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高速公路的拓宽 ,新老梁板纵向拼接缝处理是设计与施工上的技术难题之一 ,结合沪杭甬高速公路一期拓宽工程 ,介绍新老梁板纵向拼接缝设计与施工的情况
The widening of expressways and the longitudinal splicing of new and old slab beams are one of the technical problems in design and construction. Combining with the first phase of Shanghai-Hangzhou-Ningbo Expressway expansion project, the design and construction of longitudinal splicing joints between new and old girders