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http://dx.doi.org/10.14190/JRCR.2021.9.4.625

An Experimental Study on Thermal Property of Porous Concrete Containing Bottom Ash  

Jeong, Seung-Tae (Department of Civil Engineering, Kunsan National University)
Kim, Bum-Soo (Department of Civil Engineering, Kunsan National University)
Park, Ji-Hun (Department of Civil Engineering, Kunsan National University)
Yang, In-Hwan (Department of Civil Engineering, Kunsan National University)
Publication Information
Journal of the Korean Recycled Construction Resources Institute / v.9, no.4, 2021 , pp. 625-632 More about this Journal
Abstract
In this paper, the applicability of bottom ash to insulation concrete was investigated to increase the utilization of bottom ash. Bottom ash was used as the aggregates in porous concrete and extensive experiments were conducted to investigate the characteristics of porous concrete using two types of bottom ash aggregates. The water-binder ratios of 0.25 and 0.35 were chosen and concrete specimens was produced with the compaction of 0.5, 1.5, and 3.0MPa to analyze the material properties at different compaction conditions. After concrete specimens were cured for 28 days at water tanks, unit weight, total void ratio, and thermal conductivity were measured. Based on the measured experimental results, the relationships between the unit weight, total void ratio, and thermal conductivity of porous concrete containing bottom ash was presented.
Keywords
Bottom ash; Compaction; Total void ratio; Unit weight; Thermal conductivity;
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