논문KCI 등재
Cementitious nanostructures: Nanoporosity
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초록
Abstract
Relaxation 1H-NMR was used to characterize the nanostructure of cementitious pastes, together with measurements of hydration and mechanical properties. The influence of cure parameters (hydration time and temperature) and composition parameters (water-to-cement ratio and silica and superplasticizer addition) was studied. In silica-free materials, the relaxationtime curve shows five characteristic times, T1,i, each of them being related to a given class of porosity, ranging from very small pores, at the inside of C-S-H nanocrystallites, to large, capillary pores. In silica-containing materials, there is an appearance of a supplementary signal, which is due to a pozzolanic reaction.
참고문헌 (3)
- A. Plassais, "Nanoporosit？, texture et propri？t？s m？caniquesde p？tes de ciment (in French)" (2003), Universit？ Pierre et Marie Curie
- H. Shiyuan, "Hydration of fly ash cement and microstructure of fly ash cement pastes" (1981)
- K.L. Scrivener, "in 9th International Congress on the chemistry of Cement", pp.~482
관련 논문AI추천
Hydration, Strength and pH Properties of Porous Concrete김영익, 성찬용한국농공학회 · 한국농공학회논문집2007 · 제49권 제3호Meso-Scale Approach for Prediction of Mechanical Property and Degradation of ConcreteTamon Ueda한국재료부식학회 · CORROSION SCIENCE AND TECHNOLOGY2004 · 제3권 제3호Cementitiuous materials for crack self-healing concreteKwang Bo Shim청정에너지연구소 · Journal of Ceramic Processing Research2015 · 제16권 제1호Characteristic of Steel Corrosion in Carbonated ConcreteJ.J. You, Yoshiteru Ohno한국재료부식학회 · CORROSION SCIENCE AND TECHNOLOGY2005 · 제4권 제4호Effects of Cement Alkalinity on the Time-to-Corrosion of Reinforcing Steel in Concrete under Chloride Exposure김기준, Jin Gak Nam, William H Hartt한국재료부식학회 · CORROSION SCIENCE AND TECHNOLOGY2004 · 제3권 제6호Nanoparticles for materials design: present & future버트란드리, L. Qi, T. Copeland청정에너지연구소 · Journal of Ceramic Processing Research2005 · 제6권 제1호
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