The Need for Standardization of Aggregates for Concrete Production .Lightweight aggregates are classified as natural and artificial depending . Normal weight aggregate is generally produced in Ethiopia by crushing parent rocks.availabity of light weight aggregate in ethiopia,subject. It is planned to proceed with this investigationScoria is found abundantly in Ethiopia. The use of . turol design. The availability of scoria in large quantitie1, where . study on the properties of lightweight aggregate concrete made with pumice and scoria found in Ethiopia was first made by.
availabity of light weight aggregate in ethiopia