Mechanical Characterization of Lightweight Concrete Produced with Steel Slag and Light-Expanded Clay Aggregate
Publish Year: 1402
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JEFM-7-2_003
تاریخ نمایه سازی: 25 آذر 1402
Abstract:
Light-expanded clay aggregates (LECA) is an alternative material which widely used in building materials and many other applications. This paper investigates the permeability, compressive, and splitting tensile strength of concrete specimens produced with ordinary coarse aggregate or LECA. Eight concrete mixes with the partial replacement of cement by steel slag powder were prepared to get an appropriate mix design for ordinary coarse aggregate or LECA concrete. The variables in the current study include steel slag content (۰% to ۶۰%) and curing time (۷, ۲۸, or ۹۰ days). This study finds out that ۴۰% of cement can be replaced by steel slag powder, which causes the compressive and splitting tensile strength to increase. The steel slag content has no important effect on the permeability coefficient of specimens. Furthermore, the compressive and splitting tensile strength of coarse aggregate concrete specimens is more than that of LECA concrete specimens for a given steel slag content and curing time. In general, increasing curing time results in an increase in both the compressive and splitting tensile strength of specimens.
Authors
M Bayat
Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
S Shiran
Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
M Nourmohammadi
Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
E Behzadpour
Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
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