Cochin University Previous Question Papers BE CE 8th Semester Retrofitting And Rehabilitation Of Structures Sep 2010

Cochin University Previous Question Papers BE CE 8th Sem

Retrofitting And Rehabilitation Of Structures Sep 2010

PART A

(Answer ALL questions)

a. Define retrofitting. How does it differ from repairing and restoration?

b. Explain the method of autogeneous healing.

c. Explain the method of shotcreting.

d. Explain how parapets can be strengthened against earthquake forces.

e. Differentiate between global and local retrofitting of RC structures.

f. Explain the method of seismic base isolation.

g. Explain the use of toppings in the repair of concrete floors.

h. Explain cathodic protection

PART B

II.  Describe any five materials that can be used in the repair of structures.

OR

III. Describe any five repair techniques that can be used in retrofitting of structures.

 

IV. What are the different modes of failure of masonry structures? With neat figures explain any three modes.

OR

V. Explain the following methods of retrofitting of masonry walls.

(i) Splint and bandage technique

(ii) Prestressing of masonry

(iii)Using FRP fabric

VI. Explain any three conventional methods of global retrofitting of RC structures.

OR

VII. Explain any three local retrofitting methods in RC structures.

 

VIII. Explain the procedure for the repair of concrete floors.

OR

IX. Explain any two methods of retrofitting of steel structures.

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