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    Biopolymers for Enhanced Performance Earth Construction: Recovery of Ancient Traditions

    TitleBiopolymers for Enhanced Performance Earth Construction: Recovery of Ancient Traditions
    Publication TypeChapters/ Papers in International Books
    Year of Publication2016
    AuthorsEires R., Camões A., and Jalali S.
    Abstract Text

    At ancient times, in order to protect earth buildings from the action of rain and water absorption, different
    construction techniques were used. For instance, the meticulous construction detail with special design for
    foundations, plinths, roofs and eaves, corners, frames of doors and windows, connections between different materials and above all a special care in rooms subject to moisture, related to bathrooms or kitchens. In order to enhance durability performance various wall building systems were used, such as the employ of plasters or paints periodically renovated, acting as sacrifice layers, the coating with other building materials to protect the earth wall and the use of tiles, wood or stone.

    Soil stabilization was also a way of increasing the durability of earth buildings by increasing their mechanical strength and resistance against water action. Being so, since ancient times, different stabilizers and additives have been mixed with earth materials to perform earth walls and earth plasters. In this context, we will present lime stabilization techniques and also the use of additives (biopolymers and minerals) concerning durability improvement of compressed soil, using lime, mineral additives, various biopolymers and the addition of used cooking oil.

    Book TitleEarth construction & tradition
    VolumeVolume I
    EditionHubert Feiglstorfer
    Pagination277-291
    Date Published2016-01-01
    PublisherIVA–ICRA, Institute for Comparative Research in Architecture, Vienna
    ISBN 978-3900265342
    KeywordsDurability, Earth construction, waterproof
    RightsrestrictedAccess
    Peer reviewedyes
    Statuspublished
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    About CTAC

    The Centre for Territory, Environment and Construction (CTAC) is a research unit of the School of Engineering of University of Minho (UMinho), recognised by the “FCT – Fundação para a Ciência e Tecnologia” (Foundation for Science and Technology), associated to the Department of Civil Engineering (DEC), with whom it shares resources and namely human resources.

    Currently CTAC aggregates 25 researchers holding a PhD of which 20 are faculty professors of the Civil Engineering Department. Read more


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    Centro de Território, Ambiente e Construção
    Escola de Engenharia da Universidade do Minho
    Campus de Azurém
    4800-058 Guimarães, Portugal

    Phone: + 351 253 510 200 (517 206)
    Fax: + 351 253 510 217

    Email: geral@ctac.uminho.pt


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