6.33 The results of a laboratory experiment to evaluate the effects of a plasticizer are shown below. d. Using water reducer, how can we reduce cost without changing workability or strength? (Assume that the cost of the small amount of water reducer added is less than the cost of cement.) Refer to the appropriate case in the table. e. Summarize all possible effects of water reducers on concrete.
6.33 The results of a laboratory experiment to evaluate the effects of a plasticizer are shown below. d. Using water reducer, how can we reduce cost without changing workability or strength? (Assume that the cost of the small amount of water reducer added is less than the cost of cement.) Refer to the appropriate case in the table. e. Summarize all possible effects of water reducers on concrete.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
6.33 The results of a laboratory experiment to evaluate the effects of a plasticizer
are shown below.
d. Using water reducer, how can we reduce cost without changing workability or strength? (Assume that the cost of the small amount of water reducer added is less than the cost of cement.) Refer to the appropriate case in the table.
e. Summarize all possible effects of water reducers on concrete.
Transcribed Image Text:TABLE P6.33
With Water Reducer
Without Water Reducer Case 1 Case 2 Case 3
Cement content, kg/m
815
815
815
734
Water content,* kg/m³
446
446
355
402
Slump, mm
50
100
50
50
Compressive strength, MPa
37.8
38.0
46
37.9
*Assume that the water content is above the saturated surface-dry (SSD) condition of the aggregate.
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