Design of Normal Concrete Mixes Second Edition
1 Introduction
Basically, the problem of designing a concrete mix
consists of selecting the correct proportions of cement,
fine and coarse aggregate and water to produce concrete
having the specified properties. Sometimes additional
ingredients such as ground granulated blastfurnace slag
(ggbs), pulverised-fuel ash (pfa), or admixtures, are used
as shown in Part three. There are many properties of
concrete that can be specified, eg workability, strength,
density, thermal characteristics, elastic modulus and
durability requirements. The properties most usually
specified are:
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