20.2 ACI 209 Model Code

The ACI 209 Model Code [1] discerns cement types I and III and two curing methods: with moist or with steam. Table 20.2 gives the various coefficients to determine the material properties.

Table 20.2: COEFFICIENTS FOR ACI MODEL CODE

		Cement type		Curing	duration
		I	III		ts [days]
Strength	a	4.0	2.3	moist
		1.0	0.7	steam
	$\beta$	0.85	0.92	moist
		0.95	0.98	steam
Shrinkage	$\gamma_{{\mathrm{MC}}}^{}$	1.20		moist	1
		1.10		moist	3
		1.00		moist	7
		0.93		moist	14
		0.86		moist	28
		0.75		moist	90