Mainland China first undersea tunnel xiamen xiang Ann tunnel
Mainland China first undersea tunnel - xiamen xiang Ann undersea tunnel 26th morning traffic. As the world’s biggest undersea tunnel profile, xiang Ann MBT Shoes Sale undersea tunnel length 8.695 kilometers from xiamen reach across the continent, saved 82 minutes.
Xiamen xiang Ann undersea tunnel is the national “863″ plan projects in China, the key project of independent design and construction of construction. With three holes through the tunnel of MBT Shoes Sale xiamen xiang area, located in the sea, undersea tunnel 6.05 kilometers, the deepest tunnels period in sea level 70 meters from the start, the next four years to build only spent eight months.According to the tunnel construction unit of China railway construction, 22 bureau group, vice secretary of party, undersea tunnel project, this article introduces ZhiHuiChang GuoYanJing tunnel construction of complex geological succession, met the strong weathering formation water and sand layer, weathering planimetric three hardnut problem etc.According to him, China railway construction bureau of 22 group adhere to scientific and technological innovation, improving the traditional construction method, the hole in the rock for consecutively six month weak area excavation over MBT Chapa Chili 60 meters, set a world record for large cross-section tunnel construction. Two-way six lanes of xiamen xiang Ann undersea tunnel channel is in southern island, with the channel 5 dual function of urban roads and highways. It’s open, make xiamen island formed from the sea and to the bottom of the three-dimensional transportation structure. Round-the-clockTags: MBT shoes sale, mbt chapa chili
