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Table 2 Aggregate properties.

From: Experimental Study on the Property and Mechanism of the Bonding Between Rubberized Concrete and Normal Concrete

Material Size (mm) Apparent density (kg/m3) Mud content (%) Crushed index (%) Fineness modulus Elasticity modulus (MPa) Water absorption
Coarse aggregates 5 ~ 20 2688 0.34 8.2 16,000 0.3
Fine aggregates 0 ~ 4.75 2574 1.1 2.9 60 0.3
RPs 1–3 mm,
3–5 mm
1119 0 6 0.16