【摘要】 文章以歙许公路凤凰村河段丁坝基础冲刷防护试验示范工程为例 ,对布设和修筑的丁坝基础冲刷防护试验示范工程进行原型观测和实测资料的分析研究。通过原型观测资料的分析和洪水后现场冲刷地形的测量 ,应用丁坝基础冲刷防护措施研究成果和计算模式 ,比较基础冲刷最大冲深的计算值和实测值 ,结果表明两者基本吻合 ,防护效果十分显著 ,尤其是采用平台加齿坎的基础防护措施 ,减冲深度达 2 5 .0 5 %～ 44.2 1% ,效果更为显著 ,可在工程中推广应用。更多还原

【Abstract】 In this paper, the scour prevention prototype project of spur dike foundation along Shexian Xucun Highway at Fenghuang Village Section of Fuzi River which belongs to the Xin’anjiang River System is taken as an example to make a study of the layout and building of such prevention project.The observation data of the archetype and the scour topography measured on spot after the flood are analyzed. The maximum scouring depth of the foundation is calculated based on the results of the hydraulic model experiment and compared with the in situ observation data.The calculated results agree well with the in situ data, and by adopting the prevention measure of the foundation of dais with tooth dike, the reduction degree of the scouring depth is in the range of 25.05%～44.21%,which shows good prevention effect. It is considered that the scour prevention measure of the foundation of dais with tooth dike is worth using widely in such engineering.更多还原