论文部分内容阅读
宣大高速公路河北段西起河北阳原县冀晋交界,与(北)京大(同)高速公路相连,东至宣化与(北)京张(张家口)高速公路相接,设计荷载为汽车一超20级,挂车-120,双向四车道,全长126公里。全线分三期进行建设,一期工程长37公里,于1999年9月竣工通车,二期、三期工程长88.9公里,于2000年12月初竣工,并全线通车,全线桥涵构造物共570座,其中小桥涵、通道493座。宣大高速公路的建成,对推进河北“两环”开放带动经济战略,加快沿线经济社会发展及西部大开发具有十分重要的意义。
The section of Xuan Da Expressway, Hebei Province, starts from the junction of Hebei Province and Hebei Province in Yangyuan County, Hebei Province, connects to the (North) Jingda (Tong) Expressway and the east to Xuanhua (North) Jing Zhang (Zhangjiakou) A super 20, trailer -120, two-way four lanes, a total length of 126 km. The whole project is divided into three phases. The first phase of the project is 37 kilometers long and was completed and opened to traffic in September 1999. The second and third phases of the project are 88.9 kilometers long. The project was completed in early December 2000 and opened to traffic. There are 570 bridges and culverts , Of which small bridge culvert, channel 493 seat. The completion of Xuan Da Expressway is of great significance to advancing the economic strategy of opening up the “two rings” in Hebei and accelerating the economic and social development along the route and the development of the western region.