国产精品久久久久影院小草_日韩色网视频中文字幕_了解最新在线观看最新国产专区_91超碰刺激偷拍_九九视频在线观看6_JiZz国产精品水多_少妇乳大丰满高潮喷水_中文字幕巨乱亚洲网站_视频一区欧美日本_日本国产h片在线观看免费的

Section II Project of Jinan Connecting Line of Beijing-Shanghai Expressway

Visits : Release time :2017-12-28

this project is constructed by The First Company of China Eighth Engineering Bureau Ltd. and is the pioneer pilot for company transformation and upgrade. With the total length of 6.632KM, the estimated budget investment is 1.50623 billion yuan. Along the line, 3 interchanges, 2 long tunnels, 1 medium bridge and 1 monitor communication maintenance station are provided. The Longding Tunnel has a length of 2,183.439M and the Ganggou Tunnel has a length of 1,105M, respectively ranking the second and the fifth in terms of the length of two-way eight-lane highway tunnel in the world. After completion, it will achieve the connection between south line of Jinan-Qingdao Expressway and overpass of Jinan Erhuan South Road, and Jinan-Qingdao Expressway and overpass of Jinan Erhuan East Road, and be of great significance to build a seamless urban express road network system in Jinan, ease urban traffic congestion in Jinan, and accelerate the development of the eastern urban area.