International Journal of Concrete Structures and Materials

Table 3 Test results for compressive strength of concrete.

From: Thermal and Mechanical Behaviors of Concrete with Incorporation of Strontium-Based Phase Change Material (PCM)

Mixture	7 day		28 day		91 day
Mixture	f_cu (MPa)	S.D. (MPa)	f_cu (MPa)	S.D. (MPa)	f_cu (MPa)	S.D. (MPa)
OPC	30.3	1.28	34.0	0.89	37.2	1.11
OPC + PCM	26.9	1.46	32.5	1.51	37.8	0.56
LHC	19.0	0.52	37.5	1.59	49.8	1.39
LHC + PCM	16.9	0.47	32.4	1.86	43.3	1.81
CBF	19.1	0.62	33.6	0.55	42.5	1.16
CBF + PCM	18.6	0.56	32.5	0.97	40.2	1.02

S.D. standard deviation.

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