Building & Construction Practice Test: Materials - Lime — Flashcards | Construction Industry | FatSkills

Building & Construction Practice Test: Materials - Lime — Flashcards

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Lime is a versatile building material used in construction for centuries. 

Lime has many properties, including:
Good plasticity
Flexibility
Easy workability
Strengthens masonry when used in mortar
Solidifies quickly and becomes hard
Allows buildings to breathe by allowing water to escape by evaporation 

Here are some basics of lime used in construction:
Hydrated lime:
A fine white powder made by adding water to quicklime. It's used in construction for various applications, including acid neutralization, waste treatment, and soil stabilization.
Calcium hydroxide: Also known as slaked lime, it's a commonly used material in construction for cement and concrete. You can buy it at hardware stores or builders supplies.
Calcium oxide: Obtained by calcinating limestone, kankar, and other calcareous substances at over 900°C. It's still a popular and cheap construction material, especially when locally available.
Quicklime: A calcium oxide (CaO) supplied commercially in a dry powder form. It's only suitable for lime stabilization in the pavement construction industry and general field construction activities.
Lime kiln dust: A strong, durable, and stable tool for material handling and installation professionals. It can withstand high heats and extreme pressures, reducing the risk of damage and distortion during use. 

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The process of heating to redness in the presence of air is called __________
Calcination
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