Tuesday, 21 April 2015

Cocnrete Technology - Interview Questions

Concrete Questions
Following questions are taken from Concrete Book by Mehta and Monterio
  1. Compared to steel , what are the engineering benefits of using concrete for structures?
  2. Describe in brief High Strength Concrete and High Performance Concrete
  3. What is the difference between strength and toughness? Why is the 28 - Days compressive strength of concrete generally specified?
  4. Discuss the significance of drying shrinkage, thermal shrinkage and creep in concrete
  5. which is common test performed for Durability of Concrete?
  6. explain how water cement ratio influence the strength of the cement paste matrix and the interfacial zone in concrete
  7. In general, how are the compressive and tensile strength of concrete related? which tests are used to find tensile strength of concrete?
  8. Draw a typical stress-strain curve for concrete. What is relationship between young's modulus of concrete and cube strength of concrete?
  9. which factors affect creep of concrete only and why?
  10. Describe five different type of Portland Cement and blended Portland cement based on BS EN 197
  11. briefly describe the measures that should be considered for the control of corrosion of embedded steel in concrete.
  12. What is the alkali-aggregate reaction? List some of the rock types that are vulnerable to attack by alkaline solutions. Discuss the effect of aggregate size on the phenomenon.
  13. what is minimum grade of concrete for water retaining structure based on BS 8007?
Engineer Hemant Gor, GorHemant@GMail.com

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