Answer Posted / harshal.s.khode
The process of selecting suitable ingredients of concrete
and determining their relative amounts with the objective
of producing a concrete of the required, strength,
durability, and workability as economically as possible, is
termed the concrete mix design.
Requirements of concrete mix design
The requirements which form the basis of selection and
proportioning of mix ingredients are :
a ) The minimum compressive strength required from
structural consideration
b) The adequate workability necessary for full compaction
with the compacting equipment available.
c) Maximum water-cement ratio and/or maximum cement content
to give adequate durability for the particular site
conditions
d) Maximum cement content to avoid shrinkage cracking due
to temperature cycle in mass concrete.
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