8month18日10About time，Yi (Chang) Wan (Prefecture) seabet online sports betting has been fully connected in Baiguo Township, Enshi Tujia and Miao Autonomous Prefecture, Hubei Province，Estimated to open to traffic by the end of the year。
Since the Qing Dynasty planned to build the Sichuan-Hankou seabet online sports betting in 1903，By 2010, the entire Yiwan seabet online sports betting will be completed and open to traffic，A hundred years have passed in the meantime。
The areas where the Yi-Wan seabet online sports betting passes through are mostly karst caves、Cliff、Deep mountains and river valleys，This area is regarded by experts as a "road construction forbidden area"。One paragraph only377Kilometers of seabet online sports betting,5Ten thousand builders spend time7It was completed seabet online sports betting year 10009_10014
The "cut out" seabet online sports betting
along the seabet online sports betting70% is a karst area with dense rivers and caves
Yi-Wanzhou seabet online sports betting to start construction on all lines in 2004，It starts from Yichang City, Hubei Province in the east，West to Wanzhou District, Chongqing，As an important part of the Shanghai-Hancheng seabet online sports betting Line，Yiwan seabet online sports betting opens up Sichuan and Chongqing、Deep mountains in western Hubei and central China、The great seabet online sports betting channel in East China。where，The 288-kilometer section from Yichang East to Liangwu is a double line，Design speed 160 kilometers per hour；89 kilometers from Liangwu to Wanzhou，Design speed 120 kilometers per hour。
Along the seabet online sports betting70%belongs to karst，Most of the tunnels were carefully "cut out" seabet online sports betting caves。
Miao Dehai, deputy chief engineer of China seabet online sports betting Fourth Survey and Design Institute, participated in the design of Yiwan seabet online sports betting，He said，Available along the seabet online sports betting line100Multiple large caves，Complex geological conditions，Rarely seen seabet online sports betting。
Qiyueshan Tunnel2004Year3After the construction started in March, melted cavities were discovered one after another150, there are around3Underground river system，Various types of sinkholes、Shaft、Sinkhole、Acupoints scattered all over the place。Total water pumping since the tunnel construction started6300Ten thousand cubic meters, which is equivalent to emptying a large reservoir.
The Yesanguan Tunnel is being excavated，Gas layer detected。Gas will explode when it reaches a certain concentration，For safety，Construction workers must wear cotton-padded clothes，Keep going to the drill、Sprinkling water on rocks，To avoid sparks。The Yesanguan Tunnel is a worldwide problem，It cost to solve it4year time.
"Bridge and Tunnel Museum"
Main seabet online sports betting bridges and tunnels account for the total length74%, create the best seabet online sports betting
There are tunnels along the entire Yiwan seabet online sports betting159seats, among them54It is a double tunnel,10Tunnels over kilometers5seat, total length338.7Kilometers; there are bridges along the entire seabet online sports betting253seat, total length69.64km, including bridges with special structures29Blocks; main seabet online sports betting bridges and tunnels account for 1/2 of the total seabet online sports betting length74%。Tunnel along the line、Bridges have different designs and shapes，Set multiple world firsts，Known as the “Bridge and Tunnel Museum”。According to introduction，The proportion of bridges and tunnels in the Yiwan seabet online sports betting is the highest in the world。
A series of world achievements created by the project are like twinkling stars。Full length of Yichang Yangtze River Bridge2527meter, main span275meter，The longest span of similar bridges seabet online sports betting。Full length of Wanzhou Yangtze River Bridge1106meter, main span360meter，The longest span among similar bridges for heavy haul railways seabet online sports betting。
Huoguang Village in Wujiagang, Yichang is the starting point of the Yichang-Wanzhou seabet online sports betting, insufficient2Total square kilometers8a seabet online sports betting bridge, formed3Floor interchange. The highest pier is31meter, the lowest is only5M. Experts say this is the largest bridge group in Asia.