Mix sample	Type of aggregate	Compressive strength (N/mm²)				Type of immersed water
Mix sample	Type of aggregate	7 Age (days)	28 Age (days)	56 Age (days)	90 Age (days)	Type of immersed water
M1	Basalt	21.0	44.8	49.08	47.08	potable water
M1	Basalt	21.0	46.3	50.67	55.3	Sea water
M2	Crushed concrete	13.1	39.0	42.5	38.17	potable water
M2	Crushed concrete	13.1	41.9	44.09	44.6	Sea water
M3	Crushed marble	23.0	47.8	51.7	49.5	potable water
M3	Crushed marble	23.0	52.3	54.05	58.2	Sea water
M4	Crushed ceramic	10.7	28.5	43.7	41.8	potable water
M4	Crushed ceramic	10.7	31.8	44.3	48.3	Sea water