Incineration of Textile Sludge for Partial Replacement of Cement in Concrete Production: A Case of Ethiopian Textile Industries

Table 4

Compressive strength of concrete cubes using different cement replacements.

Percentage replacement of cement by the ash of textile mill sludge	Compressive strength on cubes sample (N/mm^2)			Water absorption (%)
	7 days	14 days	28 days
0	25.2	33.6	42.00	6.41
10	24.16	31.16	39.97	10.21
20	23.34	29.07	38.17	12.49
30	18.36	27.43	36.72	14.55
40	15.23	25.82	35.25	16.43
50	14.86	23.77	34.73	20.38