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IBRACON Structures and Materials Journal • 2012 • vol. 5 • nº 4
Self-compacting concretes (SCC) – comparison of methods of dosage
Table 4 – packing test between 25 mm gravel, 19 mm gravel, the regular sand and fine sand
25 mm, 19 mm gravel
and regular sand (%)
Fine sand
(%)
Unit massa of
mixture (kg/m³)
Compacted bulk
density (kg/m³)
Index of voids
(%)
100
0
2725,80
2125,22
22,03
90
10
2686,22
2154,78
19,78
85
15
2657,29
2182,61
17,86
80
20
2646,64
2206,96
16,61
75
25
2626,85
2182,61
16,91
70
30
2607,06
2120,58
18,66
65
35
2587,27
2090,43
19,20
60
40
2567,48
2032,75
20,83
55
45
2547,69
1974,49
22,50
50
50
2527,90
1921,74
23,98
40
60
2488,32
1886,96
24,17
30
70
2448,74
1800,00
26,49
20
80
2409,16
1750,72
27,33
10
90
2369,58
1663,77
29,79
0
100
2330,00
1561,74
32,97
Table 3 – packing test between 25 mm gravel and 19 mm gravel and the regular sand
25 mm and 19 mm
Gravel (%)
Regular sand
(%)
Unit massa of
mixture (kg/m³)
Compacted bulk
density (kg/m³)
Index of voids
(%)
100
0
2983,00
1759,42
41,02
90
10
2918,70
1846,28
36,74
80
20
2854,40
1951,30
31,64
70
30
2790,10
2062,03
26,09
65
35
2757,95
2092,75
24,12
60
40
2725,80
2125,22
22,03
55
45
2693,65
2091,01
22,37
50
50
2661,50
2078,84
22,39
40
60
2597,20
2014,49
22,44
30
70
2532,90
1959,42
22,64
20
80
2468,60
1892,17
23,35
10
90
2404,30
1745,51
27,40
0
100
2340,00
1628,41
30,41