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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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PURPOSES : Durability of concrete is traditionally based on evaluating the effect of a single deterioration mechanism such as freezing & thawing action, chloride attack, carbonation and chemical attack. In reality, however, concrete structures are subjected to varying environmental exposure conditions which often results in multi-deterioration mechanism occurring. This study presents the experimental results on the durability of concrete incorporating air-cooled slag(AS) and/or water-cooled slag(WS) exposed to multi-deterioration environments of chloride attack and freezing & thawing action. METHODS : In order to evaluate durable performance of concretes exposed to single- and multi-deterioration, relative dynamic modulus of elasticity, mass ratio and compressive strength measurements were performed. RESULTS :It was observed that multi-deterioration severely affected durability of concrete compared with single deterioration irrespective of concrete types. Additionally, the replacement of cement by AS and WS showed a beneficial effect on enhancement of concrete durability. CONCLUSIONS : It is concluded that resistance to single- and/or multi-deterioration of concrete is highly dependent on the types of binder used in the concrete. Showing the a good resistance to multi-deterioration with concrete incorporating AS, it is also concluded that the AS possibly is an option for concrete materials, especially under severe environments.
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참고문헌 (10)
참고문헌 신청
El-Diamony, H / 2013 / Effect of substitution of granulated slag by air-cooled slag on the properties of alkali activated slag / Ceramic International 39:171~181
전중규 / 2008 / 나일론섬유보강 터널 라이닝 콘크리트의 내구성능 평가 / 콘크리트학회 논문집 20(4):487~493
Kuosa, H / 2014 / Effect of coupled deterioration by freeze-thaw, carbonation and chlorides on concrete service life / Cement and Concrete Research 47:32~40
Morioka / 2002 / Influence of fine powder of air-cooled blast furnace slag on fluidity and its mechanism / Cement Science and Concrete Technology 56:72~77
Mostafa, NY / 2001 / Hydraulic activity of water-cooled slag and air-cooled slag at different temperatures / Cement and Concrete Research 31:475~484
전중규 / 2008 / 나일론섬유보강 터널 라이닝 콘크리트의 내구성능 평가 / 콘크리트학회 논문집 20(4):487~493
Kuosa, H / 2014 / Effect of coupled deterioration by freeze-thaw, carbonation and chlorides on concrete service life / Cement and Concrete Research 47:32~40
Morioka / 2002 / Influence of fine powder of air-cooled blast furnace slag on fluidity and its mechanism / Cement Science and Concrete Technology 56:72~77
Mostafa, NY / 2001 / Hydraulic activity of water-cooled slag and air-cooled slag at different temperatures / Cement and Concrete Research 31:475~484
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