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http://dx.doi.org/10.4334/JKCI.2016.28.4.395

Effect of Cementitious Composite on the Thermal and Mechanical Properties of Fiber-Reinforced Mortars for Thermal Energy Storage  

Yang, In-Hwan (Dept. of Civil Engineering, Kunsan National University)
Kim, Kyoung-Chul (Dept. of Civil Engineering, Kunsan National University)
Choi, Young-Cheol (Korea Conformity Laboratories)
Publication Information
Journal of the Korea Concrete Institute / v.28, no.4, 2016 , pp. 395-405 More about this Journal
Abstract
The thermal and mechanical properties of fiber-reinforced mortars for thermal energy storage were investigated in this paper. The effect of the combination of different cementitious composite on the thermal and mechanical characteristics of fiber-reinforced mortars was investigated. Experiments were performed to measure mechanical properties including compressive strength before and after thermal cycling and split tensile strength, and to measure thermal properties including thermal conductivity and specific heat. The results showed that the residual compressive strength of mixtures with OPC and graphite was greatest among the mixtures. Thermal conductivity of mixtures with alumina cement was greater than that of mixtures with OPC, indicating favor of alumina cement for charging and discharging in thermal energy storage system. The addition of zirconium into alumina cement increased specific heat of mixtures. Test results of this study could be used to provide information of material properties for thermal energy storage concrete.
Keywords
cement composite; thermal energy; residual compressive strength; thermal conductivity; specific heat;
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Times Cited By KSCI : 1  (Citation Analysis)
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