Shehri Kisaan

Lightweight aggregate is a type of construction material made from natural, synthetic, or recycled materials that are used to reduce the weight of concrete and other construction products. These aggregates are designed to provide better workability, improved thermal insulation, and reduced density in concrete mixes. Below is a detailed description of lightweight aggregate:

• Natural Sources: Can be made from naturally occurring materials such as pumice, volcanic ash, and expanded shale, clay, or slate.
• Synthetic Sources: Includes materials like expanded polystyrene (EPS), expanded perlite, or sintered fly ash.
• Recycled Materials: Crushed and processed recycled glass, slag, or industrial by-products.

• Appearance: Varies based on the source; generally, it has a porous, rough texture with a light gray to tan color.
• Density: Significantly lower than conventional aggregates, typically ranging from 800 to 1600 kg/m³.
• Particle Size: Available in various sizes, typically ranging from fine to coarse particles (2mm to 20mm).
• Porosity: High porosity, which contributes to its lightweight nature and insulation properties.

• Lightweight: Reduces the overall weight of concrete, making it easier to handle and transport.
• Insulating Properties: Provides better thermal and acoustic insulation compared to traditional aggregates.
• Fire Resistance: Offers enhanced fire resistance due to the low thermal conductivity of the materials.
• Improved Workability: Easier to mix and work with, especially in high-rise buildings or structures with weight constraints.