kg/m3; Q – heat of hydration (heat
evolution), kJ/m3; α –
factor of linear
temperature expansion.
Age, days
Fig.6.4. Heat evolution at hydration
of compounds of cement clinker
115
The normalized heat evolution (kJ/m3) for massive concrete structures can
be determined from a condition of limitation of concrete temperature to the
certain age of hardening by the following:
Cρ
Q =
(t
t
),