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Why and where stone is preferred

Short answer

Stone is preferred for its high compressive strength, durability, low maintenance, natural appearance, local availability in hilly regions, and thermal comfort. It is used in foundations, walls, retaining structures, bridge piers, road aggregates, flooring, and decorative cladding.

Explain why and where the use of stone is preferred in engineering constructions (benefits of natural stone as building material).

Stone is a natural building material taken directly from rock. It is preferred when strength, durability and good appearance are needed with low maintenance.

Benefits of natural stone

  • Strong and durable: high compressive strength and long life (granite, basalt).
  • Hard and resistant to weather, fire (to a degree), insects and rot.
  • Low maintenance, since it needs no paint.
  • Pleasing appearance: natural colour and texture, can be polished and carved.
  • Locally available in hilly Nepal, so cheap and easy to obtain.
  • Heavy, giving stability to retaining structures.
  • Thermal comfort: stone walls keep buildings cool in summer and warm in winter.

Where it is preferred

  • Foundations and masonry walls of buildings in hilly areas.
  • Retaining walls, check dams, gabion walls, bridge piers and abutments, and river training works.
  • Road aggregates, ballast for railways and concrete aggregate.
  • Flooring, steps, facing and cladding (marble, granite, slate).
  • Roof covering (slate), kerbs, paving, monuments and decorative work.

✓ Answer checked by Claude Opus 5.5 (high effort)

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