Questions: (1) refers to the ability of concrete to resist deterioration from the environment or service in which it is placed. Durability (2-3) CAUSES OF DURABILITY: Physical Durability Chemical Durability (4-5) Tests for Aggregates Bulk Density Relative Density (Specific Gravity) (6) Range of value of Specific gravity of natural aggregates. 2.4-2.9 (7-10) Conditions of Aggregates
Oven dry Air dry Saturated surface dry (SSD) Damp or wet