Preparation of Lightweight Concrete by using of LECA Aggregates

Abstract

This report expresses influence of LECA in the concrete. In this report LECA is used as a replacement of coarse aggregate construction of lightweight aggregate in the essential need of our society. It reduces total weight of structure which is very helpful in the construction of high rise building by using lightweight concrete 20 to 30% dead load of building is reduced. LECA is use in concrete to reduce the required amount of coarse aggregate and furthermore in the design of concrete based structures, hence self weight occupies extremely great portion of load coming on to the structures, critically in cases such are weak soil or tall structure. Coarse aggregate is replaced 21% by using LECA. In this experimentation, concrete cubes are casted at water cement 0.34, 0.40 and 0.42 correspondingly. These cubes are tested for compressive strength, result of these cubes for compressive strength are very pleasing at water cement ratio 0.42. This experimentation shows behaviour of lightweight concrete at different water cement ratio for a fixed substitution of coarse aggregate such as compressive strength. After this experimentation, all the aim of such research is done.