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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: 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 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: Methods for analysis and design of segmental tunnel linings are presented inconformance with standards and guidelines from Austria (ÖVBB), France (AFTES), Germany(DAUB), Japan (JSCE), Netherland, United States (FHWA) and International Tunneling Association(ITA). Effect of embedment loads on segments is analyzed using elastic equations, a beam-springmodel, and Finite Element or Finite Difference...
Abstract: FIDIC red book contractual framework is widely used in civil works contracts worldwide. Nonetheless some clauses deserve to be revised to allow their correct application to underground works. In particular the geologic risk sharing principles are not integrated in FIDIC standard contract. On the other hand, about risks other than geology related ones, the FIDIC framework affects some of them...
Abstract: The Devil’s Slide tunnel is located along the California coast between Pacifica and Montara, west of the San Francisco Bay in the USA in a region with steep and unstable geological formation. The twin tubes were constructed beneath San Pedro Mountain using the New Austrian Tunneling Method (NATM). Each tube is 9m wide x 6.8m high and 1300m long making it the longest highway tunnel in...
Abstract: The High Speed 2 (HS2) scheme in UK is envisaged to include more than 62km of its route in tunnels. In order to address public concern about the impacts of tunnelling, data have been collected on ground movements and ground-borne noise and vibrations. This paper describes a series of case studies of ground movements due to underground construction and ground-borne noise and vibration from a...
