건축도시공간연구소

Architecture & Urban Research Institute

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한국건축시공학회|논문집 2016년 4월

논문명 The Use of Semi-Adiabatic Calorimetry for Hydration Studies of Cement Paste
저자명 정철우 ; 김지현식별저자 ; 이수용
발행사 한국건축시공학회
수록사항 한국건축시공학회 논문집, Vol.16 No.2 (2016-04)
페이지 시작페이지(185) 총페이지(8)
ISSN 15982033
주제분류 시공(적산)
주제어 ; semi-adiabatic ; calorimetry ; hydration ; cement paste
요약2 The semi-adiabatic calorimetry technique is a robust and easy technique that can be used to measure the temperature rise of concrete. This method is often used for investigating the maturity of concrete, as well as to predict maximum temperature rise of mass concrete using various heat loss compensating models. Semi-adiabatic calorimetry can also be used for predicting setting time of concrete. However, it has seldom been used to investigate the hydration characteristics of various cement paste samples. In this research, semi-adiabatic calorimetry and X-ray diffraction methods were used to investigate the hydration characteristics of 3 different ASTM type I Portland cements. First derivative of temperature rise (dT/dt) curve was used to isolate individual peaks. Based on the results of the experiments, a combination of dT/dt curve with XRD could be used to successfully identify hydration at a specific time period, showing its potential to be used as an alternative tool for hydration studies of cement-based materials.
소장처 한국건축시공학회
언어 한국어
DOI http://dx.doi.org/10.5345/JKIBC.2016.16.2.185
분석서지
건설기술 > 건설재료 > 콘크리트 > 기타