The results of an experiment to evaluate the effects of a water reducer are shown in Table P6.32. 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.
The results of an experiment to evaluate the effects of a water reducer are shown in Table P6.32. 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
The results of an experiment to evaluate the effects of a water reducer are
shown in Table P6.32.
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 P6.32
With Water Reducer
Without Water
Reducer
Case 1
Case 2
Case 3
Cement content, lb/yd³
Water content,* lb/yd³
735
735
735
662
368
368
294
331
Slump, inches
2
4
2
2
28-Day compressive strength, psi
4,100
4,105
5,055
4,104
*Assume that the water content is above the saturated surface-dry (SSD) condition of the aggregate.
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