Civil Engineering Reference
In-Depth Information
4.2
Carbon fi bre.
Table 4.1
Properties of NCB
Volume
resistance (
Surface
resistance (
Density (g/cm
3
)
Particle size (nm)
Ω
.cm)
Ω
)
30-90
0.3-0.5
2.3
30.6
Table 4.2
Properties of CF
Density
(g/cm
3
)
Diameter
(10
−
6
mm)
Length
(mm)
Tensile strength
(N/mm
2
)
Resistivity
(m
Ω
.cm)
1.55-1.6
12-15
6
3000
3-7
Table 4.3
Design mixture of reference concrete
Cement
(kg/m
3
)
Fly ash
(kg/m
3
)
Fine aggregate
1-4 mm (kg/m
3
)
Coarse aggregate
5-10 mm (kg/m
3
)
Water
(kg/m
3
)
SP
(kg/m
3
)
370
160
733
733
240
5.33
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