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materiales constitutivos del concreto

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Varillas de unión<br />

ACERO<br />

Se colocan en las juntas longitudinales para evitar<br />

el desplazamiento relativo de losas de carriles<br />

vecinos<br />

Deben ser corrugadas, de grado 60 y cumplir las<br />

exigencias de la norma ASTM A 615 (AASHTO<br />

M31)

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