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논문 기본 정보

자료유형
학술저널
저자정보
B-Jahromi, Ali (Department of Civil Engineering, School of Computing and Engineering, University of West London) Rotimi, Abdulazeez (School of Computing and Engineering, University of West London) Tovi, Shivan (School of Computing and Engineering, University of West London) Goodchild, Charles (The Concrete Centre) Rizzuto, Joseph (Department of Civil Engineering, School of Computing and Engineering, University of West London)
저널정보
테크노프레스 Advances in concrete construction Advances in concrete construction 제5권 제2호
발행연도
2017.1
수록면
155 - 171 (17page)

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The phenomenon of concrete column shortening has been widely acknowledged since it first became apparent in the 1960s. Axial column shortening is due to the combined effect of elastic and inelastic deformations, shrinkage and creep. This study aims to investigate the effects of ambient temperature, relative humidity, cement hardening speed and aggregate type on concrete column shortening. The investigation was conducted using a column shortening prediction model which is underpinned by the Eurocode 2. Critical analysis and evaluation of the results showed that the concrete aggregate types used in the concrete have significant impact on column shortening. Generally, aggregates with higher moduli of elasticity hold the best results in terms of shortening. Cement type used is another significant factor, as using slow hardening cement gives better results compared to rapid hardening cement. This study also showed that environmental factors, namely, ambient temperature and relative humidity have less impact on column shortening.

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