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In situ techniques for the characterization of rendering mortars

Title: In situ techniques for the characterization of rendering mortars
Author(s): A.P. Ferreira Pinto, R. Nogueira, A. Gomes
Paper category : conference
Book title: 2nd Conference on Historic Mortars - HMC 2010 and RILEM TC 203-RHM final workshop
Editor(s): J. Válek, C. Groot and J.J. Hughes
Print-ISBN: None
e-ISBN: 978-2-35158-112-4
Publisher: RILEM Publications SARL
Publication year: 2010
Pages: 475 - 482
Total Pages: 8
Nb references: 15
Language: English

Abstract: In this paper, compressive strength, porosity and two "in situ" techniques (ultrasonic velocity and rebound hardness test) are used for the characterisation of mortars. Several aerial and hydraulic lime-based mortars were tested. Prismatic specimens and mortars applied as brick render were used for the characterisation of the mortars. A comparative analysis of the "in situ" results and compressive strength is performed and the relationship between porosity and ultrasound velocity is analysed. A satisfactory relationship between the porosity and ultrasound velocity values was found and this indicates the possibility of estimating porosity from ultrasound velocity. The good relationship between compressive strength, ultrasound velocity and rebound values emphasizes the potential of the "in situ" test methods for mechanical characterization of mortars.

Online publication: 2010-10-25
Publication type : full_text
Public price (Euros): 0.00

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