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就小桥涵在高速公路中所发挥的作用,论述高速公路小桥涵与低等级公路在结构类型上的差 异,对洞口型式选择和在实际设计工作中应注意的问题进行探讨。
On the role of small bridges and culverts in expressways, this paper discusses the differences in structure types between small bridges and culverts and low-grade highways, and discusses the types of holes and problems that should be paid attention to in practical design.