Effect of Steel Fibres and Low Calcium Fly Ash on Mechanical and Elastic Properties of Geopolymer Concrete Composites

Table 4

Grading of course aggregates.

Serial number	IS Sieve size (mm)	CA-I; 20 mm	CA-II; 12.5 mm	CA-I : CA-II; 65 : 35	Required grading as per; IS 383-1970
1	40	100	100	100	100
2	25	100	100	100	—
3	20	90.60	100	93.89	90–100
4	16	6.80	100	39.42	—
5	12.5	0.40	96.5	34.04	—
6	10	0.00	76.4	26.74	25–35
7	4.75	0.00	0.90	0.32	0–10
8	2.36	0.00	0.00	0.00	—