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Title: INNOVATION IN VERNACULAR TRADITIONS: PRELIMINARY EXPERIMENTAL RESEARCH ON CLAY MIX DESIGN FOR DURABLE POURED EARTH WALLS

INNOVATION IN VERNACULAR TRADITIONS: PRELIMINARY EXPERIMENTAL RESEARCH ON CLAY MIX DESIGN FOR DURABLE POURED EARTH WALLS

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Cornelia Baera; Aurelian Gruin; Ana-Cristina Vasile; Bogdan Bolborea; Alexandra Marina Barbu
10.5593/sgem2024v/6.2/s25.27
10.5593/sgem2024v/6.2
1314-2704
978-619-7603-78-1
English
24
6.2
•    Prof. DSc. Oleksandr Trofymchuk, UKRAINE 
•    Prof. Dr. hab. oec. Baiba Rivza, LATVIA
Green Building Materials and Eco-Technologies
Innovative construction materials and techniques can be sourced from natural resources and traditional methods, and applied to green housing concepts to enhance energy efficiency and occupant well-being. Innovation in vernacular traditions can be achieved by integrating the modern, current methods and techniques, materials and tools within local traditional technologies and associated natural raw materials (clay, sand, wood, straw, and wool) in order to enhance ecologic housing facilities with improved overall performance: structural, economic and sustainable. The current paper focuses on development of poured earth walls as an eco-friendly alternative to classic solutions (masonry, concrete walls, etc.), specifically on the clay-based mix design feasible for the poured earth technique. This technique resembles natural concrete, aggregate grains are bonded by clay particles instead of cement-based binding systems, and it offers environmental benefits such as facile recyclability, low impact, and effective hygrothermal regulation, but also brings consistent challenges regarding the proper clay-based earthen mix design. Preliminary and exploratory fresh-state testing is performed on several clayey mixes, in order to identify critical parameters with further relevance to the structural and durability performance, together with specific comparative evaluation and corresponding conclusions related to overall concept feasibility.
[1] Fernandes, J., Mateus, R., Gervasio, H., Silva, S. & Braganca, L., Passive Strategies Used In Southern Portugal Vernacular Rammed Earth Buildings and Their Influence Thermal Performance. Renewable Energy, (142), 345-363, 2019.
[2] Mileto, C., Lopez-Manzanares, F., Crespo, L. & Garcia-Soriano, L., The Influence Of Geographical Factors In Traditional Earthen Architecture: the Case Of The Iberian Peninsula. Sustainability, 8(11), 2369, 2019.
[3] Moscoso-Garcia, P., & Quesada-Molina, F., Analysis of Passive Strategies in Traditional Vernacular Architecture. Buildings, 13(8), 1984, 2023.
[4] Alrashed, F., Asif, M., & Burek, S., The role of vernacular construction techniques and materials for developing zero-energy homes in various desert climates. Buildings, 7(1), 17, 2017.
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[6] Morel, J. C., Charef, R., Hamard, E., Fabbri, A., Beckett, C., & Bui, Q. B., Earth as construction material in the circular economy context: practitioner perspectives on barriers to overcome. Philosophical Transactions of the Royal Society B, 376(1834), 20200182, 2021.
[7] Baera, C., Matei, C. L., Enache, F., Stamate, C., & Cioncu-Puenea, M. Experimental study for structural performance evaluation of earth walls realised with innovative traditional technologies. International Multidisciplinary Scientific GeoConference: SGEM, 22(6.2), 413-420, 2022.
[8] Minke G., Building with earth. Design and Technology of a Sustainable Architecture. In Birkhauser – Publishers for Architecture Basel Berlin Boston, 2005.
[9] Pinel, A., Prud'Homme, E., Charlot, A., Fleury, E., & Jorand, YEarthen construction: Demonstration of feasibility at 1/2 scale of poured clay concrete construction. Construction and Building Materials, 312, 125275, 2021.
This work was carried out within Nucleu Programme of the National Research Development and Innovation Plan 2022-2027, supported by MCID, "ECODIGICONS" project no. PN 23 35 04 01: Fundamental-applied research into the sustainable development of construction products (materials, elements, and structures, as well as methods and technologies) that utilizes current national resources to enhance the eco-innovative and durable aspects of Romania's civil and transport infrastructure.
conference
https://doi.org/10.5593/sgem2024v/6.2/s25.27
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Proceedings of 24th International Multidisciplinary Scientific GeoConference SGEM 2024
24th International Multidisciplinary Scientific GeoConference SGEM 2024, 27 - 30 November, 2024
Proceedings Paper
STEF92 Technology
International Multidisciplinary Scientific GeoConference Surveying Geology and Mining Ecology Management, SGEM
SWS Scholarly Society; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci and Arts; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; European Acad Sci, Arts and Letters; Acad Fine Arts Zagreb Croatia; Croatian Acad Sci and Arts; Acad Sci Moldova; Montenegrin Acad Sci and Arts; Georgian Acad Sci; Acad Fine Arts and Design Bratislava; Russian Acad Arts; Turkish Acad Sci.
215-222
27 - 30 November, 2024
website
10178
vernacular architecture, clay, poured earth, walls, fresh state mix, durability.

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