Prediction of pumping pressure by means of new tribometer for highly-workable concrete
作者： Dimitri Feys , Kamal H. Khayat , Aurelien Perez-Schell , Rami Khatib
DOI: 10.1016/J.CEMCONCOMP.2014.12.007
关键词:
摘要: Predicting pressure during pumping has received special attention in recent years. For conventional vibrated concrete (CVC), Kaplan et al. developed a tribometer to characterize the properties of the lubrication layer that is formed when concrete flows in a pipeline, to predict pressure. As this approach is limited to CVC, a new tribometer and data treatment procedure were recently developed by the authors, extending this approach for highly-workable concrete. This paper describes full-scale pumping tests undertaken to validate the …
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