[KSCI] Korea Science Citation Index Service

http://dx.doi.org/10.4334/IJCSM.2006.18.1E.063

Alkali-Silica Reaction of Crushed Stones

Jun, Ssang-Sun (Dept. of Civil Engineering, Pusan National University)
Jin, Chi-Sub (Dept. of Civil Engineering, Pusan National University)

Publication Information

International Journal of Concrete Structures and Materials / v.18, no.1E, 2006 , pp. 63-70 More about this Journal

Abstract

This study tested the alkali-silica reactivity of various types of crushed stones, following the specifications of ASTM C 227 and C 1260, and the results obtained from the tests were compared. This study also analyzed the effects of particle size and grading of reactive aggregate based on the expansion of mortar-bar due to an alkali-silica. The effect of mineral admixtures to reduce the detrimental expansion caused by the alkali-silica reaction was investigated based on the method specified by ASTM C 1260. The mineral admixtures used in this study were fly ash, silica fume, metakaolin and ground granulated blast furnace slag. The replacement ratios of 0, 5, 10, 15, 25 and 35% were uniformly applied to all the mineral admixtures, and the replacement ratios of 45 and 55% were additionally applied for the admixtures that could sustain the workability at these ratios. The results indicate that replacement ratios of 25% for fly ash, 10% for silica fume, 25% for metakaolin and 35% for ground granulated blast furnace slag were the most effective in reducing the expansion due to the alkali-silica reaction under the experimental conditions of this study.

Keywords

crushed stone; alkali-silica reaction; fly ash; silica fume; metakaolin; ground granulated blast furnace slag;

Citations & Related Records

Times Cited By KSCI : 1 (Citation Analysis)

Reference
Cited By KSCI

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