'Nadezhda' and 'Pobeda' shields: Moscow metro builders are to apply to Guinness Book of Records

November 23, 2019

Moscow is likely to enter the Guinness Book of Records for the number of used tunnel boring shields for the metro construction, said Deputy Moscow Mayor for Urban Development and Construction Marat Khusnullin.

'Mosinzhproekt is to submit an application to the Guinness Book of Records, as none of the megacities of the world has ever had 30 shields working at the same time. We operate 30 shields on an ongoing basis, some of them bore a tunnel, some get dismantled and transferred to other sites,' Deputy Moscow Mayor said.

Traditionally, the shields operating in Moscow are called by women's names. Each of them weighs more than 1,000 ton. Dismantled after the tunnel's completion, they are further transported and assembled on a new site.

Simultaneous operation of three 10 m shields will set up another record by Moscow metro builders. Unlike the 6 m ones, designed to make a tunnel for one train, they can bear a tunnel for two trains.

'For the first time in the history of metro construction, we intend to launch the work of three 10 m shields,' Marat Khusnullin added.

According to him, a 10 m shield called 'Pobeda' will arrive next week in Moscow from China. It has already been delivered by sea to St. Petersburg. Some parts will arrive in Moscow by cars on 17 November, with heavier parts delivered by barge on Moscow Canal in seven days.

'We asked the Moscow Canal's administration to extend navigation for a week to have time to bring this shield,' Deputy Mayor added.

'Pobeda' shield will be used to build a section of the Big Circle Line from Nagatinsky Zaton to Klenovy Bulvar stations.

Besides, the builders has launched mounting a 10 m 'Nadezhda' shield, delivered to Moscow after completion of the metro in St. Petersburg. It will bear a 3 km long tunnel from Mozhaiskaya station to the transition chamber beyond Davydkovo station.

The third 10 m shield is being assembled at Tekstilshchiki station. It was transported there after the completion of the Nekrasovskaya line's section. The shield will bore a tunnel of the Big Circle Line towards Nagatinsky Zaton station.

Source: mos.ru

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