Every train passing this bridge will whistle for 30 seconds. What kind of bridge is this?

This bridge is the Longgudian Bridge in chengdu-kunming railway, and every train passing this bridge will ring for 30 seconds.

In the southwest of China, after more than 50 years of wind and rain, there is a general-speed railway named chengdu-kunming railway Longgudian Bridge, with a total length of 1 100 km, which is the first of China 18 railway. In the process of construction, more than 300,000 soldiers and civilians who participated in the construction paid a high price. On average, about two road builders died every kilometer in chengdu-kunming railway, and 22 martyrs' cemeteries were built along the route. Only the railway from Panzhihua to Kunming is less than 300 kilometers, and 525 people died.

At present, there are 22 martyrs' cemeteries along chengdu-kunming railway, where 2 100 martyrs are buried. Almost every newly-built railway station has a martyrs cemetery. They quietly watch the passing trains and guard this heroic road covered with blood and sweat. Half a century later, every train will whistle for 30 seconds when passing through the Longgudian Bridge, paying tribute to the martyrs who died for repairing the bridge.

When chengdu-kunming railway opened the road to a new world, it was also Panzhihua Iron and Steel Company? Come out? One day. Panzhihua's steel is continuously transported to all parts of the country, which enables the city to develop rapidly. Before 20 18, the GDP growth rate has been the first in the province. It is the largest production base of railway steel, vanadium products, titanium raw materials and titanium dioxide in China. Six months after the opening of the Chengdu-Kunming Line, xichang satellite launch center was completed, and now it has surpassed the space launch activity 100 times and become a world-famous space city. The raw materials, equipment and high-precision spacecraft needed for each launch are transported through Kunxian.

Every year? Torch Festival? During the Lunar New Year, Chengdu Bureau Group Company will actively increase the number of temporary tourists, and the increasing number is still increasing, in order to help the development of local tourism and drive residents along the route out of poverty.

From successful construction to successful operation, chengdu-kunming railway has broken the prediction of foreign experts? Violent nature will also turn it into a pile of scrap metal? And make it a world-famous typical human building in history. Today, this? Myth? Not only to face the test of nature. With the development of the western region and the rapid economic and social development in western Sichuan, the transportation demand in chengdu-kunming railway also keeps growing.

High-speed rail era, myth project? It has left a glorious mark on the railway history of China, and the construction and renovation of chengdu-kunming railway has a long history. On June 6th, 2020, 65438+20201October 6th, as a key project to build a comprehensive transportation hub in western Sichuan, the double track of Kunming Railway from Chengdu to Emei started. Five years later, the newly-built chengdu-kunming railway will be completed and opened to traffic, and all operation time will be reduced by more than half. Here it is. New? Myth? Will continue.