To Be Completed In 4 Years: The Construction of Underwater Tunnel That Will Reduce Travel Time From 90 to 30 Minutes in China, Costing 3.3 Billion Dollars

Written by Rafaela Fabris

Published on 18/12/2024 at 01:33

A China está construindo o Túnel Submarino Jintang, um projeto de $3,3 bilhões que conectará Zhoushan a Ningbo em 16 km de extensão, a 78 metros de profundidade. Previsto para 2028, o túnel permitirá trens a 250 km/h, reduzindo o tempo de viagem de 90 para 30 minutos.

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At 78 Meters Deep and Supporting Trains at 250 km/h, the Construction of the Underwater Tunnel Will Connect Zhoushan to Ningbo by 2028, Drastically Reducing Travel Time and Boosting the Local Economy.

The construction of an underwater railway tunnel connecting Zhoushan to Ningbo, China, is in full swing. The Jintang Submarine Tunnel, with an estimated cost of $3.3 billion, will be the third-largest underwater railway tunnel in the world, promising to significantly reduce travel time between the two cities. The project is a combination of cutting-edge engineering and strategic vision, with a completion forecast for 2028.

The current journey between these cities can take up to an hour and a half. With the new tunnel, this time will be reduced to just 30 minutes. Isn’t that impressive? Imagine saving an entire hour on each trip – it’s like time gains wings.

What Is the Jintang Submarine Tunnel and How Will the Underwater Tunnel Be Constructed?

The project is part of the Ningbo-Zhoushan high-speed railway, which will have a total length of 77 km, including the world's longest combined rail-road bridge. Using the 4,350-ton TBM Dinghai boring machine, the project faces 28 complex geological transitions on the seabed. — The project is part of the Ningbo-Zhoushan high-speed railway, which will have a total length of 77 km, including the world’s longest combined rail-road bridge. Using the 4,350-ton TBM Dinghai boring machine, the project faces 28 complex geological transitions on the seabed.

The construction of the Jintang Submarine Tunnel is part of a larger plan, the Ningbo-Zhoushan high-speed railway, which will connect islands in Zhejiang Province to the mainland. The tunnel will be 16 kilometers long and will reach a depth of 78 meters below sea level. The longest section, at 11 kilometers, will be shielded to withstand speeds of up to 250 km/h.

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Why Is the Jintang Tunnel So Important?

Currently, the two cities are connected by maritime bridges and ferries, which limits the speed and efficiency of travel. With the construction of the tunnel, mobility will be revolutionized. The project strengthens port logistics, allowing for the faster and safer transport of goods and passengers.

This project promises to be a driver for economic growth in the Yangtze River Delta region. With such advanced infrastructure, trade, tourism, and local industry will receive a significant boost. It’s like transforming a dirt road into a digital superhighway.

How Does the Project Address Challenges?

An ambitious project like this faces complex geological challenges. To overcome this, the 4,350-ton TBM Dinghai boring machine, equipped with 308 custom cutters, was designed to excavate at a depth of 42 meters under the sea. This machine faces 28 distinct geological transitions, showing that technology can triumph over even the forces of nature.

Once completed, the high-speed railway construction will enable faster and less polluting travel, aligning with China’s sustainability goals. This connection will strengthen regional integration, promoting economic and social development while reducing dependence on road vehicles.

The Jintang Submarine Tunnel is not just a major engineering undertaking, but also a bridge to the future. It promises to transform mobility in China, bringing efficiency, connectivity, and sustainability to the region.

To Be Completed In 4 Years: The Construction of Underwater Tunnel That Will Reduce Travel Time From 90 to 30 Minutes in China, Costing 3.3 Billion Dollars

At 78 Meters Deep and Supporting Trains at 250 km/h, the Construction of the Underwater Tunnel Will Connect Zhoushan to Ningbo by 2028, Drastically Reducing Travel Time and Boosting the Local Economy.

What Is the Jintang Submarine Tunnel and How Will the Underwater Tunnel Be Constructed?

Why Is the Jintang Tunnel So Important?

How Does the Project Address Challenges?

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To Be Completed In 4 Years: The Construction of Underwater Tunnel That Will Reduce Travel Time From 90 to 30 Minutes in China, Costing 3.3 Billion Dollars

At 78 Meters Deep and Supporting Trains at 250 km/h, the Construction of the Underwater Tunnel Will Connect Zhoushan to Ningbo by 2028, Drastically Reducing Travel Time and Boosting the Local Economy.

What Is the Jintang Submarine Tunnel and How Will the Underwater Tunnel Be Constructed?

Why Is the Jintang Tunnel So Important?

How Does the Project Address Challenges?

The Soviet Union spent 22 years drilling into the Earth’s crust and reached a depth of 12,262 meters — they found water where it was thought impossible, hydrogen bubbling from the rock, granite that is 2.7 billion years old, and temperatures of 180 degrees that melted the drill bits.

Egypt wants to draw 10 million cubic meters of water from the Nile per day into the desert, irrigate a new agricultural frontier, and build a city where there is currently only sand.

Ethiopia has banned gasoline and diesel cars, placed over a hundred silent electric buses on the streets of Addis Ababa, and now aims for half a million electric vehicles by 2030, all powered by Africa’s largest dam and a courage that few countries have shown.

Norway is drilling 27 kilometers of rock 392 meters below the bottom of a fjord to build the world’s largest and deepest underwater road tunnel — when completed, a 21-hour journey will be reduced to 10.

An astronaut spent 340 days in space while his twin brother stayed on Earth, and NASA found a “rejuvenating” effect, genes, microbiome, cognition, and immune system that revealed the biological cost of living outside the planet.

After 14 years of construction and a diplomatic crisis that nearly led to a military confrontation over control of the Nile, Ethiopia inaugurated the largest hydroelectric power plant in Africa — the dam is 170 meters high, holds 74 billion cubic meters of water, and generates 5,150 megawatts.

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