Effect of Limestone Powder on Thaumasite Form of Sulfate Attack (TSA) of Cement-Based Materials

Table 1

Chemical components of the clinker, gypsum, and limestone powder (wt%).

Materials	SiO2	Fe2O3	Al2O3	CaO	MgO	SO3	K2O	Na2O	LOI
Clinker	19.99	2.98	4.80	61.22	3.27	0.23	0.88	0.18	3.52
Gypsum	4.47	0.36	0.99	34.05	1.84	40.61	0.23	0.08	16.87
Limestone powder	0.23	0.21	—	55.46	—	—	—	—	41.75