Maybe no one thought of using rockets to build bridges, right? It is true, this is what all Chinese and foreign people dare not think, the total investment of 618 million yuan of this bridge, from the design of the building to the use of 5 years, let the world be amazed, China not only in this extremely complex terrain to build this majestic bridge, but also created the technology of building a bridge with rockets, if you are also shocked by such an initiative.
In Enshi, Hubei Province, the Sidu River Bridge, is the main passage connecting Yichang to Enshi, after a long time, the Sidu River hindered the traffic, making it worse here in the problem of traffic, after the completion of the Shanghai and Chongqing Expressway, a very large suspension bridge was erected in the Sidu River, this suspension bridge is 560 meters high, up to 1100 meters, called the world's second largest high bridge, then there will definitely be people asked what the name of the first high bridge, where?
Sidu River Bridge
In fact, after the completion of the Siduhe Bridge, the world's tallest bridge is none other than him, because the 560-meter-high bridge is nearly 100 meters beyond Shanghai's famous Oriental Pearl Tower 468 meters, and you think about how its height can not be called the first?
Until 2016, the completion of the Guizhou Beipanjiang Bridge, the height is 655, becoming the world's first, since then the Sidu River Bridge is known as the world's second highest bridge, but the construction of the difficult Sidu River Bridge can be called the world's largest, The Sidu River Bridge because of the topography, the surrounding terrain is precipitous, some construction vehicles can not enter and exit, which adds unprecedented difficulty to the construction, not only the bridge foundation is not easy to complete, even the problem of the previous erection of the guide cable is difficult to complete, Because the cliffs on both sides of the bridge are more than a kilometer apart, there is a deep bottomless canyon, in such a dangerous place to build a bridge, to throw the guide cable to the other side of the increased difficulty, can not solve the problem of cable laying can not achieve the construction of the bridge, according to the normal laying method, the guide cable throwing method is mainly manpower and aircraft two kinds, these two ways after consideration, but because the distance is too long, the guide cable is too heavy, manually entrusted then at least five to ten people a group of construction, because the terrain is dangerous is likely to lead to the construction of casualties, This is clearly not in line with the people-oriented concept.
Guizhou Beipanjiang Bridge
Can not let the construction personnel take this risk, so the construction team to take the helicopter and hot air balloon into account, but the valley wind is too big, the impact is serious, the terrain is so complex, there is no helicopter lifting platform at all, risking to try also worry about the aircraft accident, these two methods are definitely not feasible, so as to mark that such a bridge is impossible to complete, in the face of various difficulties, the construction team rose to the challenge, overcame the difficulties and the result of creating the world's large-span suspension bridge pilot rocket throwing technology, That is to say, the use of rockets to build a bridge to cross the river.
People can't help but sigh in their hearts that China's infrastructure is too powerful, and at the same time, they are thinking that rockets are not used to transport missile spacecraft, and can also be used to build bridges! In fact, the idea of rocket bridge was accidentally introduced, and an engineer looked for a solution to the pilot cable at the construction site during the construction of the bridge, regardless of the wind and sun, and became ill and hospitalized. In the ward, the nurse was inspired when she gave herself an infusion, the long pipe behind the needle was like the pilot cable of the bridge, and suddenly thought of the fishing fork used by the fishermen, since people and helicopters could not solve the pilot cable problem, could it be tied to the rocket, ignited the rocket and thrown like the rope tied behind the fisherman's harpoon.
The engineer returned to the construction team with this question and idea, consulted various materials, and successively discussed with several missile experts of the troops, and finally got a feasible answer in theory, as long as it is theoretically possible, there will be no problems in the construction, and no one can stop this group of infrastructure giants.
The construction team will be a minesweeper rocket as a prototype and related components to modify, one end of the pilot cable is connected to the rocket's engine, the other end of the pilot cable is fixed to the bridge pile, the launch is ready, the next is to accurately send the rocket from one end to the other end, and must go to the designated location, engineering personnel and military personnel after precise calculations, and after many simulation experiments, two small rockets finally successively pulled the pilot cable over the canyon of a kilometer, each rocket accurately with a twelve hundred meters long pilot cable to the other side The whole process took only about three seconds, the problem of headaches for technicians was solved at once, the pilot lock was smoothly thrown to the other side with the help of the rocket, and the next work was not a problem for infrastructure workers, and the rest was a matter of time, no technical difficulty.
China's first creation of a large-span suspension bridge pilot cable rocket throwing technology, in the world to fill the technical gap in the construction of suspension bridges in the mountainous areas of this terrain, summarized a set of fully safe and reliable money-saving construction methods, and has been unanimously recognized in the world, at the same time, many countries in the construction of bridges have followed suit, but also high salaries to invite Our technical personnel to do guidance to build bridges, but it can only be the same trend.
Because such a powerful military technology is not available in many countries, even if there is, such technology will not be used on a bridge, let alone a bridge that cannot bring great economic benefits. I think at this moment we must have a sense of pride in our hearts, our country's infrastructure is not built for the economy, but built for the people, for the people's livelihood, our country in the place where there is no road to build roads, in the place where there is no bridge to build bridges.
After the efforts of all the staff, the investment of 618 million yuan, with more than five years of super bridge, in November 15, 2009 to achieve the dream of opening to traffic, such a bridge created a new infrastructure record in China and even the world, the pace of infrastructure madness did not stop because of this success, but has been moving forward, I hope that everyone can continue to pay attention to the construction of China's project.