heat of hydration of cement

H 3day= 240 (C3S) + 50 (C2S) +880 (c3A) + 290 (C4AF)
H1 yEAr = 490 (C3S) + 225 (C2S) + 1160 ( C3A) + 375 (c4AF)

ANS
Composition calculated earlier from table 3.3 , the values of H3days and H 1year are 265J/G and 473 J/G , respectively