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Spanish builders have proposed the construction of subway lines in new ways.

October 8, 2017
Articles

Spanish builders have proposed the construction of subway lines in new ways.The capital construction department reports on the proposal received from representatives of the Spanish company LLC Bustren, which consists of building the metro from the top-down method. This company has already been engaged in a similar metro building in Madrid. Based on this experience, the Madrid builders will be able to carry out the construction.

All the proposals of the representatives of the Spanish company were discussed at a meeting of the scientific and technical meeting of the Moscow Construction Department, and the experience of the Spanish company was noted. The construction method “from top to bottom” is based on the initial erection of the wall in the ground, where the station's top plate will be.After that, work is being carried out under this slab - a vestibule wall is being erected, excavation is being carried out, a shield and a platform are being constructed, all finishing works are carried out, along with the installation of equipment.

This method of construction of the metro provides for the restoration of traffic in six months after work began on the construction of the upper wall. It is very convenient for busy city streets. In addition, a company from Spain proposed the construction of double-track tunnels with a tunnel complex, which is nine meters in diameter. They propose to build all the new metro lines in a similar way.

Another proposal was made by the Spanish builders concerning the construction of a station with more than one island, with side platforms in the amount of two pieces. Exits will be located at the ends of the metro building. The opinion of the council members is that these methods are more suitable for the construction of new metro lines, and not for the extension of old ones.

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