Lightweight self-compacting concrete : a review

Abstract

Owing to the favorable properties of self-compacting concrete and light-weight aggregate concrete, the development of self-compacting concrete is an engineering excellence, although its application in civil engineering is limited due to a lack of in-depth research. The current review aimed to provide a detailed study of lightweight self-compacting concrete containing several types of natural and sustainable lightweight aggregates. As a primary constituent of lightweight self-compacting concrete, lightweight aggregates are mainly responsible for variation in strength and bulk density of concrete. The impact of different types of lightweight aggregate and other influential factors on workability, strength, and durability have been carefully discussed in this study which shows it is possible to develop lightweight self-compacting concrete even below the 1000 kg/m3 density. In addition, lightweight self-compacting concrete shows excellent frost resistance. The study is a novel initiative to accumulate findings of lightweight self-compacting concrete for its broad acceptance, and future scope of work.