The quality index for produced concrete and reliability in relation to the small size sample

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Published: Jun 11, 2014
DOI: https://doi.org/10.35784/bud-arch.1888
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DOI

https://doi.org/10.35784/bud-arch.1888

Authors

Izabela Skrzypczak

izas@prz.edu.pl

Department of Geodesy and Geotechnics; Faculty of Civil and Environmental Engineering; Rzeszow University of Technology
https://orcid.org/0000-0003-0978-3040
Lidia Buda-Ożóg

lida@prz.edu.pl

Department of Building Structures; Faculty of Civil and Environmental Engineering; Rzeszow University of Technology
https://orcid.org/0000-0002-1205-1345

Abstract

Compliance criteria for the sample size n = 3 have a lot of disadvantages [5,6,7] and they can affect the reduction of quality of produced concrete and, consequently,  they can cause too much risk of the recipient (the investor) side. Therefore, the effect of the sample size on the defined quality index of produced concrete has been evaluated. The effect of the sample size and standard deviation on the reliability index of reinforced concrete structures has also been determined.The impact analysis of compliance criteria on the reliability index of reinforced concrete structures was conducted for a compression column. The obtained values of the reliability index results confirm the correctness of the quality index formula and concrete quality proposed in method of defining.

Keywords:

concrete, quality index, reliability index, reinforced structures

References

Article Details

Skrzypczak, I. and Buda-Ożóg, L. (2014) “The quality index for produced concrete and reliability in relation to the small size sample”, Budownictwo i Architektura, 13(2), pp. 135–141. doi: 10.35784/bud-arch.1888.