Self-Shrinkage Behaviors of Waste Paper Fiber Reinforced Cement Paste considering Its Self-Curing Effect at Early-Ages

Table 4

The strengths of cement pastes at a different water cement ratio for sealed curing.

Code	W/C	WPF (%)	Flexural strength (MPa)					Compressive strength (MPa)
			1 d	3 d	7 d	28 d	90 d	1 d	3 d	7 d	28 d	90 d	1 d	3 d	7 d	28 d	90 d
A0	0.25	—	10.9	11.6	10.8	8.1	17.5	72.6	88.2	90.3	104.4	113.8	6.64	7.59	8.3	12.8	6.5
A1	0.25	0.1	11.4	12.5	11.3	10.1	16.8	74.6	89.0	91.4	107.3	115.9	6.55	7.13	8.1	10.6	6.9
A2	0.25	0.2	11.8	13.2	12.9	12.6	16.5	76.9	89.4	95.0	108.0	120.5	6.5	6.8	7.3	8.6	7.3
A3	0.25	0.3	10.2	12.5	12.0	10.6	15.1	73.8	85.9	94.0	100.9	110.4	7.27	6.9	7.8	9.5	7.3
A4	0.25	0.4	8.7	9.8	9.7	9.1	14.8	71.1	82.2	86.9	94.2	103.6	7.7	8.4	8.9	10.3	7
B0	0.3	—	6.6	7.5	9.0	10.2	11.4	49.4	73.5	82.0	89.4	93.5	7.5	9.8	9.1	8.8	8.2
B1	0.3	0.1	6.0	7.7	9.5	10.4	9.9	42.0	69.4	77.8	87.1	91.5	7	9.1	8.2	8.4	9.2
B2	0.3	0.2	5.9	9.1	9.3	9.8	9.2	33.1	67.9	72.2	81.0	86.4	5.6	7.5	7.8	8.3	9.4
B3	0.3	0.3	5.6	8.6	8.9	9.2	8.5	31.2	67.6	71.8	80.0	82.1	5.6	7.9	8.1	8.7	9.7
B4	0.3	0.4	5.5	6.6	7.1	8.9	6.5	29.3	65.4	69.7	79.6	74.8	5.3	9.8	9.8	11.1	11.6