Given the four concrete mixes as shown in the table below, one without water reducers and three (c1-c3) with water reducer. The most economic mix where the workability and compressive strength maintained as for the original mix (the mix without water reducers) is With water Reducer Without water Reducer C1 C2 C3 Cement, Kg/m3 850 765 850 850 Water, Kg/m3 465 419 370 465 Slump, mm 50 S1 50 S2 Compressive Strength (MPa) 38 fc1 fc2 fc3 Select one: O A. C3 О В. С2 О С.С1 O D. C1 and C2

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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Given the four concrete mixes as shown in the table below, one without water
reducers and three (c1-c3) with water reducer. The most economic mix where
the workability and compressive strength maintained as for the original mix
(the mix without water reducers) is
With water Reducer
Without water
Reducer
C1
C2
C3
Cement, Kg/m3
850
765
850
850
Water, Kg/m3
465
419
370
465
Slump, mm
50
S1
50
S2
Compressive Strength (MPa)
38
fc1
fc2
fc3
Select one:
O A. C3
О В. С2
О С.С1
O D. C1 and C2
Transcribed Image Text:Given the four concrete mixes as shown in the table below, one without water reducers and three (c1-c3) with water reducer. The most economic mix where the workability and compressive strength maintained as for the original mix (the mix without water reducers) is With water Reducer Without water Reducer C1 C2 C3 Cement, Kg/m3 850 765 850 850 Water, Kg/m3 465 419 370 465 Slump, mm 50 S1 50 S2 Compressive Strength (MPa) 38 fc1 fc2 fc3 Select one: O A. C3 О В. С2 О С.С1 O D. C1 and C2
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