PermeablevoidSolid(a)Impermeablevoids(b)-Moisture(c)S(d)FIGURE 5.9 Voids and moisture absorption of aggregates: (a) bone dry, (b) airdry, (c) saturated surface-dry (SSD), and (d) moist. 5.6Define the following terms:a. Saturated surface-dry condition of aggregatesb. Absorption of aggregatesc. Free water on aggregatesd. Referring to Figure 5.9, which portion of the water in the aggregate reactswith the cement in the PCC mix?

Answered: Define the following terms: a.…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Permeable
void
Solid
(a)
Impermeable
voids
(b)
-Moisture
(c)
S
(d)
FIGURE 5.9 Voids and moisture absorption of aggregates: (a) bone dry, (b) air
dry, (c) saturated surface-dry (SSD), and (d) moist.

5.6
Define the following terms:
a. Saturated surface-dry condition of aggregates
b. Absorption of aggregates
c. Free water on aggregates
d. Referring to Figure 5.9, which portion of the water in the aggregate reacts
with the cement in the PCC mix?

Expert Solution

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Aggregates are inert materials such as sand, gravel, crushed stone, and recycled concrete that are combined with cement paste to form concrete. They make up approximately 60-80% of the volume of concrete and play a critical role in its strength and durability. Aggregates provide bulk, stability, and resistance to wear, impact, and volume changes caused by moisture and temperature variations. They can be classified based on their size, shape, texture, and density and should be carefully selected, tested, and proportioned to achieve the desired properties and performance of the concrete.

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