Abstract: The?construction?of?a?large?number?of?river-crossing?bridges?makes?the?natural?reach?turn?into?the?bridge?location?reach.?The?fluvial?process?and?channel?regulation?of?bridge?location?reach?has?been?increasingly?focused.?Taking?Wuqiao?location?reach?as?the?research?object,?which?is?of?certain?representativeness,?the?features?of?its?fluvial?process?are?generally?summed?up?and?the?strategies?to?regulate?the?channel?are?also?discussed?by?the?model?test.?Finally,it?is?cleared?that?the?optimization?scheme?can?regulate?Wuqiao?reach?reasonably.

Key words: bridge location reach , fluvial process , channel regulation

摘要： 大量跨河桥梁的兴建,使得天然河段变成了桥位河段。桥位河段的河床演变及航道整治日益受到关注。以 具有一定的代表性的武桥河段的研究对象,概括性地分析了该河段的河床演变特征并通过模型试验探讨了其航道 整治方案,明确了采用优化方案是武桥河段较为合理的整治方案。

关键词: 桥位河段, 河床演变, 航道整治