Properties of cementitious composites containing active/Inter mineral admixtures

• Autorzy: Wu P. , Wang C. , Zhang Y. , Chen L. , Qian W. , Liu Z. , Jin C. , Li L.
• Języki publikacji: EN

Abstrakty

EN

Fly ash and ground iron ore tailings with fineness similar to cement were used as active and inert mineral admixtures in this study. This paper examines the compressive strength development of plain mortar and blend mortar containing fly ash and ground iron ore tailing. The mortar was cured at the same curing regime and a different water to cementitious material ratio was used. The autogenous shrinkage is also detected in the first seven days. At the early stage of hydration, fly ash and ground iron ore tailings played a role as physical filler during the hydration of the cementitious composites. As age increases, the pozzolanic reaction of fly ash became dramatic. Concrete with fly ash and ground iron ore tailings has a similar trend of autogenous shrinkage. As the amount of fly ash and ground iron ore tailings increases, autogenous shrinkage linearly decreases and their autogenous shrinkage is similar to each other. The autogenous shrinkage of concrete in one day is more than the total shrinkage of 80% in seven days.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2018
• Tom: 27
• Numer: 3
• Opis fizyczny: p.1323-1330,fig.,ref.

Twórcy

autor

Wu P.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Wang C.

• Jiangxi Key Laboratory of Mining Engineering, Jiangxi University of Science and Technology, Ganzhou Jiangxi Province 341000, China
• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China
• Tianjin Sunenergy Sega Environmental Science and Technology Co. Ltd, Tianjin 300000, China

autor

Zhang Y.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Chen L.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Qian W.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Liu Z.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Jin C.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

autor

Li L.

• School of Civil Engineering, Hebei University of Engineering, Handan Hebei Province, 056038, China

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Identyfikatory

DOI

10.15244/pjoes/76503