宁江松花江特大桥平面布置试验研究

Study on layout test for Ningjiang Songhua river supper-large bridge

文中通过河工模型试验,对宁江松花江特大桥桥位河段的水力和泥沙特性进行了研究,并在此基础上提出了两套桥位河段的整治方案,避免了该工程的建设对河道行洪、通航和河道演变造成不利影响。文中对两套整治方案进行了分析比较,最终推荐整治后的方案二作为工程方案。

Through the river model test,the paper studies the characteristics of hydraulic and sediment at location section of Ningjiang Songhua river supper-large bridge.Based on the study,the paper provides improvement scheme for location section,avoids the adverse effects on flood propagation,navigation and river channel evolution.