大凌河干流原点河道治理工程堤防设计方案分析

The dike design scheme of the origin regulation project in the main stream of Daling River

为保证喀左县城及沿河乡镇企事业单位、农田及人民群众生命财产安全,对大凌河南支与西支交汇点处修建提防,分别从堤防布置方案选择、堤型结构设计比较、筑堤材料选择、堤顶高程的确定、堤脚冲刷深度、护坡厚度计算、渗流稳定计算、堤身抗滑稳定计算方面进行了分析,按照堤防相关规范计算得出堤防施工后可以满足设计防洪标准并留有足够的安全系数,为喀左县社会经济稳定与发展提供有力保障。

In order to ensure the safety of life and property of Kazuo County,township enterprises and institutions along the river,farmland and the people,it is necessary to take precautions at the intersection of the South Branch and the West Branch of Daling River,including the selection of dike layout scheme,the design comparison of dike type structure,the selection of dike materials,the determination of dike top elevation,the scouring depth of dike foot,the calculation of revetment thickness,the calculation of seepage stability and the calculation of dike anti sliding stability Based on the analysis,the dike construction can meet the design flood control standard and leave enough safety coefficient,ensure the normal production and life of the people along the river during the flood season,provide strong guarantee for the social and economic stability and development of Kazuo County.