某顺岸式栈桥码头泥沙淤积成因分析  

Causes of sediment deposition in alongshore trestle wharf

作　　者：宋晓军[1] 白志刚[2] 臧颖[2] 

机构地区：[1]中国石油化工股份有限公司镇海炼化分公司,浙江宁波315800 [2]天津大学建筑工程学院,天津300072

出　　处：《水运工程》2016年第4期60-67,共8页Port & Waterway Engineering

摘　　要：某顺岸式栈桥码头泊位改造后呈现淤积速度加快的状态,通过MIKE21建立二维潮流泥沙模型,模拟了泊位的潮流、泥沙淤积情况。潮流、悬沙量的模拟结果与实地测量结果验证良好。金塘水道所在海域潮流主要以往复流为主,金塘水道淤积的泥沙主要为"过路沙"。码头淤积的原因有地理位置和地形、泊位布置和走向、船舶停靠、临近电厂排水、码头桩基、后期的疏浚等,并通过数值模拟的方法详细分析了船舶停靠与否、临近电厂排水与否、码头桩基存在与否以及临近电厂取水区域地形深浅对于泊位淤积的影响。得出结论:码头设计和建设的不合理是淤积的主因。The sedimentation rate in an alongshore trestle wharf speeded up after the reconstruction, so a two -dimensional mathematical model was applied to study the current and sediment transport, and the simulated results of current and suspended sediment were verified by measured data on site. The tidal current of Jintang channel is mainly reciprocating flow and the sediment is from the outer waters instead of the coast. Possible causes include the geographic location and terrain, the arrangement and direction of berth, the mooring of ships, the discharge of an adjacent power plant, wharf pile foundation and dredging, etc. we also analyze the influences of berth deposition on conditions including whether ships dock or not, the adjacent power plant discharges or not, wharf pile foundation exists or not and the water depth of adjacent power plant＇s water intake area. It is concluded that the main cause is the unreasonable design and construction of the wharf.

关 键 词：顺岸式栈桥码头 潮流泥沙 淤积成因 数值模拟 

分 类 号：TV92[水利工程—水利水电工程]