Question: 1. What is the different between a natural aggregate and a manufactured aggregate? 2. Aggregates may be classified as fine aggregate or coarse aggregate; explain
1. What is the different between a natural aggregate and a manufactured aggregate? 2. Aggregates may be classified as fine aggregate or coarse aggregate; explain the difference. 3. Explain how aggregates are processed for use as a Portland cement concrete ingredient or as a bituminous concrete ingredient. 4. How does particle shape affect the use of aggregate in base-course materials? In portland cement concrete? In bituminous concrete? 5. Explain in details the ASTM C666, ASTM C33, and ASTM C29 testing procedures 1
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