The estimate of concrete compressive strength is a major aspect in the assessment of reinforced concrete existing structures since it involves safety issues. The method of extracting concrete cores from the buildings under investigation is considered in this paper. In the first part, a brief review concerning procedures proposed by international technical codes as well methods available in the scientific literature, is made. In particular, formulations proposed for the determination of the actual concrete strength, starting from the one obtained from laboratory tests on cores, are examined. Special attention is devoted to the various factors affecting the estimate of the actual strength and relative correction coefficients. In the second part, the considered procedures are applied to a case study concerning a school building in Tuscany; comparison among different formulations allows some considerations on the reliability of the adopted procedures.

Issues concerning the assessment of concrete compressive strength in existing buildings: Application to a case study / Maria Teresa Cristofaro, ; Raffaele, Nudo; Marco, Tanganelli; Angelo, D'Ambrisi; Mario De Stefano, ; Raffaele, Pucinotti. - In: STRUCTURAL CONCRETE. - ISSN 1464-4177. - ELETTRONICO. - 19:(2018), pp. 795-805. [10.1002/suco.201700070]

Issues concerning the assessment of concrete compressive strength in existing buildings: Application to a case study

Maria Teresa Cristofaro;Raffaele Nudo;Marco Tanganelli;Angelo D'Ambrisi;Mario De Stefano;
2018

Abstract

The estimate of concrete compressive strength is a major aspect in the assessment of reinforced concrete existing structures since it involves safety issues. The method of extracting concrete cores from the buildings under investigation is considered in this paper. In the first part, a brief review concerning procedures proposed by international technical codes as well methods available in the scientific literature, is made. In particular, formulations proposed for the determination of the actual concrete strength, starting from the one obtained from laboratory tests on cores, are examined. Special attention is devoted to the various factors affecting the estimate of the actual strength and relative correction coefficients. In the second part, the considered procedures are applied to a case study concerning a school building in Tuscany; comparison among different formulations allows some considerations on the reliability of the adopted procedures.
2018
19
795
805
Maria Teresa Cristofaro, ; Raffaele, Nudo; Marco, Tanganelli; Angelo, D'Ambrisi; Mario De Stefano, ; Raffaele, Pucinotti
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1106746
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