| 翻訳と辞書 |
| Tanum Tunnel ： ウィキペディア英語版 |
Tanum Tunnel
Tanum Tunnel ((ノルウェー語:Tanumtunnelen)) is double-track railway tunnel on the Asker Line, between Jong in Bærum and Åstad in Asker, Norway. It was built as part of the first state of the Asker Line, between Asker and Sandvika; construction started in February 2002 and the tunnel opened on 27 August 2005. The tunnel was built by AF Gruppen for the Norwegian National Rail Administration. Most of the tunneling was conducted using the drilling and blasting method, although the easternmost were built using the cut-and-cover method. After the tunnel opened, there have been problems with leaks damaging the superstructure. The tunnel has double track, is electrified and allows for a for maximum speed of . The cost to build the tunnel, excluding the superstructure, was 370 million Norwegian krone (NOK). The tunnel will accelerate intercity and regional traffic west of Oslo and free up capacity for the Oslo Commuter Rail on the Drammen Line.
==Specifications==
The Tanum Tunnel is long and has a cross section varying between . The tunnel consists of a blasted section and a , cut-and-cover section—the latter the easternmost part of the tunnel. It carries the double-tracked Asker Line between Jong and Åstad. The tunnel runs mostly through Cambrian-Silurian sedimentary slate, nodular limestone and shale, with local occurrences of Permian igneous rock. There is also a section of less stable sedimentary rock in the Asker Group. The tunnel had a cover most of the way of between ; however at Billingstad there was a much lower margin, laying for the most at and at the least at . At Åstad, the line runs in the open before entering the Skaugum Tunnel.〔 The line is electrified at and allows a maximum speed of .〔 The tunnel has frost insulation into the tunnel form each end. The tunnel has frost fans which ensure that the air stays put in the middle of the tunnel, thus hindering cold air from flowing past the frost isolation.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
■ウィキペディアで「Tanum Tunnel」の詳細全文を読む
スポンサード リンク
| 翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|