Huge new generation tunnel boring machines that
can excavate rock walls, remove the material and install the concrete pieces, leaving the tunnels
ready for the construction of roads or railways These are, the 10 Biggest Tunnel
Boring Machines in the World 10.
Dame Whina Cooper It is a closed shield tunnel boring machine, which measures 7.1 meters in diameter
and has been manufactured in Germany measures 130 meters in length and
has a total weight of 910 tons its cutting head breaks up and removes
the material and installs concrete segments creating the tunnel walls
uses hydraulic cylinders to propel itself forward from newly placed segments
and can advance up to 32 meters per day this tunnel boring machine will be used until
2022 to build a 1.6 kilometer long tunnel under the city center of Auckland in New Zealand,
which will improve the public transport network 9.
Florence It is a closed shield tunnel boring machine, which measures 9.1 meters in diameter
and has been manufactured in Germany measures 170 meters in length and
has a total weight of 2,000 tons It has 3,500 kilowatts of installed power
and a torque of 16,300 kilonewton meters. works with a crew of 17 and the
support of another 100 on the surface works 24 hours a day, 7 days a week
and can advance 15 meters per day this tunnel boring machine began to be used
in 2021 to build a 16-kilometre-long tunnel in the south-east of England
that will serve as a rail link 8.
La Tapatía It is a closed shield tunnel boring machine,
which measures 11.5 meters in diameter and has been manufactured in
Germany by the company Herrenknecht measures 105 meters in length
and weighs more than 2,000 tons It has 6,300 kilowatts of installed power
and a torque of 44,000 kilonewton meters. was used from 2016 to 2018 for the construction
of a 5.4-kilometer-long tunnel in Mexico this underground section is part of a train
line that connects several municipalities in the state of Jalisco
installed a total of 15,000 concrete voussoirs to form the more
than 2,000 rings that make up the tunnel 7.
TBM S-947 It is a simple shield tunnel boring machine,
which measures 13.9 meters in diameter and has been manufactured in Germany
measures 75 meters in length and has a total weight of 2,000 tons
It has 3,500 kilowatts of installed power and a torque of 6,300 kilonewton meters.
was built specifically for the reconstruction of the Belchen tunnel which
is located in the mountains of Switzerland the tunnel boring machine began to
be used in 2016 and managed to drill and secure up to 90 meters of tunnel per week
in total it took 16 months to complete the work and allowed the 3.2 kilometer long
tunnel to be rebuilt to be used safely 6.
Caucasus It is a simple shield tunnel boring machine,
which measures 15.08 meters in diameter and has been manufactured in China, by
the China Railway Tunnel Group company. It measures 182 meters in total
length and weighs 3,900 tons. It has 9,900 kilowatts of total power
and a maximum thrust of 22,000 tons. began to be used in the mountains of Georgia
in 2019, to build a 9-kilometer-long tunnel this tunnel crosses the caucasus mountains and
joins a key highway linking several countries this project is part of a set of maritime
and rail links between China and Europe 5.
TBM S-317 It is a mixed shield tunnel boring machine,
which measures 15.4 meters in diameter and has been manufactured in Germany
measures 135 meters in length and has a total weight of 2,300 tons
It has 3,500 kilowatts of installed power and a torque of 34,000 kilonewton meters.
the tunnel boring machine is designed to withstand water pressures of over 6 bar and excavate a
mixture of sand, clay, rocks and groundwater This machine was used in 2006 in China, to build
a tunnel under the Yangtze River in Shanghai that measures 7.4 kilometers in length and is
located 65 meters deep under the river bed. 4.
Martina It is a closed shield tunnel boring machine, which measures 15.6 meters in diameter
and has been manufactured in Germany measures 130 meters in length and
has a total weight of 4,500 tons It has an excavation area of 192 square meters
and its cutting elements are made of tungsten. It has 12,000 kilowatts of installed power
and a torque of 94,000 kilonewton meters. it can advance up to 24 meters per day
and had a cost of 60 million dollars this tunnel boring machine was used in 2013
for the construction of the Sparvo tunnel in Italy, which has a total length of 2.4 kilometers 3.
Santa Lucia It is a closed shield tunnel boring machine,
which measures 15.8 meters in diameter and has been manufactured in Germany
measures 130 meters in length and has a total weight of 5,000 tons
It has 17,600 kilowatts of installed power and a maximum thrust of 314,000 kilonewtons.
it can extract 2,100 tons of material per hour and was designed to protect workers from possible
methane gas leaks during material extraction It was used in 2017 by the Pavimental company
to build a 7.7-kilometre-long tunnel in Italy, which served to improve the connection
between the cities of Bologna and Florence 2.
Bertha It is a closed shield tunnel boring machine,
which measures 17.5 meters in diameter and has been manufactured in Japan by
the company Hitachi Zosen Sakai Works. It measures 99 meters in total length
and has a total weight of 6,700 tons. It has 22,000 kilowatts of installed power
and a maximum thrust of 392,000 kilonewtons. It has a rotational speed of up
to 1.8 revolutions per minute and a torque of 147,000 Kilonewton meters. This tunnel boring machine was used
in 2017 to create a 3.2 kilometer long tunnel under the city of Seattle in the
United States and it cost 80 million dollars 1.
Tuen Mun It is a mixed shield tunnel boring machine, which measures 17.6 meters in diameter
and has been manufactured in Germany measures 120 meters in length and
has a total weight of 4,800 tons It has 5,600 kilowatts of power and
a torque of 27,000 kilonewton meters. this tunnel boring machine was used
to build 2 underwater tunnels of 5 kilometers in length in the Hong Kong region
construction began in 2015 and the tunnel boring machine had a performance
of more than 30 meters per day the tunnels are located 60 meters below sea
level and were opened to vehicle traffic in 2020 thank you guys so much for watching this
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