Evaluation of Methods to Correct the Effect of Temperature on Electrical Conductivity of Mortar

Table 2

Chemical composition of the cement and SCM based on manufacturer’s mill cert.

Chemical compound (%)	Type I/II cement	Class F fly ash	GGBFS	Silica fume
SiO2	21.3	56.50	32.00	92.86
Al2O3	3.20	23.70	12.90	Not listed
Fe2O3	2.90	3.60	0.50	Not listed
SO3	3.10	0.20	3.70	0.33
CaO	64.30	9.20	41.2	Not listed
MgO	2.10	1.00	5.70	Not listed
Na2O	0.26	0.29	0.21	0.20
K2O	0.42	0.22	0.41	0.70
Loss on ignition	1.35	0.62	1.40	3.33
Blaine fineness (m^2/kg)	391	NA	480	21,910
Specific gravity	3.10	2.05	2.87	2.26

Fineness of fly ash was 26.6 percent of retained on 45 μm (no. 325) standard sieve. Blaine fineness was not available.