Lightweight concretes can either be lightweight aggregate concrete, foamed concrete or autoclaved aerated concrete (AAC). Lightweight concrete can be produced using a variety of lightweight aggregates such as, volcanic pumice, clay ,slate, etc.
Application
Light Weight Concrete is used in,
✦ Structural applications, with strengths equivalent to normal weight concrete.
✦ Covering for architectural purposes.
✦ Heat insulation on roofs.
✦ Insulation of water pipes.
Properties
✦ Reduction in dead loads making savings in foundations and reinforcement.
✦ Improved thermal properties.
✦ Improved fire resistance.
✦ Savings in transporting and handling precast units on site.
