Durability of Recycled Concrete after Reinforcing the Aggregates with Permeable Crystalline Materials

Table 2

Sieve analysis results of natural river sand.

Group	1	2	3	4	5	6	7
Screen size (mm)	4.75	2.36	1.18	0.6	0.3	0.15	0.075
Weight of screen residue (g)	0.00	67.20	101.50	86.10	93.20	118.90	30.10
Divide the screening rate (%)	0.00	13.44	20.30	17.22	18.64	23.78	6.02
Cumulative screening rate (%)	0.00	13.75	34.16	51.39	70.05	93.68	100
Fineness modulus	2.3 < Mx = 2.6 < 3.0 (medium sand)