Design of Masonry Structures
For strengthening a 50 m long and 5 m high straight compound wall built in brick work, which one of the following would be most suitable?

Providing a deeper foundation
Using a richer mortar
Providing buttresses at certain intervals
Using stronger bricks

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Design of Masonry Structures
Assertion A : Limiting value of slenderness ratio for a column is less than that of a wall.Reason R : A column can buckle around either of the two horizontal axes while a wall can buckle around only one axis.Select your answer according to the codes given below:

Both A and R is true but R is not the correct explanation of A
A is true but R is false
A is false but R is true
Both A and R is true and R is the correct explanation of A

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Design of Masonry Structures
Consider the following statements regarding bands to be provided for strengthening masonry work in masonry buildings constructed in zone III, IV and V.
(i) Lintel band is provided at lintel level on partition walls,
(ii) Gable band is provided at top of gable masonry below the purlins,
(iii) The bands shall be to full width of the wall and not less than 7.5 cm in depth,
(iv) The bands shall be made of reinforced concrete only.
of these statements, the correct statements are

(i) and (ii)
(ii) and (iv)
(ii) and (iii)
(i) and (iii)

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Design of Masonry Structures
Consider the following statements: The use of relatively weak mortar
1. Will accommodate movements due to loads and, cracking if any, and will be distributed as thin hair cracks which are less noticeable or harmful.
2. Will result in reduction of stresses due to differential expansion of masonry units.

1 alone is correct
2 alone is correct
Neither 1 nor 2 is correct
Both 1 and 2 are correct

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