Abstract
The present research work explores the use of sintered fly ash aggregate (SFA) as a partial replacement to natural coarse aggregate (NCA) for the development of sustainable structural lightweight concrete (LWC). In this regard, the natural aggregates are partially replaced by the sintered fly ash aggregates, i.e.,0%, 10%, 15%, 20%,25% and 30% of its volume. To find out its performance, In the present research work, 40MPa concrete has been prepared and performed the Mechanical properties (such as Compressive strength and split tensile strengths) and Durability properties (like water absorption test and permeability) Based on the obtained results, The 20% of sintered fly ash aggregates based LWSCC has got higher strength (i.e., 56.88MPa) than others mixes, which was considered as optimum mix in the present research work. However, 20% sintered fly ash aggregates replaced mix has high strengths and durability performance.
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