From: Increasing the Length of Concrete Pavement Slabs Using Shrinkage Reducing Admixture and Polypropylene Fiber
Name
Density (g/cm3)
Water absorption (%)
Gravel 9.5–19 mm
2.49
2.85
Gravel 6–12 mm
2.65
2.40
Sand 0–6 mm
2.67
2.00