Construction had completed on the world's first shield driven double track subway tunnel of rectangular shape for the Kyoto Municipal Subway. The tunnel has the crossover section, which does not have center pillars and the running track section, which does have pillars. The tunnel had passed through of the upper diluvial beds with a depth of cover of 8.2 to 14.4m.
This has been a report on results of driving and measurement. Furthermore the subject and the correspondence method of a flat abbreviation rectangle section shield are described through these.
