congratulations to xinglu science and technology f
时间：2021/3/2 14:18:27 浏览：115次
the project is located in the northern part of zunyi, guizhou province, in the three counties of shōan, tongzi county and xishui. the route starts at the town ping of tam giang in the northern part of zhengan county, and is connected with the daoweng expressway (g69, northern guizhou section) through the sanjiang "t" junction, and passes through the towns of anchang, yangxing and bifeng in zheng'an county, bashō township, dam tang town, yangdi town, mugua town, songkan town, xinzhan township, yelang town, xishui county, guizhou town, xianyuan town, wenshui town, finally xishui county, guizhou wenshui town bowl of water, river xigu highway. the total length is about 130.059 km. the main line adopts the standard construction of two-way four-lane expressway, the design speed is 80 km/h, the roadbed width is 24.5 m. there are 48,751 m/200 bridges, including 8,092.5 m/6 super bridges and 38,595 m/133 bridges. a total of 34,689 m/25 tunnels, including 13,770 m/3 extra long tunnels, 12,310.5 m/9 long tunnels, 5,195.5 m/13 medium and short tunnels. the ratio of bridge to tunnel is 64.12% , and the earthwork of roadbed is 28.43 million cubic meters. the total investment in the project estimate is 15.31 billion yuan. construction began in august 2016, the high-speed will be in sanyuanba and g75 lanhai high-speed (chongzun section) connection, is expected to be completed by 2020. on april 11,2019, the 4,515-meter-long dongwan tunnel of the zhengxi expressway in guizhou province, which was built by the fourth bureau of the china construction corporation, passed through safely. as of march 2019, the chinese construction team has completed construction and production worth 10.1 billion yuan, and completed investment of 11.3 billion yuan, accounting for 64 percent of the total investment of 17.792 billion yuan, twenty-five tunnels have been connected to 21,155 bridges have been connected to 45 double-framed bridges, and 19 single-framed bridges have been connected to 19 single-framed bridges.