China Advances in Building the World's Largest Underwater High-Speed Train Tunnel

China Advances in Building the World’s Largest Underwater High-Speed Train Tunnel

Written by Carla Teles

Published on 06/06/2025 at 19:06

Updated on 06/06/2025 at 19:07

Descubra como a nova construção da China está criando o maior túnel submarino para trem-bala do mundo. Veja os detalhes desta obra que reduzirá o tempo de viagem!

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With 16.2 Kilometers in Length, the Jintang Tunnel Is a Centerpiece in a New Railway Complex That Demonstrates the Strength of China’s Construction and Promises to Reduce Travel Time in the Region to Less Than 30 Minutes.

China has taken a crucial step in the construction of the Jintang underwater tunnel. The project, when completed, will be the longest in the world dedicated to high-speed trains. The ambitious plan is part of a new railway that will connect the city of Zhoushan to the mainland, reinforcing the country’s engineering capability.

A New Milestone in Engineering for China’s Construction

China’s construction in the infrastructure sector reaches a new level with this project. The Jintang underwater tunnel represents a significant challenge and a major achievement of modern engineering. The work is the most critical part of a new 77-kilometer railway line in Zhejiang province, an economically important area of the country.

Connecting Ningbo to Zhoushan

The underwater tunnel will have a total length of 16.2 kilometers. It is designed to allow high-speed trains to pass through, which can reach speeds of up to 250 kilometers per hour. The main goal is to create a direct and fast connection between the cities of Ningbo and Zhoushan, optimizing passenger transport and boosting the local economy.

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The Giant “Yongzhou”: The Machine Behind the Drilling

To carry out a project of this magnitude, a gigantic tunnel boring machine (TBM) has been developed. Named “Yongzhou,” the machine has already started the main excavation phase in China’s construction. It is responsible for drilling the seabed and installing the tunnel structure, operating in a complex and high-pressure environment beneath the sea.

Reduction of Travel Time and Its Impact on the Region

Currently, the journey between the two cities takes about an hour and a half by car. With the completion of the tunnel and the new railway, travel time will be drastically reduced to less than 30 minutes. This new connection will not only facilitate travel but also integrate Zhoushan, an archipelago, into the mainland’s high-speed rail network, promoting development and tourism in the region.

With information from the site: Exame

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China Advances in Building the World’s Largest Underwater High-Speed Train Tunnel

With 16.2 Kilometers in Length, the Jintang Tunnel Is a Centerpiece in a New Railway Complex That Demonstrates the Strength of China’s Construction and Promises to Reduce Travel Time in the Region to Less Than 30 Minutes.

A New Milestone in Engineering for China’s Construction

Connecting Ningbo to Zhoushan

Major Oil, Gas, and Energy Event Will Take Place in Brazil: Macaé Energy Will Gather Petrobras, Equinor, Prio, Among Other Suppliers and Energy Executives for Business, Networking, and Employment Opportunities

The Giant “Yongzhou”: The Machine Behind the Drilling

Reduction of Travel Time and Its Impact on the Region

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China Advances in Building the World’s Largest Underwater High-Speed Train Tunnel

With 16.2 Kilometers in Length, the Jintang Tunnel Is a Centerpiece in a New Railway Complex That Demonstrates the Strength of China’s Construction and Promises to Reduce Travel Time in the Region to Less Than 30 Minutes.

A New Milestone in Engineering for China’s Construction

Connecting Ningbo to Zhoushan

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The Giant “Yongzhou”: The Machine Behind the Drilling

Reduction of Travel Time and Its Impact on the Region

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Where there was only sand and wind at 40 degrees, China built a megacity of 500,000 inhabitants with farms, wineries, and universities in the middle of the desert using melted glacier water from hundreds of kilometers away.

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