Table 3.

The concrete specimen test results.

Concrete	Age (days)	Compressive Strength fc,cube	Static Elastic Modulus		Dynamic Elastic Modulus ED
			Initial ${\mathit{E}}_{\mathit{C},0}$	Stabilized ${\mathit{E}}_{\mathit{C},\mathit{S}}$
		(MPa)	(GPa)	(GPa)	(GPa)
M1, CEM I, natural aggregate	4	47.5	33.1	36.8	40.1
	7	52.7	34.1	37.7	41.3
	14	55.8	35.5	38.2	42.6
	21	57.2	35.4	38.5	43.2
	28	58.1	36.3	39.4	43.6
M2, CEM III, natural aggregate	4	27.3	25.3	27.8	34.7
	7	36.0	29.9	31.9	39.4
	14	45.1	33.9	36.2	42.3
	21	49.9	35.3	38.5	43.5
	28	52.5	38.2	39.1	43.9
M3, CEM I + metakaolin, natural aggregate	4	34.7	26.3	29.3	34.0
	7	41.5	30.2	32.7	37.9
	14	50.5	32.3	35.1	40.6
	21	52.2	33.7	36.8	41.8
	28	53.9	36.6	37.7	41.8
M4, CEM III, basalt aggregate	7	36.9	33.9	35.9	40.8
	14	51.5	39.8	41.2	44.3
	28	62.4	42.9	43.7	46.7
M5, CEM III, natural aggregate	7	40.4	29.3	31.9	37.6
	14	52.9	31.4	34.0	39.7
	28	64.6	35.4	37.3	42.1
M6, CEM I + silica fume, basalt aggregate	7	84.8	53.1	55.0	56.9
	14	98.3	56.6	59.3	60.3
	28	106.5	57.8	59.5	60.5