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MOTTA, Ana Lúcia Torres Seroa da; Roitman, Flavio. Patologias encontradas em laje pré-moldada devido a dilatação térmica provocada pela radiação solar. In: CONGRESSO INTERNACIONAL SOBRE O COMPORTAMENTO DE ESTRUTURAS DANIFICADAS, 3., 2002, Rio de Janeiro. Anais... Rio de Janeiro, 2002.
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Abstract

The article describes the effects of thermal radiation on the top flagstone of a 10 (ten) stories building located in Rio de Janeiro, and presents the methodology employed to analyse their consequences on the concrete structure and the indoor air quality. The presence of fissures originated from the thermal dilatation caused by great temperature changes inside a pre-mounted flagstone, were noted. The original project specified a light structure that would not represent a significant load on top of the old building construction. For economical reasons, the thermal insulation projected was not executed, and no other solar protection was provided, resulting on the pathology presented. The microorganism colonies resulting are typical of these pathologies when present in hot and humid climates, therefore demanding for quick interventions.
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