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剖面开放式桥梁和高架桥是一项能够最大限度地降低高速铁路对沿途的噪声影响以及对环境景观影响的创新设计。笔者主要论述了特殊截面预应力混凝土工程所面临的问题、760段预制梁段的制作及运输过程以及米兰至罗马铁路摩德纳段总长24 760m的单轨连续桥的施工。
Section Open bridges and viaducts are an innovative design that minimizes the impact of high-speed railways on the noise along the way and on the landscape. The author mainly discusses the problems faced by special cross-section prestressed concrete works, the production and transportation of prefabricated 760 sections and the construction of a monorail continuous bridge with a total length of 24 760 m from Modena section of Milan-Rome Railway.