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Q: Which of the following types of construction offers comparatively better earthquake resistance based on its structural action? Consider that the thickness and length of member to be constructed is constant for any of the following cases.
  • A. Brickwork with English bond
  • B. Random rubble stone masonry
  • C. Size stone masonry
  • D. Reinforced brickwork
Correct Answer: Option D - The reinforced brick masonry is totally different from normal brick masonry which has steel reinforcement embedded in the mortar of cement and coarse sand (in ratio 1:3, one part of cement and three parts of coarse sand). • It offers comparatively better earthquake resistance based on its structural action. • Random rubble masonry in which stones are laid either undressed or roughly dressed with suitable mortar. It is suitable for the construction of walls of low heights in common building.
D. The reinforced brick masonry is totally different from normal brick masonry which has steel reinforcement embedded in the mortar of cement and coarse sand (in ratio 1:3, one part of cement and three parts of coarse sand). • It offers comparatively better earthquake resistance based on its structural action. • Random rubble masonry in which stones are laid either undressed or roughly dressed with suitable mortar. It is suitable for the construction of walls of low heights in common building.

Explanations:

The reinforced brick masonry is totally different from normal brick masonry which has steel reinforcement embedded in the mortar of cement and coarse sand (in ratio 1:3, one part of cement and three parts of coarse sand). • It offers comparatively better earthquake resistance based on its structural action. • Random rubble masonry in which stones are laid either undressed or roughly dressed with suitable mortar. It is suitable for the construction of walls of low heights in common building.