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Meeting 2027 TMS Annual Meeting & Exhibition
Symposium Photomechanical and Electromechanical Effects in Structural and Functional Materials
Presentation Title Compatibilidade mecânica entre sensores à base de cimento e dormentes
Author(s) Larissa Rodrigues Gomes da Silva, Gustavo Henrique Nalon, Adriéle Cristina
On-Site Speaker (Planned) Larissa Rodrigues Gomes da Silva
Abstract Scope O sistema ferroviário desempenha um papel importante no transporte de cargas e passageiros, tornando-se essencial garantir a segurança, eficiência e durabilidade de seus componentes estruturais. Nesse contexto, o monitoramento estrutural de dormentes ferroviários torna-se uma ferramenta relevante para identificar o comportamento mecânico das estruturas e apoiar estratégias de manutenção preventiva. Este estudo investiga um dormente de concreto pré-esforçado contendo compósitos autossensoriales embutidos para Monitoramento de Saúde Estrutural (SHM). A modelagem numérica foi realizada usando o software Abaqus, a fim de avaliar a compatibilidade de deformação entre o dormente de concreto e o sensor baseado em cimento. Três cenários foram investigados considerando módulos elásticos do sensor iguais, maiores ou menores que os do substrato do concreto. A influência da relação entre o módulo elástico foi avaliada para identificar critérios de compatibilidade mecânica que maximizem a eficiência da transferência de deformação e apoiem o desenvolvimento de um sistema SHM confiável para dormentes ferroviários de concreto pré-esforçado.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Compatibilidade mecânica entre sensores à base de cimento e dormentes
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Photomechanical Response of 4H and 6H-Silicon Carbide Single Crystals
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Reversible Mechanical Switching of Ferroelectric Nanodomains by Bending-induced Flexoelectricity
Role of Bonding Layer Stiffness on Stress–Strain Transfer Between Cementitious Sensors and Concrete Substrates
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