Appennino Tunnel (English name) Galleria dell'Appennino

Japanese: アペニノ・トンネル(英語表記)Galleria dell’Appennino
Appennino Tunnel (English name) Galleria dell'Appennino
A railway tunnel that crosses the Apennine Mountains between Bologna and Florence in central Italy. Construction began in 1920, was completed in 1931, and began operation in 1934. It is a long, double-track tunnel with a length of 18,518 m, and for a long time it was the second longest tunnel after the Simplon Tunnel (but the longest of all double-track tunnels). In addition, compared to the Mont Cenis Tunnel (length 13,657 m) on the French-Italian border, which opened in 1884, the Mont Cenis Tunnel overcame poor geological conditions and was completed in a short period of time with 1.97 million m3 of excavation (with a tunnel cross-section width of 9.4 m and height of 8.3 m), making it a symbol of the development of tunnel technology at the time.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
イタリア中部,ボローニャとフィレンツェ間にあって,アペニノ山脈を横断する鉄道トンネル。1920年着工,31年完成,34年から使用開始された。延長1万8518m,複線型の長大トンネルで,長らくシンプロン・トンネルに次ぐ第2位(複線型としては第1位)の地位を占めていた。また1884年に開通したフランス,イタリア国境のモン・スニ・トンネル(延長1万3657m)などと比べて,悪い地質条件を克服して短期間に197万m3の掘削(トンネル断面の幅9.4m,高さ8.3m)を完成したことで,当時トンネル技術発達のシンボルとされた。

出典 株式会社平凡社世界大百科事典 第2版について 情報

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