6505r8 - CGN 6505 Review Questions Set No 8(This covers...

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CGN 6505 Review Questions Set No. 8 Spring 2010 (This covers both Lecture Notes #8 & #9) Concrete Mix Design 1. Know how to perform a concrete mix design on paper according to the ACI (Absolute Volume) method. You should know the specific gravity of cement and density of water by heart. 2. What are the typical ranges of unit weights of non-air-entrained and air-entrained concretes? Elastic Moduli of Concrete 1. Describe the meaning of the following elastic moduli and how they are determined: (A) Secant modulus (B) Tangent modulus (C) Chord modulus (D) Dynamic modulus 2. Describe how the elastic modulus is determined in the standard test for static modulus of elasticity (ASTM C469). Which modulus was determined? 3. Describe the effects of the following factors on the elastic modulus of concrete: (A) Moisture condition (B) Aggregate properties (C) Properties of hydrated cement paste (D) Properties of transition zone Drying Shrinkage and Creep 1. What is the main cause of drying shrinkage in concrete? 2.
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This note was uploaded on 05/26/2011 for the course CGN 6505 taught by Professor Mang during the Spring '11 term at University of Florida.

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6505r8 - CGN 6505 Review Questions Set No 8(This covers...

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