摘要
建立珠江三角洲一维河网潮流数学模型和工程附近二维潮流泥沙数学模型,分析了工程河段洪枯季水流运动特性,合理设计了极限冲刷计算的水文、泥沙、底质参数和相关条件,对陈村水道可能发生的极限冲刷进行了研究预测,根据计算结果对极限冲刷前后隧址附近河床断面、剖面、滩槽格局等形态变化进行了分析,对隧道埋深的合理性进行了评价。
1D stream model is made for the Pearl River delta networks and 2D stream-sediment model for engineering neighboring river.Engineering river current stream characteristic during flood and dry season has been analyzed , the conditions of limit scour , such as hydrology , sediment, sediment parameters and the other conditions , have been rationally designed .Besides, limit erosion that might happen in Chencun river has been forecasted .Based on the result , morphological changes of riverbed cross section , beach and slot situation after limit scour have been studied , and the rationality of burying deep for the tunnel has been estimated .
出处
《广东水利水电》
2014年第9期6-11,15,共7页
Guangdong Water Resources and Hydropower
关键词
极限冲刷
数学模型
隧道
陈村水道
limit scour
mathematical model
tunnel
Chencun River
