Chemical Composition | Chemical Formula | OPC (%) | GP (%) | ASTM C618 |
---|---|---|---|---|
Lime | Cao | 61.66 | 9.868 | |
Silica | SiO2 | 19.83 | 74.03 | |
Alumina | AI2O3 | 4.48 | 1.023 | |
Ferrite | Fe2O3 | 2.32 | 0.108 | |
Magnesia | MgO | 3.14 | 4.739 | |
Sulfur trioxide | SO3 | 2.57 | 0.13 | |
Potassium oxide | K2O | 0.68 | 0.198 | |
Sodium oxide | Na2O | 0.19 | 8.024 | |
Loss on Ignition | LOI | 1.5 | 1.83 | |
Tricalcium silicate | Ca3SiO5 | 59.50 | ||
Dicalcium silicate | Ca2SiO4 | 11.98 | ||
Aluminate Tricalcium | Ca3Al2O6 | 7.95 | ||
Tetracalcium Aluminoferrite | Ca4Al2Fe2O10 | 7.05 | ||
SiO2 + AI2O3 + Fe203, min. % | 75.16 | 70 | ||
SO3, max. % | 0.13 | 4 | ||
Moisture content, max. % | - | 3 | ||
Loss on ignition, max. % | 1.83 | 10 |
Mix. type | Specimen detail | w/b | Compressive strength (MPa) | Modulus of elasticity (GPa) | Toughness (MPa x 10-2) | Specific Toughness (%) | Peak strain (micro-strain) |
---|---|---|---|---|---|---|---|
LCCM | CR-2 | 0.54 | 52.76 | 31.08 | 9.950 | 0.189 | 2870 |
A5-2 | 0.54 | 51.40 | 30.60 | 7.990 | 0.155 | 2495 | |
A10-2 | 0.54 | 49.85 | 33.12 | 8.790 | 0.176 | 2645 | |
B5-2 | 0.54 | 52.86 | 31.56 | 8.540 | 0.162 | 2549 | |
B10-2 | 0.54 | 55.45 | 32.69 | 8.290 | 0.150 | 2436 | |
HCCM | CR-3 | 0.41 | 64.25 | 33.87 | 8.600 | 0.134 | 2341 |
A5-3 | 0.41 | 63.50 | 37.19 | 8.106 | 0.128 | 2196 | |
A10-3 | 0.41 | 67.91 | 37.04 | 9.360 | 0.138 | 2388 | |
A15-3 | 0.41 | 66.29 | 35.57 | 8.610 | 0.130 | 2283 | |
B5-3 | 0.41 | 65.34 | 38.10 | 8.240 | 0.126 | 2147 | |
B10-3 | 0.41 | 65.76 | 35.15 | 9.270 | 0.141 | 2407 | |
B15-3 | 0.41 | 65.12 | 33.75 | 9.430 | 0.145 | 2502 |
Mix. type | Specimen Details | Strengths (MPa) | |||
---|---|---|---|---|---|
Compressive (28 days) | Compressive (180 days) | Splitting (180 days) | Flexural (180 days) | ||
LCCM | CR-2 | 48.21 | 53.24 | 4.59 | 8.00 |
A5-2 | 45.56 | 51.02 | 4.61 | 8.08 | |
A10-2 | 41.22 | 50.13 | 4.60 | 7.80 | |
B5-2 | 46.00 | 53.06 | 4.68 | 8.15 | |
B10-2 | 43.09 | 54.86 | 4.74 | 8.18 | |
HCCM | CR-3 | 58.56 | 64.61 | 4.45 | 7.60 |
A5-3 | 59.27 | 63.35 | 4.49 | 7.63 | |
A10-3 | 56.84 | 67.56 | 4.75 | 7.65 | |
A15-3 | 55.10 | 65.92 | 4.65 | 7.60 | |
B5-3 | 61.78 | 64.98 | 4.56 | 7.68 | |
B10-3 | 55.26 | 66.38 | 4.72 | 7.63 | |
B15-3 | 65.61 | 4.61 | 7.55 |
Physical Properties | Sand | Gravel | ASTM-Designation | |
---|---|---|---|---|
Sand | Gravel | |||
Bulk specific gravity, Dry | 2.65 | 2.47 | ASTM |
ASTM |
Bulk specific gravity, (SSD) | 2.69 | 2.49 | ||
Apparent specific gravity | 2.77 | 2.52 | ||
% Absorption | 1.68 | 0.94 | ||
Dense-dry density, (kg/m3) | 1875 | 1600 | ASTM-C29 | |
Loose-dry density, (kg/m3) | 1716 | 1462 | ||
Fineness Modulus, (unitless) | 3.20 | 2.30 | ASTM C 125 |
Mix. type | Specimen Details | Cement (kg) | Sand (SSD) (kg) | Gravel (SSD) (kg) | Water (kg) | GP | Water/binder W/C+GP | |||
---|---|---|---|---|---|---|---|---|---|---|
GP-A | GP-B | % | (kg) | |||||||
LCCM | CR-2 | 331.0 | 956.64 | 848.0 | 178.74 | - | 0.54 | |||
A5-2 | B5-2 | 314.5 | 953.01 | 952.97 | 848.0 | 178.74 | 5 | 16.55 | 0.54 | |
A10-2 | B10-2 | 297.9 | 949.43 | 949.36 | 848.0 | 178.74 | 10 | 33.10 | 0.54 | |
HCCM | CR-3 | 490.0 | 838.67 | 776.31 | 200.9 | - | ||||
A5-3 | B5-3 | 465.5 | 833.33 | 833.28 | 776.31 | 200.9 | 5 | 24.5 | 0.41 | |
A10-3 | B10-3 | 441.0 | 828.0 | 827.89 | 776.31 | 200.9 | 10 | 49.0 | 0.41 | |
A15-3 | B15-3 | 416.5 | 822.66 | 822.51 | 776.31 | 200.9 | 15 | 73.5 | 0.41 |