Fiber type | Fiber properties | |||||
---|---|---|---|---|---|---|
Shape | Length (mm) | Section dimension (mm) | Specific gravity | Modulus of elasticity (GPa) | Tensile strength (MPa) | |
Hooked ends | 35 | 7.85 | 210 | 1225 | ||
straight | 30 | 1.3 | 23 | 900 | ||
straight | 12 | 0.90 | 4 | 550 |
Material | Weight (kg/m3) |
---|---|
Cement | 900.0 |
Fine quartz sand | 1000.0 |
Silica Fume | 222.0 |
Water | 164.0 |
Super-plasticizer | 30 |
Mix No. | Unit Weight (kg/m3) | Slump (mm) |
---|---|---|
M0-NF | 2318 | 280.0 |
M1-S1 | 2363 | 257.0 |
M2-S0.7-PVA0.3 | 2325 | 256.0 |
M3-S0.7-PVA0.2-PP0.1 | 2294 | 250.0 |
M4-S0.7-PVA0.2 | 2310 | 255.0 |
M5-S0.5-PVA0.5 | 2285 | 251.0 |
Mix | Compression and split Test | Flexure Test | ||||||
---|---|---|---|---|---|---|---|---|
Room temp. | 100°C | 300°C | 400°C | Room temp. | 100°C | 300°C | 400°C | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 | |
6 | 6 | 6 | 6 | 3 | 3 | 3 | 3 |
Mix | Compressive strength (MPa) | Flexure strength (MPa) | Splitting strength (MPa) | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Room temp. | 100°C | 300°C | 400°C | Room temp. | 100°C | 300°C | 400°C | Room temp. | 100°C | 300°C | 400°C | |
120.3 | 124.1 |
105.6 |
88.32 |
10.27 | 10.47 | 8.77 |
7.50 |
6.6 | 6.8 |
5.7 |
4.80 |
|
139.8 |
143.8 |
132.0 |
104.68 |
19.50 |
19.75 | 17.83 |
16.20 |
11.7 |
11.9 |
10.8 |
10.20 |
|
134.6 |
139.4 |
123.4 |
110.19 |
19.00 |
19.53 | 17.24 |
15.10 |
12.3 |
12.7 |
11.9 |
10.70 |
|
131.7 |
133.7 |
129.7 |
102.62 |
17.03 |
17.64 | 16.00 |
15.20 |
12.1 |
12.4 |
11.4 |
10.40 |
|
128.2 |
130.3 |
124.0 |
99.70 |
17.77 |
17.85 | 17.01 |
14.20 |
11.7 |
11.8 |
10.9 |
9.50 |
|
127.8 |
131.8 |
119.6 |
97.4 |
16.90 |
17.0 | 15.85 |
12.90 |
11.3 |
11.8 |
10.8 |
8.90 |
Type 1 Cement | Silica Fume | ||
---|---|---|---|
CaO | 64.1 | 2.15 | |
SiO2 | 21.8 | 89.5 | |
AL2O3 | 5.25 | 0.43 | |
Fe2O3 | 4.10 | 3.25 | |
MgO | 0.71 | 1.30 | |
TiO2 | 0.3 | 0.0 | |
SO3 | 2.4 | 0.74 | |
L.O.I | 2.18 | 2.47 | |
Mean particle size (μm) | 40.1 | 0.32 | |
Specific gravity | 3.15 | 2.2 |
Concrete mix | Fiber by volume (%) | ||
---|---|---|---|
Polyvinyl alcohol (PVA) | Polypropylene (PP) | Steel fibers (SF) | |
0.0 | 0.0 | 0.0 | |
0.0 | 0.0 | 1.0 | |
0.3 | 0.0 | 0.7 | |
0.2 | 0.1 | 0.7 | |
0.2 | 0.0 | 0.7 | |
0.5 | 0.0 | 0.5 |