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Q: ................ is the type of stone masonry in which finely dressed stones are laid in cement or lime mortar.
  • A. Rubble masonry
  • B. Ashlar masonry
  • C. Random rubble masonry
  • D. Squared rubble masonry
Correct Answer: Option B - Various type of ashlar masonry– 1. Ashlar Fine Masonry- In this masonry the stones of the same height are used and the courses are also of the same height. Ashlar fine masonry is the type of stone masonry in which finely dressed stones are laid in cement or lime mortar. 2. Ashlars Rough Tooled Masonry-Expose faces of stone has rough and uneven but corners and sides are perfect dressed. 3. Ashlars Chamfered Masonry-Dressing and surface are same as above but edged around the exposed faces of stone is chamfered at 450. 4. Ashlars Block-in- Course Masonry- This type of masonry is used in heavy structures such as retaining walls, abutments, and piers of bridges which carry heavy loads. The depths of the courses may vary from 15cm to 25 cm. 5. Ashlars Rock or Quarry- faced Masonry- The exposed face at the stone are not dressed to give and original appearance of the natural rock surface.The thickness at the course generally vary between 15cm to 25 cm.
B. Various type of ashlar masonry– 1. Ashlar Fine Masonry- In this masonry the stones of the same height are used and the courses are also of the same height. Ashlar fine masonry is the type of stone masonry in which finely dressed stones are laid in cement or lime mortar. 2. Ashlars Rough Tooled Masonry-Expose faces of stone has rough and uneven but corners and sides are perfect dressed. 3. Ashlars Chamfered Masonry-Dressing and surface are same as above but edged around the exposed faces of stone is chamfered at 450. 4. Ashlars Block-in- Course Masonry- This type of masonry is used in heavy structures such as retaining walls, abutments, and piers of bridges which carry heavy loads. The depths of the courses may vary from 15cm to 25 cm. 5. Ashlars Rock or Quarry- faced Masonry- The exposed face at the stone are not dressed to give and original appearance of the natural rock surface.The thickness at the course generally vary between 15cm to 25 cm.

Explanations:

Various type of ashlar masonry– 1. Ashlar Fine Masonry- In this masonry the stones of the same height are used and the courses are also of the same height. Ashlar fine masonry is the type of stone masonry in which finely dressed stones are laid in cement or lime mortar. 2. Ashlars Rough Tooled Masonry-Expose faces of stone has rough and uneven but corners and sides are perfect dressed. 3. Ashlars Chamfered Masonry-Dressing and surface are same as above but edged around the exposed faces of stone is chamfered at 450. 4. Ashlars Block-in- Course Masonry- This type of masonry is used in heavy structures such as retaining walls, abutments, and piers of bridges which carry heavy loads. The depths of the courses may vary from 15cm to 25 cm. 5. Ashlars Rock or Quarry- faced Masonry- The exposed face at the stone are not dressed to give and original appearance of the natural rock surface.The thickness at the course generally vary between 15cm to 25 cm.