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lersch, Inês Martina; GREVEN, Hélio Adão; SILVA FILHO, Luiz Carlos Pinto da. Ocorrência de danos estruturais em edificações de caráter histórico-patrimonial para o caso de Porto Alegre. In: CONGRESSO INTERNACIONAL SOBRE O COMPORTAMENTO DE ESTRUTURAS DANIFICADAS, 3., 2002, Rio de Janeiro. Anais... Rio de Janeiro, 2002.
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Abstract

During a survey of the main degradation mechanisms acting on historical buildings in the city of Porto Alegre, it was possible to identify that structural damages have a high incidence. This paper discusses the main agents that contribute to this situation and it is part of a larger research on classification and characterization of deterioration mechanisms of historical buildings. The work tries to identify and organize, based on the survey and on the literature, several deterioration processes that occur in these structures. Besides, it highlights the importance of conducting a preliminary investigation about the decrease in load capacity prior to starting work on a rehabilitation project. This is especially important when there is a lack of knowledge and information about the characteristics of the techniques used in the construction of the structure. The identification of the primary causes of deterioration is critical to subsidize a repair plan, since these initial damages can be the starting point of the deterioration processes and lead to more serious pathological manifestations. Therefore, it is considered vital to initiate a discussion about how to classify structural damages and determine their origins, in order to contribute to obtain better results in the conservation and rehabilitation of the historical buildings.
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