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Ultra High Performance Concrete withultrafine particles other than silica fume

A comparison of different cement extenders


Several ultrafines were used to produce Very High Performance Concrete (VHPC) and Ultra High Performance Concrete (UHPC). The ultrafine powders used were metakaolin (MK), pulverized fly ash (PFA), limestone microfiller (LM), siliceous microfiller (SM) and micronized phonolith (PH). This paper deals with the performances obtained with these ultrafines: compressive and tensile strength, porosity, water absorption and resistance to carbonation. The results show that other ultrafines than silica fume can be used in VHPC and UHPC.

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CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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