Línea 4: tuneladora 'Micaela' avanza más de 600 metros y llega a la estación El Olivar

La construcción del túnel comprendido entre la E4-4 y la E4-5 requirió el uso de 2567 dovelas de concreto para conformar 368 anillos, cada uno con un peso de 40 toneladas.


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Automotive
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