Adequacy of the EC8-Part 3 Proposed Confidence Factors for the Assessment of Existing RC Structures

Abstract eng:
The present study addresses the evaluation of the recommended values of the Confidence Factors (CFs) proposed in the general document of Eurocode 8, Part 3. The study assesses the reliability of the proposed CFs using a probabilistic framework for their evaluation. Though the general concept behind the consideration of CFs is independent of the type of structural material, the evaluation is presented for the case of reinforced concrete structures, more specifically for the concrete compressive strength. The number of material tests is considered to be the key factor used to set the probabilistic framework of the study, which is based on the concept of confidence intervals and considers different underlying statistical distributions for the material properties of interests.

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