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- Earth-based construction material field tests characterization in the Alto Douro Wine RegionPublication . Cardoso, Rui; Pinto, Jorge; Paiva, Anabela; Lanzinha, JoãoThe Alto Douro Wine Region, located in the northeast of Portugal, a UNESCO World Heritage Site, presents an abundant vernacular building heritage. This building technology is based on a timber framed structure filled with a composite earth-based material. A lack of scientific studies related to this technology is evident, furthermore, principally in rural areas, this traditional building stock is highly deteriorated and damaged because of the rareness of conservation and strengthening works, which is partly related to the non-engineered character of this technology and to the knowledge loosed on that technique. Those aspects motivated the writing of this paper, whose main purpose is the physical and chemical characterization of the earth-based material applied in the tabique buildings of that region through field tests. Consequently, experimental work was conducted and the results obtained allowed, among others, the proposal of a series of adequate field tests. At our knowledge, this is the first time field tests are undertaken for tabique technology. This information will provide the means to assess the suitability of a given earth-based material with regards to this technology. The knowledge from this study could also be very useful for the development of future normative documents and as a reference for architects and engineers that work with this technology to guide and regulate future conservation, rehabilitation or construction processes helping to preserve this important legacy.
- Structural and material characterization of a haussmann buildingPublication . Cardoso, Rui; Paiva, Anabela; Pinto, Jorge; Lanzinha, JoãoHaussmann buildings are representative of Paris urban architecture. However, those buildings being centenarians, present several pathologies which is preventing their adequate use. Moreover, an upgrade regarding users security, acoustic, thermal and fire requirements is, among others, urgently needed to meet the new standards. Additionally, there is actually, in Paris, an increasing demand for hotel rooms. For those previous reasons, Haussmann buildings are nowadays submitted to heavy operations relative to use changes, conservation, rehabilitation and strengthening. In this paper, a structural and material characterization of a Haussmann building complex located at La Madeleine in Paris is presented. This characterization is the result of a survey realized during the construction stage occurred between 2015 and 2017, relative to use change, rehabilitation and strengthening. The present study allows identifying the existing structural system, the materials and the geometry of the principal structural elements. The knowledge from this study would be very useful for the development of sustainable rehabilitation and strengthening techniques and at the same time helping to preserve this important heritage or similar ones existing in other countries.
- Structural and material characterization of a Haussmann Building Complex at la Madeleine, ParisPublication . Cardoso, Rui; Paiva, Anabela; Pinto, Jorge; Lanzinha, JoãoHaussmann buildings architecture spread throughout the city of Paris. Nevertheless, those buildings are nowadays submitted to heavy operations of use change, conservation and rehabilitation, justified by several reasons, among others are building aging and the increasing demand for hotel rooms in Paris. In this paper, a structural and material characterization of a Haussmann building complex located at La Madeleine in Paris is presented. This characterization is the result of several technical visits realized during construction works stage relative to use change, rehabilitation and strengthening which take place between 2015 and 2017. The present study allows identifying the existing structural system, the materials and the geometry of the principal structural elements in a structural engineering view. The knowledge from this study could be very useful for the development of sustainable rehabilitation and strengthening methodologies, helping at the same time to preserve this important legacy or similar ones existing in other countries.