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19 September 2014 | By David-Iván Villalmanzo Resusta, Juan Antonio Villaronte Fernández-Villa
The first Spanish high-speed rail line from Madrid to Seville opened in 1992. Now, the Spanish high-speed rail network (operated by ADIF) includes 2,300km of double-track lines, 277km of bored tunnels and 326 hyperstatic and isostatic structures each spanning over 20m in length. Maintaining the track superstructure requires a lot…
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