Effects of petrochemical wastes incinerator ash powder instead of Portland cement on the properties of concrete
Abstract Petrochemical industries generate petrochemical wastes incinerator ash that its stream will end in landfill. This research was performed for waste management of ash and its possible large-scale utilization in making concrete. An experimental investigation carried out to evaluate the mechanical properties of concrete mixtures in which Portland cement type II was partially replaced with petrochemical complex incinerator ash powder (PCIAP). The cement was replaced with various amounts of PCIAP, i.e. 5%, 10%, 15%, 20%, and 25%. Tests were performed on the properties of fresh concrete as well as hardened concrete. Compressive, splitting tensile and flexural strengths, and modulus of elasticity were determined at 7, 28, and 90 days. Test results indicated that with using PCIAP as partial replacement of cement was carried out stabilization, solidification and neutralization treatment processes for the industrial wastes management and the test results of the mixture M-2 (5% PCIAP) indicated that it can be used in making concrete which is lighter than normal concrete and heavier than structural lightweight aggregate concrete.
Scientia Iranica, Volume:24 Issue: 3, 2017
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