A curious incident occurred in the Chinese city of Xiamen. After 5 years of operation, a huge bus station, which has 2 floors underground and 3 above it, found itself in the path of a new high-speed railway. In such cases, the buildings are simply demolished and built elsewhere, but the Chinese engineers went for a trick, they decided to move one end of the terminal weighing 30 thousand tonnes. tons to... another street, and this is as much as 288 meters, and even at an angle of 90 degrees! What came out of this venture and was it worth it to strain so much, we will try to figure it out.
When a large-scale bus station was built in 2015 in the city of Xiamen, in the southeastern Chinese province of Fujian, there was no sign of trouble. But life is making its own adjustments, requiring the maximum expansion of space and the introduction of new transport hubs and branches. According to the new master plan for the construction of the city, a high-speed railway branch should pass in this zone, which cannot be displaced in any way. Because of this project, the central part of the 162-meter building of the station turned out to be across the canvas. The building was demanded either to be demolished or moved to another street.
After careful calculations and lengthy discussions with engineers and builders, the authorities nevertheless decided to leave the terminal intact. In the shortest possible time, a phased plan for the transfer of the bus station was developed. The work was complicated by the fact that the five-storey building has a rather big width of 37 m, and even 2 full-fledged underground levels.
But this is not all the problem. This unexpected movement required the station to "rotate" 90 degrees horizontally, using one side of it as the center point. At the same time, the far side of the terminal should "walk" to another street, outlining a semicircle 288 meters long!
Naturally, such a problem cannot be solved immediately, so the work began with clearing a piece of land on which it was planned to move the building. Also, the terminal had to be removed from the foundation in the old place, and in the new one, it had to be rebuilt. After that, on the cleared area, the rails were laid in a semicircle in the form of a fan, and 532 hydraulic jacks controlled by a computer program were installed under the structure itself. It was they who raised the building so that it gradually reached the rails, on which centimeter by centimeter it moved to the final point of the route. The whole process involved jacks, divided into two groups, working alternately.
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The constant movement of the building forward caused a persistent feeling that it was walking in the literal sense of the word. Hydraulic jacks worked 24 hours a day, and the bus station, which weighs more than 30 thousand. tons, during this time it was displaced by at least 10 m.
In total, the entire process of preparation and “moving” to a new location took 40 days. And this is much faster than dismantling a building and then building it from scratch.
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Interesting fact: For the construction of a bus station in 2015 almost 39 million dollars were spent, but his movement cost 7.5 million "green". And this is even without taking into account the exorbitant amount for dismantling, if it came to him. So the Chinese made the right decision when they decided on such an unexpected project, which was crowned with success.
Despite the fact that the movement of huge structures is quite rare, it was not invented by the Chinese and not now. Experiments with "moving" mansions began to be carried out in the 15th century, especially impressive Tverskaya Street in Moscow became famous for real estate movements.
A source: https://novate.ru/blogs/191020/56410/