6505r1 - durability, creep. 3. What are the typical unit...

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CGN 6505 REVIEW QUESTIONS - SET NO.1 Spring 2010 1. Why is concrete the most widely used material? 2. Define the following terms: fine aggregate, coarse aggregate, mortar, grout, admixture, strength, toughness, ductility, modulus of elasticity, drying shrinkage, thermal shrinkage,
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Unformatted text preview: durability, creep. 3. What are the typical unit weights for normal-weight, lightweight, and heavyweight concretes? 4. What are the compressive strengths of low-strength, medium-strength and high-strength concretes?...
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