This paper presented the findings of an experimental investigation into how common Portland cement concrete develops its compressive strength in a simple setting, such as Lahore, Pakistan. Ten cube specimens mix 1:1.5:3 was prepared with water-cement ratio 0.5 for each four curing techniques (air curing, water-submerged polythene by boiling) until testing ages 3, 7, 14, 21 and 28 days when thei...