Properties of Self-Compacting Concrete with Recycled Coarse Aggregate
Table 3
Fresh concrete test results.
Mix code
Wet density (kg/m3)
Slump flow test
L-box
Sieve segregation (%)
Initial
After 1 hr
Variation
Initial
After 1 hr
Variation
(mm)
(s)
(mm)
(s)
()/ (%)
(ratio)
(ratio)
()/ (%)
Control
2380
710
2.9
640
3.9
9.86
0.94
0.89
5.32
9.90
RCA25
2360
700
3.7
610
5.9
12.86
0.95
0.88
7.37
7.70
RCA50
2350
720
3.9
640
6.4
11.11
0.97
0.89
8.25
6.30
RCA75
2330
710
4.1
610
6.9
14.08
0.92
0.82
10.87
6.00
RCA100
2320
700
4.3
580
7.6
17.14
0.93
0.80
13.98
5.20
Note: EN 206-9:2010 [12] states that SCC should have a slump flow value () of between 550 and 850 mm; the blocking ratio () 0.80; and sieve segregation () < 20%.
