Strength, Durability, and Microstructure of Foamed Concrete Prepared Using Special Soil and Slag

Foamed concrete (FC) is a lightweight building material widely used in thermal insulation walls, backfill, and other fields. Generally, foamed prepared using cement, which consumes lot energy resources. In this study, three kinds of special soil (SS) slag powder (SP) were to prepare concrete. The content SS was 25%, the SP 35%, 45%, 55%. mechanical properties, durability microstructure soil-slag (SSFC) studied. With increase content, water absorption drying shrinkage SSFC increased compressive strength decreased. stability coefficients all higher than 0.7, met requirements engineering applications. porosity average diameter pores with content. less 46% when replacement percentage 35%. successful application provides an effective approach waste utilization.