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World Tunnelling Congress
Abstract: This paper details the analysis and design of support for an underground powerhouse and pressurized power tunnel incorporating the excavation sequence and connection with the other tunnels, which include: bypass and unit inlets and outlets; access adits; gate gallery; surge chamber; and tailrace tunnel. The impact of stresses and seepage pressures from adjacent tunnels, grouting and excavation...
Abstract: The base tunnels crossing the Karavanke mountain range, located at the border between Austria and Slovenia, have a rich history in finding a proper tunnel construction methodology. Both, railway tunnel, constructed in 1906, and road tunnel, constructed in 1991, faced the most difficult conditions in extremely weak Permo-carboniferous rocks with overburden between 500 m and 1100 m. Such rock...
Abstract: AFTES, the French Tunnelling and Underground Space Association, is going to publish soon one Guideline regarding the design and dimensioning of a bolting support system in underground tunnels. This guideline is a document established by the Working Group n°30 (WG30). The aim of this document is to provide a general and useful frame helping the designer in the framework of the design and...
Abstract: In this paper construction of urban traffic tunnel in disturbed soil stratum based on New Austrian Tunneling Method (NATM) has been investigated. As a case study, Modares tunnel which is a part of Arash-Esfandiar-Niyayesh Project has been considered. This tunnel has been designed to connect and reduce the traffic volume between Modares highway and Niyayesh Highway in north of Tehran-Iran. The...
Abstract: The origin of the Art Stations in the city of Naples dates back to 1995, when it was clear that, beyond purely engineering intervention, there could be spaces that would make the difference for the citizens and the world.Distributed along the lines 1 and 6 of the Metro network, art stations are the result of extraordinary constructive and synergic dialogue between architects and artists,...
Abstract: The Port Said Road Tunnels Project provides a vital transport crossing of the Suez Canal, as part of the Suez Canal Development Mega-project in the North Sinai. The twin-tube, 2.8km long tunnels are excavated by two, mix-Shield TBM’s with a bored diameter of 13.05m and at depths up to 57m below ground level. Each tunnel tube affords a dual-carriageway road, an emergency evacuation-way below the...
