中国第一条高速公路哪一年修建的,请问中国第一条高速公路是哪一年建的?
据和记百科网站「三寸日光。」消息,近日,中国第一条高速公路哪一年修建的,请问中国第一条高速公路是哪一年建的?引发热议,中国第一条高速公路哪一年修建的同样引起许多争议,对此众网友各抒己见。但到底是怎么回事呢?和记百科为您解答。
中国第一条高速公路是1988年建的,沪嘉高速公路诞生在上海,于1984年12月开工建设,1988年10月建成通车,全长18.5公里。这条路位于上海市区的西北地带,是204国道(上海至烟台)的入沪路段。
沪嘉高速公路的结构:
沪嘉高速公路主线设计昼夜交通量3.8万辆、路面标准轴载BZZ100,采用全部控制出入口,上、下车辆分道行驶,并辅以较为完善的各种设施。公路用地宽45米,路面以沥青混凝土为主,部分为水泥混凝土。桥、涵荷载标准为汽车超20级,挂车120,桥面与路面同宽。桥梁采用上、下行分离的2座独立桥梁。立交桥下净空高度4.50米。匝道设计行车速度每小时40公里,路基宽9米,其中车行道宽3.5米。全线共有各类构筑物51座,总长3318.45延米,占全线里程的20.87%,结构物中,人行穿越孔采用钢筋混凝土框架结构,其他为桩基础和预应力混凝土简支梁结构。
答:1988年。中国第一条高速公路是1988年建成的,沪嘉高速公路诞生在上海,于1984年12月开工建设,1988年10月建成通车,全长18.5公里。
【英文介绍/For English】:
The first expressway in China was built in 1988. The Hujia Expressway was born in Shanghai. Construction started in December 1984 and opened to traffic in October 1988, with a total length of 18.5 kilometers. This road is located in the northwest area of Shanghais urban area, and is the entry section of National Highway 204 (Shanghai to Yantai).
The structure of Hujia Expressway:
The main line of Hujia Expressway is designed to have a traffic volume of 38,000 vehicles day and night, with a standard axle load of BZZ100 on the road surface. All entrances and exits are controlled, and vehicles on and off are divided into lanes, supplemented by relatively complete facilities. The road land is 45 meters wide, and the pavement is mainly asphalt concrete, and part of it is cement concrete. The load standards of bridges and culverts are over 20 for automobiles and 120 for trailers, and the bridge deck is the same width as the road. The bridge adopts 2 independent bridges separated up and down. The headroom under the overpass is 4.50 meters. The design speed of the ramp is 40 kilometers per hour, the width of the roadbed is 9 meters, and the width of the roadway is 3.5 meters. There are 51 structures of various types on the whole line, with a total length of 3318.45 linear meters, accounting for 20.87% of the mileage of the whole line. Among the structures, the pedestrian crossing holes are of reinforced concrete frame structure, and the others are pile foundations and prestressed concrete simply supported beam structures.
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