Comparative Study of Mortars Made with Sands of Different Geological Origin

Table 2

Characteristics of the cement used [10].

Cement	Physical characteristics		Chemical characteristics	Mechanical characteristics
DANGOTE 42.5R	Initial setting time (min)	Final setting time (min)	80–94% of clinker; 6–20% P (natural pozzolan); 0–5% secondary constituents	Compressive strength (MPa)
				2 days	28 days
	>30	<600		≥20	≥42.5 ≤ 62.5