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Vol 15, Issue 1, 2022
Pages: 0 - 0
Review paper
Architecture
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Published: 01.12.2021. Review paper Architecture

RESISTANCE TO CRACK PROPAGATION OF HIGH-PERFORMANCE CONCRETE

By
Jakob Šušteršič ,
Jakob Šušteršič
Rok Ercegovič ,
Rok Ercegovič
David Polanec
David Polanec
Abstract

This paper discusses the results of investigations on the resistance to crack propagation carried out as part of a large-scale project to develop high-performance concretes (HPCs) for the secondary lining of a low and intermediate level waste disposal shaft. Four HPCs were investigated, in which the quantity of the binder component and the proportions of the two cements and the silica fume in it were varied. We have also added steel fibers to one HPC. The wedge splitting test method was used to determine the resistance to crack propagation. The results obtained show that all the HPC investigated achieve good resistance to crack propagation. The addition of steel fibers further improves this resistance.

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