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In-Situ Strength Assessment of Concrete: Detailed Guidelines

TitleIn-Situ Strength Assessment of Concrete: Detailed Guidelines
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication2021
AuthorsBreysse, D., Balayssac J.-P., Alwash M., Biondi S., Chiauzzi L., Corbett D., Garnier V., Goncalves A., Grantham M., Gunes O., Kenai S., Luprano Vincenza A. M., Masi A., Moczko A., Qasrawi H.Y., Romão X., Sbartai Z.M., A. Monteiro Valente, and Vasanelli E.
JournalRILEM State-of-the-Art Reports
Volume32
Pagination3-56
ISSN2213204X
Abstract

Guidelines describe the general process of in-situ compressive strength assessment. This process is divided into three main steps, data collection (using nondestructive testing and destructive testing), model identification and strength assessment. Three estimation quality levels (EQL) are defined depending on the targeted accuracy of strength assessment, based on three parameters, mean value of strength and standard deviation of strength on a test region and local value of strength. All the necessary definitions (test location, test reading, test region, test result, …) are given and the different stages of data collection, i.e. planning, NDT methods, cores (dimensions, conservation, location, testing, etc) are described. The identification of the conversion model is detailed and a specific attention is paid to the assessment of test result precision (TRP). For the identification of the model parameters, two options are considered either the development of a specific model or the calibration of a prior model. A specific option is also proposed, namely the bi-objective approach. Finally, the quantification of the errors of model fitting and strength prediction is described. The global methodology is synthetized in a flowchart. © 2021, RILEM.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85105159204&doi=10.1007%2f978-3-030-64900-5_1&partnerID=40&md5=56c1a8a23acb6725883faf96f32e56a5
DOI10.1007/978-3-030-64900-5_1
Citation KeyBreysse20213