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http://dx.doi.org/10.4334/JKCI.2004.16.3.303

A Study on Strength Development and Resistance to Sulfate Attack of Mortar Incorporating Limestone Powder  

Koh Kyung-Taek (Korea Institute of Construction Technology)
Yoo Won-Wi (Div of R&D, RT)
Han Sang-Mook (Dept. of Civil Engineering, Kumoh National University of Technology)
Publication Information
Journal of the Korea Concrete Institute / v.16, no.3, 2004 , pp. 303-310 More about this Journal
Abstract
The purpose of this study was to investigate the effect of using method and replacement ratio of limestone powder and water-cement ratio on the compressive strength and the resistance to sulfate attack of mortar incorporating limestone powder as fundamental study to use limestone powder as an addition for concrete. As a results, The method using limestone powder as a part of cement showed decrease of the compressive strength of mortar. The strength of mortar incorporating limestone powder almost decided upon unit cement content. It was recognized that the method replacing limestone powder as a part of cement was effective to decrease the heat of hydration in concrete. The method using limestone powder as a part of fine aggregate showed the considerable increase of the strength and resistance to sulfate attack of concrete. Furthermore, it was recognized that the method using limestone powder as a part of fine aggregate were effective materials as an addition for concrete in view of the improvement of strength and resistance to sulfate attack.
Keywords
limestone powder; compressive strength; resistance to sulfate attack; mortar;
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