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我国第一座预应力混凝土独塔单索面斜拉桥——上海恒丰路立交桥已于1987年9月30日竣工。这是一座按特定环境设计的立交桥。上海市市政工程设计院的设计者把根据上海新客站建桥地区地域不能扩展、15条铁路干线位置基本照旧的规定要求和上海市市政一公司的工程技术人员合作,经过实地勘察规划,改
China’s first prestressed concrete single tower single cable plane cable-stayed bridge - Shanghai Hengfeng Road overpass was completed in September 30, 1987. This is a special designed overpass. Shanghai Municipal Engineering Design Institute of the designer under the Shanghai New Passenger Station Bridge area can not be extended, the basic position of 15 railway lines as required by the provisions of the Shanghai Municipal Engineering and Technical Company a company, through field investigation and planning, change