Effects of Static Magnetic Fields on the Physical, Mechanical, and Microstructural Properties of Cement Pastes

Table 1

Chemical composition and physical and mechanical properties of the cement used.

Chemical analysis	Specification	Result
	NMX-C-414-ONNCCE
SiO2	—	22.97
Al2O3	—	4.53
Fe2O3	—	2.72
CaOt	—	61.38
CaOL	—	0.47
MgO	—	1.46
SO3	4.0% max.	2.61
R.I.	—	8.14
Na2O	—	0.65
K2O	—	1.10
Blaine (cm^2/g)	—	4327
% Fineness sieve size 325 (45 μm)	—	1.60
Sanity
Expansion	0.80% max.	—
Shrinkage	0.20% max.	−0.03
Time of setting by Vicat needle (min)
Initial	45 min.	192
Final	375 max.	313
False set%	—	79
Compressive strength (N/mm^2)
1 day	—	16.9
3 days	20 min.	28.8
7 days	—	34.9
28 days	30–50	40.8