Behind the "Clear the Air Bridge", about the construction of new vine Nanjing Yangtze River Bridge "Hong eighty-one hard by ‘| red mark of 72 set
Voice recorder memory hundred years, I was telling people the revolutionary heritage, vine new voice actor. I told artifacts, Nanjing Yangtze River Bridge 1: 300 model, now housed in the museum is located in the south tower of the Nanjing Yangtze River Bridge.
The length of about 16 meters model, showing the Chinese people self-designed, self-built two-tier’s first railway, highway dual bridges initial appearance – Pier 10 across the bridge is 9, by 5,000-ton ocean-going vessel; lower the two-track double-track railway bridge Jinpu Railway and Shanghai-Nanjing railway in a line; the upper road bridge and the city of Nanjing Jiangbei Pukou together into one; on both sides of the road stood a pair of magnolia lamppost, like a loyal guard, guarding the bridge for many years safety.
Compared with this, the model is "unmovable cultural relics" Nanjing Yangtze River Bridge, but experienced several "stay away" trip. 1966 National Day, which is housed in kcal car, starting from the Xuanwumen, after Yi Jiangmen, came to the Drum Tower Square, the first public display of the citizens of Nanjing; it was cut a few cut, by train to Beijing for the Central bridgehead leading to finalize the design.
Nanjing University Professor of Architecture and Urban Planning Institute Luan Dong introduction bridgehead three red flags of origin: Luan Dong 🙁 time program) bridge has been decided, but bridgehead styling has not yet finalized, the last shot of Zhou Enlai board, in addition to Zhou Enlai approved records, as well as Zhu De and Liu Shaoqi photo model edge. Nanjing Yangtze River Bridge model, not only to show the Chinese people write "natural moat change thoroughfare" Legend of vision, but also that the new Chinese builders are not afraid of any difficulties, the courage to practice determination! Nanjing section of the Yangtze River wide average 上海静安区品茶微信 of more than 1500 meters, is also the most narrow at 1,100 meters water depth of more than 15 to 30 meters, the deepest over 70 meters, strategically located and difficult terrain, forming a "natural barrier of the Yangtze River."
American Bridge expert has asserted: "water flow needs, where the bridge is impossible." In 1960, Yang Chun Mei Nanjing Yangtze River Bridge as the first chief designer came Pukou. The first challenge he faces is how to build piers? Model point of view, 9 piers exactly the same, in fact, geological and hydrological conditions of the various piers are not the same.
9 piers, with four different base solution.
Yang Chun Mei Mei Ruli daughter recalled: Mei Ruli: At that time I know of, is to find Tang Cheng-wan, sitting next to him, took a pull-foot-上海外卖工作室count cases finalized pressure, etc., to come up with data to the debate, we They agreed. The process of construction of the bridge, and it is constantly breaking innovation process. VII pier in the middle of the river, the original plan to use steel caissons plus column technology, but it was steel scarcity, when he was the chief architect of the underwater foundation Nanjing Yangtze River Bridge Cao Zhen, creatively put forward instead of pure steel reinforced concrete, Railway Bridge Bureau senior engineer, when he was Nanjing Yangtze River Bridge technician Zhu Haitao, said: Zhu Haitao: Cao Zhen at the meeting, he has been calculated, according to the scientific data on the reasonable structure, his thinking is very clear.
Construction of the bridge has been difficult. The second half of 1961, my country’s decision 上海龙凤网 to Nanjing Yangtze River Bridge girders of the steel is no longer rely on imports, to "at all costs required to produce steel." After two years of hard struggle, gathering strength and wisdom of the parties 16 manganese steel bridge was finally successful trial and quickly applied to the construction of the bridge. No commitment to, after this, there have been more difficult.
September 1964, autumn floods menacing.
Two caisson fifth and fourth piers have not yet reached the cover layer has its breaking its anchor rope.
A basketball court area close enough to have seven-storey colossus, a torrent swing to and fro, the most significant reach 60 meters! Bridge bridge site may be scrapped at any time, everyone’s hearts are on the site in his throat. Danger affects all parties: China Changjiang National Shipping Group sent two 2000 horsepower tug, the former Ministry of Railways to send special shipped from Dalian wire rope, chain Pudong shipyard working towards the same night when he —— Nanjing Yangtze River Bridge Design Construction Branch team leader Cao Chun yuan recalls: Cao Chun yuan: the top two tied each ship pier, tied drag, a two piers pull the rope here, manpower is not enough, do not let it drift away, tied it to go up. After nearly two months of continuous fighting and rescue, personnel building a bridge has proudly said: "We played a Water ‘Major Battle’."
Nanjing Yangtze River Bridge construction eight years to overcome many technical difficulties, natural disasters, costing up to one hundred million yuan, using ten thousand cubic meters of concrete, tons of steel.
"Weiwei Zhong Shan Ying Rising Sun" was the repertoire of the Beijing-Shanghai passenger line. When the train sounded the song’s melody, people knew: the Nanjing Yangtze River Bridge to.
Songs about 4 minutes, the train passed the bridge, the song also happens to end.
This road and railway bridge, creating the Chinese people rely on their own strength to build large bridges of a new era, a new starting point for China’s cause of the bridge.
At the same time, it also gives a plug in east China’s economy to take off. Hehai University Professor of Coastal and Offshore Engineering harbor seal Xuejun: the formation of the earliest, most complete water, public, railway hub in the collection and distribution of ground transportation for the entire Yangtze River Delta regional economic development, has an important history role.
Today, the Nanjing Yangtze River Bridge in Nanjing has become a landmark building, it is listed as one of the new Jinling 48 King. September 2016 was selected the first batch of Chinese Architectural Heritage List of the 20th century. Of course, go down in history as well as builders first-yong, self-reliance, the better the spirit of the times. Man Wang instrument: I am the Nanjing Yangtze River Bridge Museum instrument instructors Man Wang, born in 1995, the Nanjing Yangtze River Bridge is our national self-reliance in the difficult years ahead, forge ahead of the mark.
Every piece of steel on the bridge, every rivet, have condensed the older generation of selfless dedication and hard study. We’ll spiritual heritage bridge, the bridge is good storytelling, not forgetting the beginning of the heart, courageous and move forward.