Journal
HERITAGE
Volume 6, Issue 3, Pages 3025-3042Publisher
MDPI
DOI: 10.3390/heritage6030161
Keywords
cultural heritage conservation; earthen architecture; vegetal origin gel; traditional mortars; soil stabilization; vernacular architecture
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This research aims to improve the durability of earthen constructions by adding an ecological, sustainable material obtained from rice starch extraction. The study focuses on the mechanical and waterproof performance of an earthen mixture with the addition of vegetal origin gel (VOG). The research includes laboratory experiments to develop an easily replicable technology and real interventions in adobe dwellings in Mexico. The material showed good behavior in the early stage.
This research focuses on the addition of an ecological, sustainable material to improve the durability of earthen constructions and for use in rehabilitation and restoration processes. Specifically, it studies the mechanical and waterproof performance of an earthen mixture with the addition of a vegetal origin gel (VOG) obtained by extracting the starch contained in rice. This solution increases the durability of the mixture and the behavior against water and improves the mechanical resistance of the system. This study is divided into two parts. First, an experimental phase was carried out in the Universitat Politecnica de Catalunya laboratory to design and develop the earthen mixtures stabilized with VOG to obtain an ecological, economical and easily replicable technology that can be transferred to any population group. The second stage consisted of the application of these mixtures and a real intervention in adobe dwellings in the community of Santa Ana Chapitiro, in the State of Michoacan, Mexico. The rehabilitation solutions and dosages were transferred to the residents of the community and applied to local adobe constructions by means of participatory design through an international development cooperation project. Good behavior of the material was found in the early stage.
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