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http://dx.doi.org/10.11112/jksmi.2013.17.3.108

Experimental Study on Evaluation of Material Properties in Cement Mortar with Pond Ash  

Jung, Sang Hwa (한국건설생활환경 시험연구원)
Kim, Joo Hyung (한국건설생활환경 시험연구원)
Kwon, Seung Jun (한남대학교 건설시스템공학과)
Publication Information
Journal of the Korea institute for structural maintenance and inspection / v.17, no.3, 2013 , pp. 108-117 More about this Journal
Abstract
Among the byproducts from thermal power plant using coal combustion, fly ash as mineral admixture is widely utilized in concrete manufacturing for its engineering merits. However residuals including bottom ash are usually reclaimed. This study presents an evaluation of engineering properties in cement mortar with pond ash (PA). For this work, two types of pond ash (anthracite and bituminous coal) are selected from two reclamation sites. Cement mortar specimens considering two w/c (0.385 and 0.485) ratios and three replacement ratio of sand (0%, 30%, and 60%) are prepared and their workability, mechanical, and durability performance are evaluated. Anthracite pond ash has high absorption and smooth surface so that it shows reasonable workability, strength development, and durability performance since it has dense pore structure due to smooth surface and sufficient mixing water inside. Reuse of PA is expected to be feasible since PA cement mortar has reasonable engineering performance compared with normal cement mortar.
Keywords
Pond ash; Coal combustion; Cement mortar; Durability; Workability;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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