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4 bridges that will rewrite the future of humanity

New methods and materials will give us results never seen before. Among the challenges in the planning phase, 4 bridges of the future that will have enormous importance.

July 4 2019
Gianluca RiccioGianluca Riccio
⚪ 7 minutes
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On 24 October 2018 one of the most important bridges of the future in the world saw the light: the Hong Kong-Zhuhai-Macau, 55 kilometers of bridges, underwater tunnels and four artificial islands.

9 years of work, 18 billion euros, guaranteed duration of at least 120 years and different qualities:

  • It can withstand an 8.0 magnitude earthquake and a collision with a super cargo ship;
  • Cut travel times from 3 hours to 30 minutes;
  • The drivers' heart and pressure are monitored all the way: information is sent to the bridge control center;
  • If a driver yawns more than 3 times in 20 seconds, a special camera goes on alert.
  • The whole system is set up (and structured) to take advantage of 5G.

It is the last in order of time, but the first of the next megaprojects that will redefine the world as we know it.

4 bridges of the future

Four megaprojects of bridges that will connect the world in a way never imagined before

Our engineering skills grow year after year. New methods, new materials, new ways of calculating will allow us to obtain results never possible even just a few years ago. Among the major challenges that are currently being planned, four bridges of the future in particular will have a monumental strategic importance.

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Bridge over the Bering Strait

Bridges of the future - Bering Strait
Strait bering

Building a system of bridges and tunnels across the Bering Strait can exponentially accelerate trade between North America and Asia. Difficulties in building the course will be offset by enormous benefits. Narrow width of bering? 83 kilometers.

The route to the studies that at this moment seems the most probable for the Bering Channel is the one that connects the Chukotka Peninsula in Russia and that of Seward in Alaska: exactly halfway, as a foothold, the Diomede Islands.

The basic idea of ​​building this close connection between Siberia and Alaska (40km in total, but crucial) dates back to 1890, when William Gilpin, first governor of Colorado, proposed it. In that case it was part of a larger project, a sort of "global railroad" that would connect all the cities of the world. One stage, the most important, would pass right next to the frozen Bering Strait. Siberia to Alaska, so to speak.

Two years later Joseph Strauss, who already had over 400 bridge projects under his belt (and the role of project leader of the Golden Gate in San Francisco) made his proposal to the government of the Soviet Empire, but it was rejected. The fear was mainly linked to the economic aspects: connecting all the small islands between alaska and siberia would have been like crossing the bering strait asphalting it in width and length with a cement mixer. Impossible. Then the layout changed.

When in 1905 the Russian Tsar Nicholas II finally approved the project, the Russian revolution and the First World War put everything back in the drawer.

In recent years, other proposals have arisen, including a futuristic and ambitious line of fast trains from Manchuria to the United States (almost 10.000 kilometers!) Which would include an underwater part right under the Bering Strait.

Obstacles

The Russian side of the Strait lacks embarrassing infrastructure. The district of Siberia is a real frozen desert: for 3000 km there are no railways, and the first road (unpaved) is 1900 km away. However, in 2008 Vladimir Putin approved a plan to build a railroad that will reach the Strait by 2030.

On the American side, Alaska is also a large state with few roads: it takes about 1200 kilometers. The nearest major city is Nome, with only 3500 inhabitants, 160 kilometers from the Strait. There are no means of communication between Nome and the other cities.

Costs: the most full-bodied voice that slows down the "Bering tunnel", one of the most interesting bridges of the future, is this. To complete it, given the difficulties, between 60 and 90 billion euros will be needed.

Bridge of the Darién

Bridges of the future - North America and South America
The Darién bridge is the missing piece of the Pan-American highway.

In 1937 North America and South America signed the Pan-American Highway Convention, an agreement to build a link between cities in member countries. For the next twenty years an elaborate road system was built, but not completed. The missing piece is a thin strip of about 80 kilometers that connects Panama to Colombia. That area is known as the "hole" of the Darién.

The entire highway now consists of 30.500 kilometers of roads that go from Alaska to Argentina: a mammoth work that is not complete for that one missing piece, full of mountains and overhangs.

Obstacles

The fauna: the emptiness of Dariém is rather impractical: dense jungles, impenetrable mountains and lethal fauna (snakes, cougars, crocodiles, caimans and spiders).

Drug: Many rulers are against opening a new channel because they fear offering an easy passage between the two Americas to drug traffickers.

Japan-Korea bridge

Bridges of the future - Japan and Korea

The underwater bridge between Japan and Korea is a project open some time ago for a connection of about 200 kilometers that passes above and below the Korean strait using the islands of Iki and Tsushima as intermediate points of support.

Also in this case the proposal is a long one: it dates back to 1917, and has gone through phases in which the departure was given for imminent others of total abandonment.

Obstacles

costs: Each of these bridges of the future, as you will have understood, costs a lot because it has problems to deal with: in this case the problem is the type of processing that needs to be developed. To build a section of bridge and tunnel that respects the specific geological conditions of that area, the cost estimate exceeds 90 billion euros, a figure that currently discourages both countries.

Gibraltar bridge

The image could be misleading: despite the narrow distance between the two sides, the construction of a bridge over the Strait of Gibraltar requires extremely sophisticated engineering skills. Strait of Gibraltar? Exactly 13 kilometers.

Bridges of the future - Spain and Morocco

The Strait of Gibraltar separates Europe from Africa. A distance of only 14 and a half kilometers. Yet this small stretch of sea (ocean?) Presents very tough challenges in terms of construction, design and material physics. The Strait of Gibraltar bridge aims to cross them.

In 1979 the governments of Spain and Morocco established a committee to investigate the possibility of connecting the two continents. Over the years a number of projects have been proposed, and the governments of the two countries are very interested, but so far no concrete plans have been launched.

The final project would be 40 kilometers (including two parts on the mainland and the underwater connection) 300 meters below the ground, and would take 15 years to complete at a cost of between 10 and 25 billion euros.

In summary

Each of these projects has been around for decades, but what makes the difference today is our real ability, thanks to new technologies, to make them efficient and stable.

Over the next decade (2020-2030) it is likely that we will see many, if not all, of these projects kicking off. And others are also on the way: siberia alaska, siberia canada, gibraltar channel, strait spain morocco, call them whatever you like.

Closing these "circuits" will connect the world like never before, changing it forever.

Tags: connectionsrailwayspontitunnel

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