The influence of the thickness of the walls and their properties on the treatment of rising damp in historic buildings |
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| Affiliation: | 1. Civil Engineering Department, Faculty of Science and Technology of Coimbra University, Pólo II, Pinhal de Marrocos, 3030-290 Coimbra, Portugal;2. Building Physics Laboratory (LFC) – Civil Engineering Department, Faculty of Engineering of Porto University (FEUP), Rua Dr. Roberto Frias, 4200-465 Porto, Portugal;1. Institute of Geosciences IGEO (CSIC/UCM), c/Doctor Severo Ochoa, 7, 28040 Madrid, Spain;2. Department of Civil Engineering, Technical University of Denmark, 2800 Kgs., Lyngby, Denmark;3. Department of Civil Engineering, Brno University of Technology, Veveri 331/95, 602 00 Brno, Czech Republic;4. Institute of Geosciences IGEO (CSIC/UCM), c/Doctor Severo Ochoa, 7, 28040 Madrid, Spain;1. ABC department, Politecnico di Milano, Piazza Leonardo da Vinci, 32, 20133 Milan, Italy;2. National Research Council, Institute for conservation and valorization of cultural heritage, Via Madonna del Piano, 10, 50019 Sesto Fiorentino, Italy;3. Department of Physics Aldo Pontremoli, state university of Milano, Via Celoria, 16, 20133 Milano, Italy;1. Department of Civil Engineering, São Judas Tadeu University, 546 Taquari St., 03166-000 SP, Brazil;2. Department of Architecture and Urbanism, São Judas Tadeu University, 546 Taquari St., 03166-000 SP, Brazil;1. Institute of Atmospheric Sciences and Climate (ISAC-CNR), Italy;2. Department of Physics and Earth Sciences, University of Ferrara, Italy;3. Department SIMAU, Engineering Faculty, Università Politecnica delle Marche, Italy;1. Department of Engineering for Innovation - University of Salento, Complesso Ecotekne - Corpo O, via Monteroni, 73100 Lecce, Italy;2. Department of Information Engineering, Electronics and Telecommunications - Sapienza University of Rome, Via Eudossiana 18, 00184 Roma, Italy |
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| Abstract: | Intervention in older buildings increasingly requires extensive and objective knowledge of what one will be working with. In old buildings, rising damp in walls that are in direct contact with the ground leads to the migration of soluble salts that are responsible for many of the pathologies observed. Our research allows us to conclude that the most efficient way of treating rising damp is by ventilating the wall base 2], 4]. This technique was experimentally validated to limestone walls 20 cm thick. As it experimental validation of different thicknesses and different compositions has not been possible, numerical investigation has been carried out in order to analyse their influence.In this paper we will present the results of the work developed in the Department of Civil Engineering of the University of Coimbra in collaboration with the Department of Civil Engineering in the Faculty of Engineering of the University of Porto. The main purpose is to analyse the influence of the thickness and composition of walls on the new treatment for rising damp in historic walls: the ventilation of the wall base. |
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