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Strengthening of structural elements of adobe constructions against seismic loads.
Jacob, Thomson
Universitat Politècnica de Catalunya. Departament d'Enginyeria de la Construcció; Stanislav, Pospíšil
Adobe (mud bricks) has been used in the construction of low cost housing as well as historical monuments. But, traditional adobe construction responds very poorly to earthquake ground motions, suffering serious structural damage or collapse, and causing a significant loss of life and property. Seismic strengthening of adobe constructions have been investigated by many researchers for the last few decades. This dissertation reviews various strengthening methodologies adopted by various researchers all over the world. This thesis proposes a strengthening methodology in which a mortar layer with polyethylene nets in the middle are plastered to either side of the structural member. The effectiveness of this methodology has been verified with shake table tests on wall and column specimens. Two control specimens and two reinforced specimens of walls and columns were tested in shake table. During moderate shaking, the detachment of bricks occurs in the unreinforced specimens but the reinforced specimens withstood the shaking with minor cracking. The confinement by the reinforced mortar (on either surface of the member) greatly affects the response of the reinforced specimen over the control specimen. The processing of the responses to the random excitations was carried out in accordance with the basics of Digital Signal Processing. The comparison of the result reveals that the reinforcing system is found very much effective in adobe constructions.
Àrees temàtiques de la UPC::Edificació::Tècniques i sistemes constructius
Building, Adobe
Seismic loads
Construccions de tova
Attribution-NonCommercial-NoDerivs 3.0 Spain
Universitat Politècnica de Catalunya

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