Table 8 Reduction in cement percentage...

Table 8

Reduction in cement percentage by using DuraCrete to replace cement partially

Cement-only design benchmark	Alternative DuraCrete-blended cement design			Reduction in cement: %
Cement-only content: %	Total mixture content: %	Cement: %	DuraCrete: %	Reduction in cement: %
10 (UCS = 64.6 kPa)	9.54	9.26	0.28	7.39
	8.73	8.32	0.42	16.8
	10.05	9.39	0.66	6.1
	10.16	9.32	0.84	6.8

15 (UCS = 140.9 kPa)	13.19	12.81	0.38	14.63
	12.77	12.16	0.61	18.95
	14.45	13.51	0.95	9.94
	14.81	13.59	1.22	9.42

20 (UCS = 291.0 kPa)	17.92	17.39	0.52	13.03
	18.29	17.42	0.87	12.89
	20.4	19.07	1.33	4.67
	21.18	19.43	1.75	2.84

25 (UCS = 499.4 kPa)	22.59	21.93	0.66	12.27
	24.04	22.89	1.14	2.11
	26.51	24.78	1.73	0.22
	27.82	25.52	2.3	−0.52

30 (UCS = 887.4 kPa)	29.06	28.21	0.85	5.96
	32.39	30.85	1.54	−2.82
	35.3	32.99	2.31	−9.97
	37.49	34.4	3.1	−14.66

Cement-only design benchmark	Alternative DuraCrete-blended cement design			Reduction in cement: %
Cement-only content: %	Total mixture content: %	Cement: %	DuraCrete: %	Reduction in cement: %
10(UCS = 64.6 kPa)	9.54	9.26	0.28	7.39
	8.73	8.32	0.42	16.8
	10.05	9.39	0.66	6.1
	10.16	9.32	0.84	6.8

15(UCS = 140.9 kPa)	13.19	12.81	0.38	14.63
	12.77	12.16	0.61	18.95
	14.45	13.51	0.95	9.94
	14.81	13.59	1.22	9.42

20(UCS = 291.0 kPa)	17.92	17.39	0.52	13.03
	18.29	17.42	0.87	12.89
	20.4	19.07	1.33	4.67
	21.18	19.43	1.75	2.84

25(UCS = 499.4 kPa)	22.59	21.93	0.66	12.27
	24.04	22.89	1.14	2.11
	26.51	24.78	1.73	0.22
	27.82	25.52	2.3	−0.52

30(UCS = 887.4 kPa)	29.06	28.21	0.85	5.96
	32.39	30.85	1.54	−2.82
	35.3	32.99	2.31	−9.97
	37.49	34.4	3.1	−14.66

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