지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2011.1
- 수록면
- 379 - 386 (8page)
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초록· 키워드
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Durability of concrete is an important issue, and one of the most critical aspects affecting durability is chloride diffusivity. Factors such as water.cement ratio, degree of hydration, volume of the aggregates and their particle size distribution have a significant effect on chloride diffusivity in concrete. The use of polypropylene fibers(particularly very fine and well dispersed micro fibers) or mineral additives has been shown to cause a reduction in concrete's permeability. The main objective of this study is to evaluate the manner in which the inclusion of fiber(in terms of volume and size) and blast furnace slag(BFS) (in terms of volume replacement of cement) influence the chloride diffusivity in concrete by applying 3D computer modeling for the composite structure and performing a simulation of the chloride penetration. The modeled parameters, i.e. chloride diffusivity in concrete, are compared to the experimental data obtained in a parallel chloride migration test experiment with the same concrete mixtures. A good agreement of the same order is found between multi.scale microstructure model, and through this chloride diffusivity in concrete was predicted with results similar to those experimentally measured.
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참고문헌 (12)
참고문헌 신청
Kim DH / 2010 / Effect of tensile loading the chloride penetration of concrete mixed with granulated blast furnace slag / of Advanced Concrete Technology 8(1):27~34
Sugiyama T / 2003 / Simultaneous transport of chloride and calcium ions in hydrated cement systems / Journal of Advanced Concrete Technology 1(2):127~138
Bentz DP / CEMHYD3D: A Three‐dimensional cement hydration and microstructure development modelling package
Staneva P / 2005 / Computer 3D model of concrete chloride penetration / Proceeding International Conference on Durability of Building Materials and Components :116
Benz DP / 2000 / Influence of silica fume on diffusivity in cementbased materials. II. Multi‐scale Modeling of Concrete Diffusivity / Cement and Concrete Research 30(7):1121~1129
Sugiyama T / 2003 / Simultaneous transport of chloride and calcium ions in hydrated cement systems / Journal of Advanced Concrete Technology 1(2):127~138
Bentz DP / CEMHYD3D: A Three‐dimensional cement hydration and microstructure development modelling package
Staneva P / 2005 / Computer 3D model of concrete chloride penetration / Proceeding International Conference on Durability of Building Materials and Components :116
Benz DP / 2000 / Influence of silica fume on diffusivity in cementbased materials. II. Multi‐scale Modeling of Concrete Diffusivity / Cement and Concrete Research 30(7):1121~1129
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