[mark of Chinese new ground]
When new China holds water 70 years, the big bridge of river of Hubei stone leading cadre that builds construction of construction of big bridge bureau by Chinese iron and grand auspicious railroad fair iron of 3 gorge Yellow River is amphibious big bridge is about to build be open to traffic, at the appointed time, drive from Wuhan stone head is time-consuming shorten from nearly 5 hours reach 2 half hours or so, the substantial energy resources of Shaanxi, Shanxi also had important " south below " thoroughfare; In addition, be about to of be open to traffic advocate cross the Wuhan that is as long as 1700 meters poplar big bridge of Si harbor the Yangtse River is called to be the traffic capacity on the world the biggest, use function is the most complete cross suspension bridge greatly, ensure one of circuitry as games of soldier of the 7th world, poplar after big bridge of Si harbor the Yangtse River builds be open to traffic, provide the success that meets for army carry safeguard of principal liaison man.
In the development process of the motherland, join deep mountain valleys, span the big bridge of sea of river river lake, once was the dream of a lot of Chinese. The big bridge of Wuhan the Yangtse River that obtains rolled steel of technical help, import from Russia from need, to paddle one's own canoe, big bridge of self-made Nanjing the Yangtse River, arrive again nowadays harbor bead bay of the ceaseless emerge in large numbers such as big bridge, Su Tong big bridge, peaceful city big bridge " bridge miracle " , review Chinese bridge phylogeny, the design of each big bridge and construction are built, the wisdom that condensing builder rear is enraged with brave.
"One bridge flies a north and south, road of natural moat flexible. " come 70 years, from cross a river, cross river, to span marine, no matter the big bridge that our country builds is geological condition, or configuration is more and more complex. The bridge, regard technology intensive as the project, also witnessing the progress of the motherland, development and even more powerful actual strength from a flank.
Chinese can says " world bridge museum "
2018 the end of the year, prepare through 6 years, 9 years of construction, full-length the harbor of 55 kilometers bead bay big bridge builds be open to traffic. Bridge of market of this one super engineering, channel and artificial island at an organic whole, what its build difficulty is big, those who be known as bridge bound " Mount Everest " .
"Go up to bound of this eye preexistence integrated difficulty is the greatest cross Hai Daqiao and character, every honorary backside, be data of heavy of a group of groups prop up. " China is handed in build chief engineer, harbor bead bay Lin Ming of general manager of project of Sui of big bridge island, chief engineer expresses, in harbor bead bay in big bridge project, chinese bridge builder in all research and development 10 multinomial worlds' banner special device and system, won 500 multinomial patent, captured heavy canal of more than 10 open waters installs the project difficult problem of world-class.
On September 9, wuhan the big bridge of the 11st the Yangtse River, big bridge with the widest bridge floor on the Yangtse River -- project of main body of big bridge of green hill the Yangtse River is finishing. Data shows, up to now, be in on the Yangtse River build already built various modern bridge to exceed 200. In project domain, large bridge is known as " the bright phearl on imperial crown " . Wait for a building at skyscraper, large airport relatively, wear the large bridge on gorge, Jiang He, sea, should bear not only oneself weight, return withstand is in great quantities car, pass brought huge impact to high speed train very.
The big bridge of Wuhan the Yangtse River of formal on October 15, 1957 be open to traffic is known as " 10 thousand lis of the Yangtse River the first bridge " , it is the railroad of the first multiple track that after new China holds water, builds on the Yangtse River, highway amphibious bridge. 60 come for years, all previous classics the big bridge of Wuhan the Yangtse River of harships vicissitudes of life, bore 77 times accident collision accident, but many tons 24 thousand girder does not have bridge bend be out of shape, 8 pier surface does not have one crackle, many 100 rivet is not had become loose, complete bridge is not had change sink.
In Xu Gong of assistant chief engineer of designing institute of Tie Daqiao survey justice express, can the project that withstand time tests just is good project, big bridge of Wuhan the Yangtse River still is like 60 years stably first, via expert appraisal, life can amount to hundred years above. In addition, the bridge, the bridge is crossed, distribution of aesthetic of bridge-type, building, function is very equitable perfect, can says to come honour classical.
Data shows, up to 2018 the end of the year, gross of bridge of our country highway has achieved eight hundred and fifty-one thousand five hundred, railroad bridge already also exceeded 60 thousand, exceed world other country far. Meanwhile, the tall iron bridge of our country already also achieved more than 30 thousand, length achieves 16 thousand more than kilometer, 50% of tall iron bridge.
"Nowadays, contemporary China has made course of development of operation of world railroad bridge the longest, in build the country with the biggest dimensions. The prefab box bridge that makes carry wear unifinication builds technology, big span inclined pull the bridge and suspension bridge whole set to build whole set of technology, deep-sea bridge to build a technology to wait rank world front row. In addition, in before world height 100 big bridge, china undertook the whole thing more than 80 among them, can says ' world bridge museum ' . " division of assistant dean of Chinese Academy of Engineering, China assist academician of vice-chairman He Huawu says.
