引桥【approach span】指的是位于主桥两端、代替高路堤的桥梁跨段。
The north approach bridge’s 40 m cast-in-place box beam is designed to have the minimum radius of 420 metres and the maximum transverse slope of 5% for Liaohe super large bridge which is located mostly on a soft foundation.
辽河特大桥北引桥40 m跨现浇箱梁设计平曲线最小半径为420 m,最大横坡为5%,基础多处于滩涂、水塘等软基地带。
参考来源 - 钢管桩支架在小半径大横坡现浇箱梁施工中的应用The structure of simply supported-continuous system is now common used in small span bridges and bridge approach of large span.
简支转预应力连续的施工方法是中、小跨径桥梁和大跨度桥梁的引桥中普遍采用的结构型式。
参考来源 - 简支转预应力连续梁桥分析与试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
该引桥坡道是双层公路桥。
大位移伸缩缝是连接主桥与引桥的伸缩装置。
The large displacement expansion joint is an expansion device between the main bridge and the approach.
如果设计中考虑高架引桥，则引桥的桥墩可用来锚定后拉索。
If viaduct approach spans are considered then perhaps the approach piers could be used to anchor the backstays.
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