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Evaluation on the Deterioration and Resistance of Cement Matric due to Seawater Attack
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 Title & Authors
Evaluation on the Deterioration and Resistance of Cement Matric due to Seawater Attack
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 Abstract
Immersion tests with artificial seawater were carried out to investigate the resistance to seawater attack of 5 types of cement matrices. From the results of compressive strength and length change, it was found that blended cement mortars due to mineral admixtures, were superior to portland cement mortars with respect to the resistance to seawater attack. Moreover, XRD analysis indicated that the peak intensity ratio of low heat portland cement(LHC) paste, in portland cement pastes, had better results, and so did that of blended cement Paste. Pore volume of pastes by mercury intrusion porosimetry method demonstrated that total pore volume of ordinary portland cement(OPC) paste had a remarkable increase comparing with that of other pastes. In case of immersion of artificial seawater, the use of ground granulated blast-furnace slag and fly ash, however, showed the beneficial effects of 56% and 32% in reduction of total pore volume, respectively.
 Keywords
artificial seawater;compressive strength;length change;XRD analysis;
 Language
Korean
 Cited by
1.
석탄회를 활용한 저강도고유동화재의 공유수면매립현장에 대한 적용성 평가,공진영;정혁상;조삼덕;김주형;현재혁;천병식;

한국지반공학회논문집, 2012. vol.28. 12, pp.27-39 crossref(new window)
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