Performance of Ground Clay Brick Mortars in Simulated Chloride and Sulphate Media

Table 1

Average chemical composition of the sampled broken bricks, OPC, and PPC.

Oxides	Percentage composition (%)
	Broken bricks	OPC	PPC
SiO2	64.55	29.53	28.99
Al2O3	13.66	5.99	6.54
CaO	2.12	62.67	44.76
Fe2O3	4.68	3.43	3.35
MgO	0.39	1.45	2.22
Na2O	2.13	0.27	0.73
K2O	0.87	0.60	0.66
SiO2 + Al2O3 + Fe2O3	82.89	—	—