Quantitative Measurement of Water Absorption of Coarse Lightweight Aggregates in Freshly-Mixed Concrete

International Journal of Concrete Structures and Materials

Table 3 Properties and test results of the concrete samples.

Sample	Slump, mm		Air content, %		Moisture content, %		Water absorption, %		Unit weight, kg/m³	Strength, MPa
Sample	at 0 h	at 1 h	at 0 h	at 1 h	at 0 h	at 1 h	at 0 h	at 1 h	Unit weight, kg/m³	Strength, MPa
N55	225	165	5.5	3.6	13.1	13.1	0	0	2258	28.3
W45	245	155	3.8	3.8	14.4	14.2	0	1	1891	37.5
W50	235	130	3.8	2.6	14.4	14.3	1	2	1889	33.4
W55	230	100	4.8	3.8	15.1	14.4	0	3	1855	28.2
W60	220	100	4.3	3.2	14.7	14.3	2	5	1874	27.1
W65	230	85	4.5	3.8	14.9	15.0	2	2	1842	22.5
D45	240	175	4.7	2.7	12.9	12.6	10	12	1826	39.5
D50	245	105	3.6	2.6	13.2	13.2	10	10	1830	36.4
D55	245	95	3.8	2.7	13.5	–	9	–	1823	35.5
D60	220	75	4.6	3.7	13.6	13.2	10	12	1800	31.5
D65	235	90	4.4	3.2	13.4	13.2	12	13	1778	28.1