摘要
江河中无序的采砂活动对航道条件造成了不同程度的破坏,如何在采砂活动中规范采砂方式、保护航道条件,减小采砂对航道的影响至关重要。以曼厅大沙坝某采区为例,采用平均水深有限元水流运动二维数学模型,对原采砂方案进行优化研究。通过计算和比较,提出采前对原边滩进行加固保护、控制采挖高程以及调整采区平面尺度等优化工程措施。
Disorderly sand excavation activities in the river caused damages to the channel condition. It isessential to reduce the effects of sand excavation on the channel condition by regulating the way of sand excavationand protecting channel condition.Focusing on a sand excavation area of Manting Dashaba, and using average depthof two-dimensional finite element mathematical model, we optimize the original excavation scheme.In addition, somechannel protection measures such as building beach protection engineering before excavation, controlling excavationelevation and adjusting excavation area are given.
出处
《水运工程》
北大核心
2016年第8期106-111,共6页
Port & Waterway Engineering
关键词
江河采砂
航道条件
曼厅大沙坝
对策措施
river sand excavation
channel condition
Manting Dashaba
countermeasure