Create an another world record
Alive bound bridge builds an industry, circulating a such words, "World bridge is built, 20 centuries look before 70 time Euramerican, 90 time see Japan, 21 centuries should take a fancy to a country. 21 centuries should take a fancy to a country..
The first long bridge of world -- on Beijing Shanghai Gao Tie full-length the Dan Kun of 165 kilometers is especially big the bridge; The world is the longest bridge of highest completely transparent glass -- big bridge of glass of Home Zhang group; The fair iron of the biggest span on the world is amphibious inclined play the bridge -- full-length 11072 meters Shanghai connects big bridge of the Yangtse River; The world the first cross Hai Changqiao -- be as long as the harbor of 55 kilometers bead bay big bridge...
"Nowadays, world of Chinese bridge shock, it is the need that traffic infrastructure builds above all, it is powerful economic actual strength is propped up next, but what the key depends on system of scientific research technology is long-term accumulate with break out. " Sun Wenjian of vice director of lab of policy of traffic Department of Transportation expresses, chinese bridge person goes up in science and technology, craft, equipment, material and aesthetic surgery of follow closely home learns forward position and heat, be good at learning innovation, achieve beautiful performance repeatedly in design of bridge of big span fair iron, research and development, experiment and application.
On July 1, 2014, full-length 9969 meters, be known as " river of tall iron oxide yellow the first bridge " Yellow River of advance short for Shaanxi Province is especially big the bridge is formal be open to traffic, big bridge spans eastwards on the west oneself the Yellow River, the Shanxi since join, Shaanxi two provinces, it is at present railroad of our country high speed spans the Yellow River the bridge with the largest scale of the longest, construction.
"Yellow River of advance short for Shaanxi Province is especially big bridge complete bridge in all 175 mound stage, the Bao Bi that great majority is 45 meters of above is hollow tall mound, underground of picket radical development evens more 100 meters, and used steel joist make a greater effort first in home set a structure. " in staff member Zhang Xingyu expresses iron Shanghai bureau, because,be lofty technical level, this project had the honor to win national AAA class to install whole culture to standardize sincere letter building site, China to build a project rash class award and Zhan Tianyou of Chinese civil engineering are big award.
In the meantime, in award of a lot of international tip bridge in choosing, the figure of Chinese bridge project often also appears among them. The end of the year is formal 2013 the big bridge of saddle hill the Yangtse River of be open to traffic, ever ground independently issue 19 domestic and international patent, obtain element to have bridge group " nobel prize " beautiful praise tall treats · to manage Cha Desen award. Win this award still have Zhejiang big bridge of Jia Shaoda bridge, the Yangtse River of Wuhan Tian Xingzhou, Nanjing is gotten the better of greatly close big bridge of the Yangtse River, Su Tong bay of administrative division of big bridge of highway of the Yangtse River, rubber crosses Hai Daqiao. Because of ceaseless promotion of the technology, at present construction of our country bridge is in each reality of impossible melt into.
Bring more advantage for people
Regard traffic as the main component of powerful nation, our country bridge is creating an another world record not only, the unripe generation that also is people is creating more advantage alive.
The clear water river of be open to traffic is old 2015 the bridge, make Guizhou is become western county of the first county knows the area the province of the freeway; The boreal Pan Jiang of be open to traffic is big 2016 the bridge, be once " the first tall bridge of world " , bridge floor arrives by cereal perpendicular height 565 meters, be equivalent to 200 buildings tall, its building be open to traffic makes Yunnan Xuan Wei and Guizhou water city Cheng of two ground car shortens from 5 hours to 1 hour; The pool of official of Guangxi Liuzhou city of be open to traffic is big 2018 the bridge, make Liuzhou city old the city zone shortens from 40 minutes to the car Cheng of Liu Dongxin area... nowadays, such story is performing the earth of an ancient name for China in length and breadth of land increasingly to go up.
Meanwhile, the bridge building that still has more Gao Shuiping is being built in construction, will bring more advantage for people at the near future. Bridge tower of world highest concrete -- smooth pond is especially big the bridge, predict nowadays the end of the year is finishing; First fair iron of Chinese is amphibious suspension bridge -- big bridge of the Yangtse River of 5 peaks hill, predict in August 2020 complete be open to traffic; Perpendicular corner spends the biggest bridge on the world -- river of billows dark blue is especially big the bridge, predict will nowadays the end of the year is basic and finishing...
"Current, china is building big country to build powerful nation stride to bridge from bridge, in future 5 arrive 10 years, innovation of Chinese bridge technology and bridge build a level to still will have update bigger breakthrough. " Chinese iron builds big bridge bureau relevant controller expresses, bridge long road is for the go outing of convenient people of travel and goods carry, the hope passes our effort, let more and more traffic participator harvest more advantage and full happy feeling.
(Zi Qian of our newspaper reporter)