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Early-age chemical and autogenous shrinkage of cement pastes containing palm oil fuel ash at different water-to-binder ratios

World Journal of Civil Engineering and Architecture | Vol 4, Issue 1

Table 5. Average shrinkage rates overthree-time intervals (10⁻³ cm³/(g·h)).

w/b	POFA (%)	CS 0–9 h	CS 9–15 h	CS 15–24 h	AS 0–9 h	AS 9–15 h	AS 15–24 h
0.3	0	1.40	1.05	1.48	1.60	1.32	1.50
0.3	10	1.32	0.87	1.39	1.36	1.47	1.57
0.3	20	1.31	0.88	1.68	1.74	1.47	1.39
0.3	30	1.49	0.88	1.77	1.31	1.33	1.62
0.4	0	1.33	1.20	1.20	1.38	1.45	1.26
0.4	10	1.14	1.10	1.10	1.26	1.43	1.20
0.4	20	1.32	0.83	1.62	1.53	1.25	1.14
0.4	30	1.46	0.88	1.53	1.22	0.95	1.43
0.5	0	1.37	0.87	1.37	1.02	1.38	1.11
0.5	10	1.18	0.97	1.14	1.09	1.43	0.89
0.5	20	1.33	0.62	1.67	1.18	1.25	1.03
0.5	30	1.44	0.72	1.50	1.03	1.30	1.14

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