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1 Technical Sciences / University of Warmia and Mazury in Olsztyn

1 2018

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Use of admixture effectiveness curves for prediction of the compressive strength of concrete

Grzybowska A., Mrozik Ł.

Technical Sciences / University of Warmia and Mazury in Olsztyn

2018

nr 21(3)

175--182

This paper presents the results of individual laboratory tests conducted in the Research and Experiment Facility of the University of Science and Technology in Bydgoszcz, in particular of tests conducted on pastes of low water-binder ratios (from 0.2 to standard water demand (Mrozik 2012)). The purpose of this document is to examine the effect of the applied admixtures (plasticizer or superplasticizer) and its amount on the bulk density of a cement paste, thus on the compressive strength of concrete (as shown in the paper (Neville 2012), properties of concrete can be estimated on the basis of pastes). Conclusions concerning the suitability of specific amounts of plasticisers and superplasticizers were formulated and effectiveness curves were established on the basis thereof.