Table 2.

Trial mixtures.

Mix number	Water/cementitious materials ratio (R w/cm)	Cementitious materials content, Q C (kg/m3)	Fine/total aggregate ratio (R FA/TA)
1	0.38	350	0.35
2	0.38	350	0.40
3	0.38	350	0.45
4	0.38	375	0.35
5	0.38	375	0.40
6	0.38	375	0.45
7	0.38	400	0.35
8	0.38	400	0.40
9	0.38	400	0.45
10	0.43	350	0.35
11	0.43	350	0.40
12	0.43	350	0.45
13	0.43	375	0.35
14	0.43	375	0.40
15	0.43	375	0.45
16	0.43	400	0.35
17	0.43	400	0.40
18	0.43	400	0.45
19	0.48	350	0.35
20	0.48	350	0.40
21	0.48	350	0.45
22	0.48	375	0.35
23	0.48	375	0.40
24	0.48	375	0.45
25	0.48	400	0.35
26	0.48	400	0.40
27	0.48	400	0.45