Influence of Fly Ash, Bottom Ash, and Light Expanded Clay Aggregate on Concrete

Table 1

Mechanical properties of concrete.

Percentage replacement	Dry weight of specimen (cube) in Kg/m^3	Compressive strength of concrete (N/mm^2)			Dry weight of specimen (cylinder) in Kg	Split tensile strength of concrete (N/mm^2)
		7 days	28 days	56 days		7 days	28 days	56 days
0	9.45	17.96	26.93	26.95	14.35	1.60	2.54	2.57
5	9.18	17.94	26.89	26.97	14.20	1.53	2.52	2.59
10	8.89	17.17	25.73	25.76	13.85	1.5	2.32	2.33
15	8.54	16.06	24.09	24.11	13.60	1.44	2.17	2.18
20	8.41	13.41	20.10	20.13	13.40	1.4	2.11	2.12
25	8.31	11.32	16.96	16.97	13.15	1.35	2.05	2.06
30	8.24	10.19	15.26	15.23	12.72	1.31	1.96	1.98
35	8.13	9.73	14.57	14.58	12.34	1.26	1.90	1.92