Question
a.
To increase the strength of concrete by reducing the water content and by densification of concrete
b.
To increase the durability of concrete to enhance its resistance to special conditions of exposure
c.
To increase the capillary flow of water through concrete and to increase its impermeability to liquids
d.
To control the alkali-aggregate expansion or alkali silica reaction
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Q. Which of the following statement is incorrect about the function of admixtures?
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