Effect of the cement paste volume on the consistency of mixes for high performance massive and self-compacting concretes
Bartłomiej Zarzycki
Department of Building Engineering Technologies and Organization; Faculty of Civil Engineering and Architecture; Kielce University of Technology (Poland)
Wojciech Piasta
Department of Building Engineering Technologies and Organization; Faculty of Civil Engineering and Architecture; Kielce University of Technology (Poland)
https://orcid.org/0000-0002-0248-0154
Abstract
The article presents the results of research concerning the influence of the volume of cement paste and the w/c ratio on the consistency of concrete mixes for high-performance massive and self-compacting concrete. The research covered six types of concrete mixes containing from 220 to 420 dm3 of cement paste in a cubic meter. Three of them were designed as high-performance concrete and for comparison three conventional ones. The consistency was tested with two methods: concrete slump test and flow table test, also additional tests of self-compacting mix were made. Compressive strength test were conducted to prove that concretes are high-performance. A high influence of the volume of cement paste on the workability and consistency of fresh concrete mix has been found, while the influence of the w/c ratio is considerably lower due to the dosage of high-quality superplasticizer.
Keywords:
cement paste, consistency, concrete mix, high-performance concrete, self-compacting concrete, massive concreteReferences
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Authors
Bartłomiej ZarzyckiDepartment of Building Engineering Technologies and Organization; Faculty of Civil Engineering and Architecture; Kielce University of Technology Poland
Authors
Wojciech PiastaDepartment of Building Engineering Technologies and Organization; Faculty of Civil Engineering and Architecture; Kielce University of Technology Poland
https://orcid.org/0000-0002-0248-0154
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