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A tunnel may be for foot or vehicular road traffic, for rail traffic, or for a canal. The central portions of a rapid transit network are usually in the tunnel. Some tunnels are used as sewers or aqueducts to supply water for consumption or for hydroelectric stations.
Learn about the history, methods, uses, and facts of tunnels and underground excavations. Explore how tunnels have been built for mining, transportation, water, and other purposes since ancient times.
ITA-AITES is the leading organization promoting tunnelling and underground space usage worldwide. Learn about its activities, publications, awards, projects, library and World Tunnel Congresses.
Un túnel, o puente de bajar, puede servir para peatones o ciclistas, aunque generalmente sirve para dar paso al tráfico, para vehículos de motor, para ferrocarril o para un canal. Algunos son acueductos, construidos para el transporte de agua (para consumo, para aprovechamiento hidroeléctrico o para el saneamiento).
Un ejemplo de esta estrategia son los nuevos túneles creados en Madrid para soterrar la M30, la principal circunvalación de la ciudad. Estos túneles, con un diámetro aproximado de 15 m, se han excavado en el suelo con las mayores tuneladoras jamás utilizadas hasta aquel momento.
12 de jul. de 2023 · From Japan to the Swiss Alps and the American Rockies, these are some of the world’s most fascinating tunnels. Carving their way beneath oceans, glaciers and mountains, tunnels are an enduring...
7 de jul. de 2024 · Brighton’s network of underground secrets stretches far across the city, with Victorian sewer systems, a hidden road, and tunnels below the Royal Pavilion rumoured to be built for King George IV ...
