Questions.docx

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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

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