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?

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

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Design of Masonry Structures
Consider the following statements:
1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.
2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.
3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.
Which of these statements are correct?

1 and 3
2 and 3
1, 2 and 3
1 and 2

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Design of Masonry Structures
Consider the following statements:1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.Which of these statements are correct?

1, 2 and 3
1 and 2
1 and 3
2 and 3

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