Reliability of the pull-off test for in situ evaluation of adhesion strength

Ramos, Nuno M. M.; Simões, M. Lurdes; Delgado, J. M. P. Q.; Freitas, Vasco Peixoto de

doi:10.1016/j.conbuildmat.2011.12.097

Cited by 61 publications

(46 citation statements)

References 12 publications

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“…The idea that the loss of adhesion results from the combination of several in-service actions and depends on the on-site works is also defended by other authors, namely when performing in-situ inspections and adhesion evaluation [1,23,24].…”

Section: Discussionmentioning

confidence: 99%

In-service performance of renders using a cohesive zone model

Silva

Flores‐Colen

Esteves

et al. 2014

International Journal of Adhesion and Adhesives

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Section: Discussionmentioning

confidence: 99%

In-service performance of renders using a cohesive zone model

Silva

Flores‐Colen

Esteves

et al. 2014

International Journal of Adhesion and Adhesives

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“…The occurrence of cracks in the outer coating is an extremely serious pathological manifestation that it is a major cause of detachment and subsequent falling plaster [1].…”

Section: Contextmentioning

confidence: 99%

Flexural tensile strength in mortar coating reinforced with different types of metal mesh: A statistical comparison

Antunes

Masuero

2016

Construction and Building Materials

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“…Goncalves [14], who studied the mortars used in the joints of shale masonry, also obtained variation coefficients between 7% and 35% in laboratory tests. On the other hand, Ramos et al [15] observed higher coefficients of variation (between 40% and 100%) and concluded that the bigger the number of valid pull-off tests, the bigger the probability of a higher variation coefficient. It is also referred that Goncalves and Bauer [16] realized that tensile adhesion strength presents an intrinsic variability of 52%, while the test method itself presents an internal variation of 19%.…”

Section: Introductionmentioning

confidence: 95%

Variability of the Pull-off Technique for Adhesion Strength Evaluation on Ceramic Tile Claddings

Lopes

Flores‐Colen

Silva³

2015

The Journal of Adhesion

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The periodic assessment of claddings adhesion during the facade life cycle becomes an important preventive in-service issue. This paper discusses the pull-off test, an in-situ diagnosis technique, which characterizes the in-service performance of ceramic tile claddings, by measuring adherence resistance to tension. Adherence is one of the main required properties of external coating, not only for aesthetical reasons but also for safety purposes. Throughout this research, an experimental campaign is performed in laboratory and in-situ, analyzing the variability of the pull-off testing technique. In-situ tests have been undertaken in existing construction sites and test walls. The laboratory results were compared to the in-situ ones. Standards requirements were evaluated and different failure modes were verified. In this work the impact of several parameters is analyzed such as the use of metallic discs with different thickness levels, geometries and dimensions; the location of the testing at different heights; and the use of different dynamometer equipment. The main conclusion of this work is in order to reduce the uncertainty of the in-service diagnosis used for decision process of facade interventions, the previous parameters should be taking into account despite pull-off being a standardized technique.

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Reliability of the pull-off test for in situ evaluation of adhesion strength

Cited by 61 publications

References 12 publications

In-service performance of renders using a cohesive zone model

In-service performance of renders using a cohesive zone model

Flexural tensile strength in mortar coating reinforced with different types of metal mesh: A statistical comparison

Variability of the Pull-off Technique for Adhesion Strength Evaluation on Ceramic Tile Claddings

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