Yesterday, the reporter built in the construction side of China Railway 23 Bureau Group companies have found that, with the Iasi high-speed (also known as Ya Lu high speed) Dry Hai Zi Bridge 21 cross the right hand side of the medial flange plate end of the concrete pouring, Iasi one of the high-speed heavy and difficult control projects Dry the Haizi Bridge main construction completed. Arrangements across the board is expected later this month will open to traffic, according to the duration when the people of Chengdu via the high-speed five hours to reach the Xichang six hours arrived in Panzhihua.
The parapets increased 30 cm
Dry the Haizi Bridge into the winter low temperatures, the road is slippery and easy snow, will be equipped with snow removal trucks and other rescue and relief equipment. The same time, both sides of the fence higher than ordinary high-speed fence 30 cm, to prevent vehicles from out of the bridge. In addition, the piers of the bridge also uses a unique design of the ATC, reduce the weight of the pier, bridge design anti-seismic intensity of 9 degrees.
Chengdu to Xichang 420 km
With the completion of the the Ganhaizi Bridge main, Iasi high speed across the board is now the only remaining mud Cairn Tunnel Yingjing of stretch of road still under construction, is expected at the end of this month will be open to traffic. By then, the state trunk highway Jingkun Expressway in Sichuan Province will achieve full speed, Chengdu to Xichang shortened to 420 kilometers by car 5 hours to reach, saving about half the time than in the past, the need to continue south to go to Panzhihua, after the completion of the West high-speed climb to a distance of only 6 hours.
Data
Ganhaizi Bridge is one of the Iasi highway heavy and difficult control projects, at an altitude of 2500 meters, Ya'an, Sichuan the Shimian territory, bridge length of 1811 meters, the design width of 24.5 meters, a total of 36 cross, the highest pier up to 110 meters, and built driving which, in the "cloud" in general.
News Background >>>
The construction of the bridge won four world
This reporter has learned, Ganhaizi Bridge project to start construction in June 2009, throughout the year to have inclement weather, the spring wind speed to reach 7 to 8, summer rain and fog, winter, snow mountain, the construction difficult.
In order to ensure the successful completion of the construction of the three companies of the China Railway 23 Bureau composed of 800 construction team 24 hours construction, the bridge to achieve the first seat of the longest concrete filled steel tubular truss bridge; highest first pier of concrete filled steel tubular lattice, combined piers, the hybrid bridge piers; similar structure on each page the longest continuous structure; first steel fiber reinforced concrete filled steel tube construction, four first in the world.
Source: Tianfuzaobao
