Lime concrete is prepared by using aggregate and _________ as binding material.

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UKPSC JE Civil 2013 Official Paper I
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  1. slaked lime
  2. quick lime
  3. mixture of quick lime and cement
  4. lime stone powder

Answer (Detailed Solution Below)

Option 1 : slaked lime
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Detailed Solution

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Explanation:

Lime Concrete:

  • Lime concrete is a composite mixture of hydraulic lime(or slaked lime) as binding material, sand as fine aggregate, and gravel as coarse aggregate in appropriate proportions.

Cement Concrete 

  • Cement concrete is a composite mixture of cement as binding material, sand as fine aggregate, and gravel as coarse aggregate in appropriate proportions

Difference between lime concrete and cement concrete:

  • Lime hardens much more slowly than cement-containing mortars, making it much more workable.
  • Lime is also less brittle and less prone to cracking, and any cracked areas can absorb carbon dioxide and mend over time.
  • The cement hardens very quickly but may be too strong for some applications, e.g., working with old bricks.
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