Estudo da interface entre o concreto e o material de reparo mediante microscopia

• Ano de defesa: 2005
• Autor(a) principal: Gondim, Felipe Land
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Uberlândia; BR; Programa de Pós-graduação em Engenharia Civil; Engenharias; UFU
• Palavras-chave em Português: Recuperação de estruturas; Aderência reparo-substrato; Microscopia eletrônica de varredura; Microscopia ótica; Materiais de reparo; Engenharia de estruturas; Structural repair; Bond repair-concrete; Scanning electron microscopy; Optic microscopy; Repair materials; CNPQ::ENGENHARIAS::ENGENHARIA CIVIL
• Link de acesso: https://repositorio.ufu.br/handle/123456789/14115

During the history of the Civil Engineering, it is witnessed the appearance of a new age, which emphasizes quality in general, and durability, in particular, of the concrete structures. As a result of a continuable search for quality, an evolution in a relatively new field is observed, named Structural Pathology, which relates to the study of structural imperfections in constructions. An efficient solution for this problem is the structural repair, that appears as a strong market share of the industry of the civil construction, motivating the development of a number of materials and procedures of repair that aim to reestablish the original conditions of the damaged structure in order to extend its service life. For the protection and the restoration of the concrete structures, there were developed repair materials destined to different situations of application. The Microscopy, historically applied to the biomedical sciences, field has been spreaded out to the science of the materials field as well, becoming an important tool in the study of diverse properties. The main objective of this research is to investigate the form of linking and bond between repair mortars and concrete, by using microscopy. In this research 247 micrographs were analysed from 24 samples of four types of repair mostars amongst the ones found in the market had been analyzed. The typical morphologic characteristics of those materials were studied through of the optic microscope (OM) and the scanning electron microscope (SEM). The results presented in research provides the understanding of the microscopical analisis related to the bond of someone repair materials.