The Sunshine Club visits Ohorongo Cement

Plastic shrinkage is the reduction in concrete volume which occurs when water is removed from compacted concrete b...

Plastic shrinkage is the reduction in concrete volume which occurs when water is removed from compacted concrete before it sets. Water can be removed from plastic concrete (concrete which has not yet set) either by evaporation or by being absorbed by dry surfaces such as soil or dry concrete onto which the fresh concrete is placed. When the shrinkage is restrained either by formwork or by other concre...

Plastic shrinkage is the reduction in concrete volume which occurs when water is removed from compacted concrete b...

Plastic shrinkage is the reduction in concrete volume which occurs when water is removed from compacted concrete before it sets. Water can be removed from plastic concrete (concrete which has not yet set) either by evaporation or by being absorbed by dry surfaces such as soil or dry concrete onto which the fresh concrete is placed. When the shrinkage is restrained either by formwork or by other concrete, the concrete can crack. This is call...