of curing and produced the
loads to failure (in kN) shown in table below.
Based on these results, would you accept that water for mixing concrete?
Cubes made with
Cubes made with
non-potable water
potable water
64.6
73.5
70.4
74.8
63.0
79.7
71.6
69.8
70.6
83.7
64.0
74.4
Transcribed Image Text:In order to evaluate the sustainability of non-potable water available in the job site for mixing concrete, six standard mortar cubes were made using that water and six others using potable water. The cubes were tested for compressive strength after 7 days of curing and produced the loads to failure (in kN) shown in table below. Based on these results, would you accept that water for mixing concrete? Cubes made with Cubes made with non-potable water potable water 64.6 73.5 70.4 74.8 63.0 79.7 71.6 69.8 70.6 83.7 64.0 74.4
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