Abstract: Combine?with?the?practical?engineering?example,?the?navigation?flow?conditions?before?and?after?the?wharf?construction?are?analyzed?by?plane?two?dimensional?numerical?models.?Through?the?calculation?and?analysis?of?water?surface?profile?and?flow?field?before?and?after?the?wharf?construction,?it?is?indicated?that?the?wharf?engineering?occupies?a?small?discharge?area?and?has?a?little?impact?on?the?range?of?the?flow?field;the?engineering?has?little?influence?on?the?navigation?and?the?fluvial?process,?which?verifies?the?feasibility?of?the?wharf?construction

Key words: waterway , wharf , numerical model , flow conditions

摘要： 结合工程实例,采用平面二维水流数学模型,分析了码头修建前后的通航水流条件。通过工程前后水面线和 流场的计算分析,表明码头工程占据河道过水面积很小,流场影响范围不大,工程对通航及河床演变基本无影响, 论证了码头修建的可行性。

关键词: 航道, 码头, 数学模型, 水流条件