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materiales constitutivos del concreto

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CORDÓN DE RESPALDO<br />

Se emplea cuando la junta se sella con silicona<br />

Debe ser antiadherente con la silicona e impedir la<br />

adhesión de ella a la superficie inferior de la junta<br />

Debe cumplir los requisitos <strong>del</strong> Tipo 3 de la norma<br />

ASTM D 5249<br />

Cordón

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