Biodeterioration and structural analysis of wooden roofs of an historical buildings in São Paulo, Brazil

 Abstract:
This paper presents the diagnosis of biodeterioration and structural analysis of the roof of a building given ‘heritage’ status by the DPH – Department of Cultural Heritage of the City of São Paulo, Brazil. The building is currently in use as a rehabilitation and training unit for disabled people. The roof structure consists of wooden trusses with vertical metal tension rods, supported by masonry walls. The diagnosis of the biodeterioration was made with a detailed evaluation of the structural wood frame embedded in masonry walls. For structural analyzes the criteria based on the remaining residual strength of the cross section of the wood components were adopted. The diagnosis included the identification of the wood species and a survey of construction details of the wooden structure where distortions and specific problems of overload were observed. The results of this study lead to a conclusion about the stability and structural safety of the roof in order to support corrective and preventive measures for conservation of the building


Reference:
MONTEIRO, Maria Beatriz Bacellar; YOJO, Takashi. Biodeterioration and structural analysis of wooden roofs of an historical buildings in São Paulo, Brazil. In: WORDL CONFERENCE ON TIMER ENGINEERING, WCTE 2014, Quebec City, Canada. Proceedings… 6 p.

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