Test Procedures for the Characterization of Earth Plastering Mortars: Necessary Adaptations

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


Earth mortars present advantages, especially when applied to plasters. To evaluate the behavior of earth plastering mortars, some adaptations can be made to the test procedures defined for current mortars—capillary absorption and drying—or earth blocks—water erosion by dripping action. However, specific tests for earth mortars—linear shrinkage and cracking, dry abrasion resistance, adsorption and desorption by hygroscopicity—can also be applied to evaluate the behavior of current mortars. It is considered important to assess the surface cohesion of earth plasters, as to current mortar plasters. In this way, it is possible to complement the characterization and, thus, be able to make a more efficient comparison between current and earth plastering mortars, depending on the intended applications. The type of specimens—with or without the influence of the substrate—as well as their dimensions, may also influence the correct analysis of the characteristics of the mortar samples produced in the laboratory, exposed in situ or extracted from case studies.

Original languageEnglish
Title of host publicationTesting and Experimentation in Civil Engineering
Subtitle of host publicationFrom Current to Smart Technologies
EditorsCarlos Chastre, José Neves, Diogo Ribeiro, Fernando F. S. Pinho, Hugo Biscaia, Maria Graça Neves, Paulina Faria, Rui Micaelo
Place of PublicationCham
Number of pages11
ISBN (Electronic)978-3-031-29191-3
ISBN (Print)978-3-031-29190-6
Publication statusPublished - 2023

Publication series

NameRILEM Bookseries
ISSN (Print)2211-0844
ISSN (Electronic)2211-0852


  • Characterization
  • Clayish earth
  • Mortar
  • Test procedure


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