Modeling of Compressive Strength Development of High-Early-Strength-Concrete at Different Curing Temperatures

International Journal of Concrete Structures and Materials

Table 3 Measured concrete strengths (S in MPa) at different values of T _max and t _eq.

Specimens		\( f_{cd}^{'} \) (MPa)	T _max (°C)	Equivalent ages, t _eq (h)
No.	Name	\( f_{cd}^{'} \) (MPa)	T _max (°C)	9		12		18		24		36		100		168
1	HCL20	30	20	0.2	0.3	0.6	0.6	7.0	8.4	16.1	14.2	21.5	22.1	35.4	29.2	34.7	34.5
2	HCL30	30	30	0.1	0.1	1.3	1.0	7.0	6.8	15.6	15.6	21.5	22.9	32.6	36	33.1	33.4
3	HCL40	30	40	1.5	1.5	3.8	4.3	10.7	10.8	16.6	16.3	20.0	20.2	28.1	30.5	32.8	33.6
4	HCL50	30	50	1.0	0.0	0.5	0.7	8.4	6.3	12.6	13.6	20.3	18.8	32.3	32.6	33.9	33.2
5	HCL60	30	60	0.4	0.4	1.9	2.8	10.1	9.9	15.8	15.9	20.1	20.8	29.1	30.9	32.6	32.8
6	HCM20	40	20	0.4	0.4	3.9	4.3	23.1	23.5	27.6	29.0	34.5	35.8	41.7	43.0	45.5	43.9
7	HCM30	40	30	1.6	1.7	7.8	7.5	20.1	17.5	21.8	24.5	28.1	31.2	39.1	38.6	43.8	42.2
8	HCM40	40	40	2.0	2.3	8.9	9.7	19.2	20.7	23.7	25.0	29.0	30.0	38.0	39.8	41.8	42.5
9	HCM50	40	50	1.1	1.1	6.4	6.3	17.6	18.0	23.1	25.8	25.9	26.2	41.6	39.1	42.8	42.9
10	HCM60	40	60	1.2	1.1	6.5	8.2	18.1	17.8	23.9	26.3	29.0	32.5	42.8	42.6	43.8	43.7
11	HCH20	50	20	0.9	1.0	9.8	10.8	28.2	27.8	34.3	33.9	39.3	39.8	50.5	53.3	56.7	57.0
12	HCH30	50	30	0.3	1.0	4.4	3.6	25.2	24.5	31.0	32.3	41.7	40.7	49.1	46.3	54.3	53.9
13	HCH40	50	40	0.2	0.4	1.3	1.4	21.5	21.4	28.0	30.0	37.0	37.5	47.2	47.2	51.5	53.8
14	HCH50	50	50	0.2	0.5	2.7	2.9	17.4	16.3	29.8	30.9	34.1	34.3	46.7	45.0	51.5	50.0
15	HCH60	50	60	0.5	0.4	3.3	3.1	16.1	20.1	27.2	28.5	34.1	34.2	41.0	42.0	50.8	51.3