Abstract

HERNANDEZ OROZA, Alberto; BERREO ALAYO, Edrey  and  EXPOSITO MENDEZ, Raúl. Non-destructive evaluation of the wooden beams from the Narciso López building in the Historic Center of Havana for reuse in its restoration. Rev. ALCONPAT [online]. 2022, vol.12, n.2, pp.263-278.  Epub Apr 29, 2024. ISSN 2007-6835.  https://doi.org/10.21041/ra.v12i2.585.

The objective of the study was to evaluate, through visual classification and non-destructive tests, the state of conservation of 32 wooden beams for reuse as a restoration project for a historic building. For this, measurements of the moisture content, penetrometer, estimation of the modulus of elasticity and breaking stress by ultrasonic pulse velocity were made. The results showed that 66% of the beams were affected by rot, defibration and cracking. The tests carried out on the deteriorated beams made it possible to determine that, for a reliability of 95%, of the remaining 21 beams it was possible to reuse 17 of them with an average density of 0.4 g/cm3.

Keywords : restoration; wooden beams; decay; penetrometer; ultrasound.

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