Comparative study of the physical and mechanical properties between the conventional concrete using brita 0 and rolled pebble of the city of Manaus-Am

This research has the objective of comparing the physical and mechanical properties of two large aggregates used in the city of Manaus: gravel 0 and rolled pebbles and their behavior in the manufacture of concrete for various purposes. The tests performed and the dosing of the traces for this evaluation are in accordance with the specifications of the ABNT / NBR technical standards used as references. In the characterization of the materials were carried out analyzes of granulometry, specific mass, unit mass, water absorption, and compressive strength at 07, 28 and 63 days according to the curing of samples denominated as T1 and T2. The results showed a similar behavior between the materials, both in the physical behavior and in the mechanical analysis of the samplings. The fact that the pebble is more abundant and have a more affordable price in our region makes the use of this material more feasible, both in small and medium buildings, which does not have such strict technological control.