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In-plane shear behaviour of earthen materials panels strengthened with polyester fabric strips
RISE, SP – Sveriges Tekniska Forskningsinstitut.
2016 (English)In: Structural Analysis of Historical Constructions: Anamnesis, diagnosis, therapy, controls - Proceedings of the 10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016, 2016, 1099-1105 p.Conference paper, (Refereed)
Abstract [en]

An experimental investigation was carried out to study the in-plane shear behaviour of earthen material panels strengthened with polyester fabric strips. Strengthened panels were developed to exploit the strength potential of earthen materials and to solve its lack of tensile strength, significantly improving not only strength but also ductility. Three earthen materials were considered: cob, earth block masonry (EBM) and rammed earth (RE). As first approach the strengthening configuration, based on different adhesive materials, was tested only for cob panels. As part of the study the results of a big testing campaign of unstrengthened panels were considered. Seven strengthened panels were tested in diagonal compression/shear.A unique reinforcement orientation was used. The results of these tests are presented in this paper, and include the load-displacement behaviours, crack patterns, failure modes. The results showed that the reinforcement was the most effective in EBM panels, with increase in strength and ductility observed. In RE and cob panels the reinforcement did not likely contribute significantly to the shear resistance, due to a lack of embedment length of the strips. Instead, in EBM it was likely that the vertical reinforcement acted in tension to restrain shear induced dilation and to restrain sliding. © 2016 Taylor & Francis Group, London.

Place, publisher, year, edition, pages
2016. 1099-1105 p.
Keyword [en]
Ductility, Masonry materials, Reinforcement, Tensile strength, Adhesive materials, Diagonal compressions, Experimental investigations, Load-displacement behaviours, Shear resistances, Strength and ductilities, Strength potential, Vertical reinforcement, Structural analysis
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-27669Scopus ID: 2-s2.0-85002412672ISBN: 9781138029514 (print)OAI: oai:DiVA.org:ri-27669DiVA: diva2:1059218
Conference
10th International Conference on Structural Analysis of Historical Constructions, SAHC 2016, 13 September 2016 through 15 September 2016
Note

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Available from: 2016-12-22 Created: 2016-12-21 Last updated: 2016-12-22Bibliographically approved

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