Sieve size mm | % Cumulative passing | Limits of IQS No.45 [ |
|
---|---|---|---|
NC | RC | ||
37.5 | 100 | 100 | 100 |
20 | 98 | 95 | 95–100 |
14 | 66 | 60 | — |
10 | 37 | 32 | 30–60 |
5 | 1 | 2 | 0-10 |
Sieve size mm | % Cumulative passing | Limits of IQS No.45 [ |
|
---|---|---|---|
NFA | RFA | ||
10 | 100 | 100 | 100 |
4.75 | 95 | 98 | 90–100 |
2.36 | 86 | 91 | 75–100 |
1.18 | 75 | 77 | 55–90 |
0.6 | 54 | 59 | 35–59 |
0.3 | 19 | 26 | 8–30 |
0.15 | 3 | 6 | 0–10 |
Mix details | Mix details |
---|---|
NC+NF-Ref | Natural coarse aggregates + Natural fine aggregates-Reference mix |
NC+RF |
Natural coarse aggregates + Recycled fine aggregates |
RC |
Recycled coarse aggregates+ Natural fine aggregates |
TRC+NF | Treated recycled coarse aggregates + Natural fine aggregates |
RC+RF | Recycled coarse aggregates + Recycled fine aggregates |
TRC+RF | Treated recycled coarse aggregates + Recycled fine aggregates |
NC+RF0.5F | Natural coarse aggregates + Recycled fine aggregates + 0.5% Steel fibers |
RC+NF0.5F | Recycled coarse aggregates + Natural fine aggregates + 0.5% Steel fibers |
TRC+NF0.5F | Treated recycled coarse aggregates + Natural fine aggregates + 0.5% Steel fibers |
RC+RF0.5F | Recycled coarse aggregates + Recycled fine aggregates + 0.5% Steel fibers |
TRC+RF0.5F | Treated recycled coarse aggregates + Recycled fine aggregates + 0.5% Steel fibers |
Mix designation | C | W | SP | NF | RF | NC | RC | SF |
---|---|---|---|---|---|---|---|---|
NC+NF-Ref | 498 | 160 | 5.5 | 704 | 0 | 1060 | 0 | 0 |
NC+RF | 498 | 160 | 6.4 | 0 | 572 | 1060 | 0 | 0 |
RC+NF | 498 | 160 | 5.8 | 704 | 0 | 0 | 915 | 0 |
TRC+NF | 498 | 160 | 6.1 | 704 | 0 | 0 | 960 | 0 |
RC+RF | 498 | 160 | 7.0 | 0 | 572 | 0 | 915 | 0 |
TRC+RF | 498 | 160 | 7.4 | 0 | 572 | 0 | 960 | 0 |
NC+RF0.5F | 498 | 160 | 8.5 | 0 | 572 | 1046 | 0 | 39 |
RC+NF0.5F | 498 | 160 | 8.0 | 704 | 0 | 0 | 903 | 39 |
TRC+NF0.5F | 498 | 160 | 8.6 | 704 | 0 | 0 | 948 | 39 |
RC+RF0.5F | 498 | 160 | 9.3 | 0 | 572 | 0 | 903 | 39 |
TRC+RF0.5F | 498 | 160 | 9.7 | 0 | 572 | 0 | 948 | 39 |
Chemical tests | ||
---|---|---|
Oxides | Test results | Limits of IQS No.5 [ |
SiO2% | 23.78 | — |
Al2O3% | 3.120 | — |
Fe2O3% | 3.09 | — |
CaO% | 62.07 | — |
MgO% | 2.25 | ≤5% |
SO3% | 1.032 | ≤2.8% if |
C3A > 5% | ||
≤2.5% if | ||
C3A < 5% | ||
Insoluble residue% | 0.81 | ≤1.5% |
Loss on Ignition% | 1.17 | ≤4% |
L.S.F | 0.82 | 0.66 – 1.02 |
Main compounds | ||
C2S% | 36.548 | — |
C3S% | 41.927 | — |
C3A% | 3.040 | — |
C4AF% | 9.403 | — |
Physical tests | ||
Setting time, min., | ||
initial | 73 | ≥45 min. |
final | 5:50 | ≤10 hr. |
Fineness (Blaine), cm2/g | 2984 | ≥2500 |
Compressive strength, MPa, | ||
2 days | 17.1 | ≥10 |
28 days | 38.6 | ≥32.5 |