Suppose that the following mix design was obtained at the lab before making any field adjustments for aggregate moisture content: kg/m³ Cement 307.4 | 43.5 Fly ash Water | Coarse aggregate (SSD) | 1019.7 Fine aggregate (SSD) 193 781.1 Further suppose that the aggregates have the following properties: |(by mass) Coarse aggregate Fine aggregate Absorption Capacity 0.5 % Moisture Content 0.3 % 0.9 % 1.3 % a) Determine the moisture state of the coarse and fine aggregates. (i.e. wet, SSD, or air dry) b) Calculate the field mix design weights (show your calculations): Field kg/m³ Cement Fly ash Water ? Coarse aggregate (SSD) Fine aggregate (SSD) ?
Suppose that the following mix design was obtained at the lab before making any field adjustments for aggregate moisture content: kg/m³ Cement 307.4 | 43.5 Fly ash Water | Coarse aggregate (SSD) | 1019.7 Fine aggregate (SSD) 193 781.1 Further suppose that the aggregates have the following properties: |(by mass) Coarse aggregate Fine aggregate Absorption Capacity 0.5 % Moisture Content 0.3 % 0.9 % 1.3 % a) Determine the moisture state of the coarse and fine aggregates. (i.e. wet, SSD, or air dry) b) Calculate the field mix design weights (show your calculations): Field kg/m³ Cement Fly ash Water ? Coarse aggregate (SSD) Fine aggregate (SSD) ?
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:Suppose that the following mix design was obtained at the lab before making any
field adjustments for aggregate moisture content:
kg/m³
Cement
307.4
| 43.5
Fly ash
Water
| Coarse aggregate (SSD) | 1019.7
Fine aggregate (SSD)
193
781.1
Further suppose that the aggregates have the following properties:
|(by mass)
Coarse aggregate
Fine aggregate
Absorption Capacity
0.5 %
Moisture Content
0.3 %
0.9 %
1.3 %
a) Determine the moisture state of the coarse and fine aggregates. (i.e. wet, SSD, or air dry)
b) Calculate the field mix design weights (show your calculations):
Field
kg/m³
Cement
Fly ash
Water
?
Coarse aggregate
(SSD)
Fine aggregate (SSD)
?
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