Maintenance and repair strategies & Strength

2 MARKS UNIT-1 1. Define Repair and Rehabilitation. (Apr/May 2016) 2. What are the causes of deterioration? (Apr/May 2015) 3. How deterioration occurs due to corrosion?. (NOV/DEC 2013) 4. Define Maintenance. What are the facets of maintenance? (Apr/May 2014) 5. State the physical inspection of damaged structure (Apr/May 2014) 6. List out the steps involved in selecting a repair procedure. (Apr/May 2010) UNIT-2 7. Define the term “Quality assurance” in concrete structures. (Apr/May 2010) 8. Discuss the importance of quality control. (Apr/May 2010) 9. Write note on structural cracks with examples. (Apr/May 2011) 10. Explain the importance of coefficient of thermal expansion with respect to strength of concrete. (Apr/May 2011) 11. Classify the types of cracks based on its thickness. (Apr/May 2012) 12. Define corrosion. (Apr/May 2013) 13. Illustrate the causes of cracks. (Apr/May 2012) 14. How can we prevent the effect of freezing and thawing in concrete? (Apr/May 2009) 15. Write short notes on effective of cover thickness (NOV/DEC 2013) 16 MARKS UNIT-1 1. With the flow chart analyse the steps involved in the assessment procedure for evaluate damages in a structure and to carry out rehabilitation work. (Apr/May 2016,2015,2012,etc) 2. Evaluate the various causes for deterioration of concrete structures. (Apr/May 2012) 3. Illustrate the different types of maintenance to the structural elements. (Apr/May 2011) 4. i. Discuss about the various aspects of inspection. -10 marks (Apr/May 2013) ii. Classify the types of repair works. -6marks (Apr/May 2013) 5. i.Discuss about the necessity of maintenance. - 8 marks (Apr/May 2014) ii.Discuss about the facets of maintenance – 8marks (Apr/May 2014) UNIT-2 6. Describe in detail about the causes and effects of cracks in concrete structure. (Apr/May 2016) 7. Why quality assurance for structure is needed? List out the components of quality assurance for building and explain it in detail. (Apr/May 2012) 8. List the various parameters affecting the quality of concrete construction. Explain any three in detail. (Apr/May 2012) 9. i. Illustrate the effects of corrosion.. 8 marks (Apr/May 2014) ii. What are the preventive measures for corrosion?. 8 marks (Apr/May 2014) 10. Elaborately explain about the effect of temperature on concrete. (Apr/May 2013) 11. Analyse the various methods of corrosion in protection of rebar. (Apr/May 2015) 12. Explain in detail the effects on durability and strength of concrete due to (Apr/May 2015) i. Climate (8) ii. Sustained elevated temperature. (8)