Mix sample

Type of aggregate

Splitting tensile strength at 28 days (N/mm2)

M1

Basalt

4.39

potable water

4.41

Sea water

M2

Crushed concrete

3.7

potable water

3.75

Sea water

M3

Crushed marble

4.9

potable water

5.18

Sea water

M4

Crushed ceramic

2.54

potable water

2.67

Sea water