Effects of petrochemical wastes incinerator ash powder instead of Portland cement on the properties of concrete

Document Type : Research Note

Authors

1 partment of Civil Engineering, Isfahan University of Technology, Isfahan, Iran

2 Department of Civil Engineering, Tabriz Branch, Islamic Azad University, Tabriz, Iran

3 Young Researchers and Elite Club, Tabriz Branch, Islamic Azad University, Tabriz, Iran

4 Department of Project Management, Payame Noor University, Iran

Abstract

Petrochemical wastes incinerator ash is generated from industries in which the landfi ll is the last step for their
flowing. 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 in 7, 28, and 90 days. Test results indicated that by using PCIAP as partial replacement of cement, stabilization, solidi cation, and neutralization treatment processes for the industrial wastes management were carried out, and the test
results of the mixture M-2 (5% PCIAP) indicated that it can be used to make concrete which is lighter than normal concrete and heavier than structural lightweight aggregate concrete.

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Scientia Iranica
Volume 24, Issue 3
Transactions on Civil Engineering (A)
May and June 2017
Pages 1017-1026

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