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Introduction to Concrete
Cement Expansion Tests for Soundness
Description
Cement soundness is the ability of cement paste to keep its volume after it sets. If cement is unsound, it can expand later and damage a structure. This problem can come from free lime, magnesia, and calcium sulfate in the cement.
Free lime hydrates very slowly. As it reacts, it can expand and ca...
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Transcript
Ocasionalmente, después de que la pasta de cemento se endurece, la cal libre, la magnesia y el sulfato de calcio pueden hidratarse, causando una expansión destructiva en el cemento endurecido.
La solidez es la capacidad de la pasta de cemento para resistir una expansión significativa después del fraguado.
Le Chatelier y las pruebas...
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