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交通工程 ▲ 我首条超重型高速公路建成。近日,随着多项控制工程的相继完工,由中铁十八局五处等单位施工的宣大高速公路河北段主体宣告建成,我国第一条超重型高速公路通车在即。此路东起河北省宣化,西至山西省大同市,全长183.5公里。其中河北段长125公里,设计为双向4车道,时速120公里,投资约26亿元,于1997年5月开工。这条高速公路设计荷载高于普通高速公路标准,并采用混凝土路面,以适应该地区货流量较大、重型运输车辆为主的需要。今年9月,山西段已建成通车。目前,河北段正在加紧进行最后阶段的清理准备工作,全线有望年内通车。 ▲ 我国建筑规模最大的城市互通式立交桥的主体工程宣告完工。史家庄立交桥位于天津塘沽区黄海路,总投资5.2亿元,由开发区和塘沽区共同筹资兴建,该桥设计为三层苜蓿
Traffic Engineering ▲ My first super heavy highway was completed. Recently, with the completion of a number of control projects, the main section of Hebei section of Xuan Da Expressway constructed by five units of China Railway 18th Bureau and other units was completed and the first over-sized expressway in China was opened to traffic. This road east of Hebei Province, Xuanhua, Datong City, Shanxi Province, west, a total length of 183.5 kilometers. Hebei section length 125 kilometers, designed for two-way 4 lanes, speed 120 kilometers per hour, an investment of about 2.6 billion yuan, started in May 1997. The design load of this expressway is higher than the normal expressway standard and the concrete pavement is adopted to meet the needs of the large-volume heavy-duty transport vehicles in the area. In September this year, Shanxi section has been opened to traffic. At present, the Hebei section is stepping up preparations for the final stage of clean-up and is expected to open to traffic throughout the year. ▲ The main construction project of China's largest inter-city interchange has been completed. Shijiazhuang Overpass is located in Huanghai Road, Tanggu District, Tianjin with a total investment of 520 million yuan. It is co-funded by the Development Zone and Tanggu District. The bridge is designed as a three-layer alfalfa