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Effects of Quality Control on Reliability of Reinforced Concrete Structures according to Eurocodes

  • The effect of quality control on structural reliability represents an increasingly important concern of designers and thus is investigated in this contribution, focusing on reinforced concrete structures. Recent European documents for structural design – Eurocodes, fib Model Code 2010 and ISO 2394:2015 for general principles on structural reliability indicate that the partial factors may be adjusted to available information on the quality control of structures. In particular, the partial factors for concrete and steel strength may be significantly reduced taking into account actual execution quality and related available data. Using probabilistic methods of structural reliability, effects for execution quality are investigated in this contribution considering two fundamental reinforced concrete members: a beam (or slab) exposed to bending and a short column exposed to compression. It is shown that the reliability of reinforced concrete members may vary with the load ratio of variable and permanent actions. It appears also that the structural members of a basic quality, designed using unreduced partial factors, have a greater reliability level than the members of an increased quality, designed using the partial factors reduced according to EN 1992 1 1. This provides the basis for recommendations for further code developments.

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Metadaten
Author:Milan Holický, Dimitris DiamantidisORCiDGND, Miroslav SýkoraORCiDGND
URL / DOI:https://www.researchgate.net/publication/310616676_Effects_of_quality_control_on_reliability_of_reinforced_concrete_structures_according_to_Eurocodes
Parent Title (English):fib Symposium 2016 : Performance-Based Approaches for Concrete Structures, 14, 2016, Cape town
Document Type:conference proceeding (article)
Language:English
Year of first Publication:2016
Release Date:2022/11/24
Tag:Eurocodes; partial factors; quality control; reliability
Institutes:Fakultät Bauingenieurwesen
research focus:Energie und Mobilität
Licence (German):Keine Lizenz - Es gilt das deutsche Urheberrecht: § 53 UrhG