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ismailsdepaulo
Você já ouviu falar no teste com fenolftaleína no concreto? Esse ensaio simples nos ajuda a avaliar a alcalinidade do pilar e entender se o concreto ainda está cumprindo seu papel de proteger a armadura. Funciona assim: Ao aplicar a fenolftaleína sobre o concreto recém-fraturado, a cor indica o pH do meio. 🔹 Se o concreto fica rosa, significa que o pH está elevado, acima de aproximadamente 9. Esse meio alcalino cria uma camada de proteção na armadura, dificultando o início da corrosão. 🔹 Se o...
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