Aggregates:physical and mechanical properties (lecture 1, 2 and 3). Cement: raw materials, manufacture, composition and types, special cements, hydration, tests of cement, paste and mortar (lecture 1, 2 and 3) (5 hours).
Lecture #3 Station #1 - Concrete Aggregate Classification --Classification of aggregates - 1.) Natural (gravel, sand) vs Artificial (exclay)- 1st 2.) Geological origin (igneous rock (magma), sedimentary rock (weather), metamorphic rock (pressure) -2nd 3.) Shape and surface (rounded, angular)-High friction improves strength and stability due to friction.-Low friction for workability as it is ...
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