南水北调与水利科技2011，Vol.9Issue(1)：50-52,133,4.DOI:10.3724/SP.J.1201.2011.01050
两种不同截面穿河涵洞对河床冲淤的试验研究
Experimental Study on the Impacts of Culverts Crossing the River with Two Different Sections on Riverbed Erosion and Deposition Deformation
张鸿清 1杨纪伟 1董彦超 1王志国1
作者信息
- 1. 河北工程大学,水电学院,河北,邯郸,056038
- 折叠
摘要
Abstract
In order to investigate the different impacts of arc-shaped cross-section and trapezoidal cross-section culvert crossing the river on upstream water level and riverbed deformation,a physical model test is used to measure water level along the river and riverbed erosion and deposition deformation near culverts. The results show that backwater in the upstream of the arc-shaped culvert is bigger than trapezoidal culvert,while local erosion and deposition of river bed is less than trapezoidal culvert. Particularly, the scour downstream trapezoidal culvert is much more serious than that downstream arc-shaped culvert when three-year return period flood is coming. Therefore, stilling basin downstream the culvert should be constructed according to the form of the culvert, and arc-shaped culvert is more appropriate than trapezoidal culvert in the Zhang River where the annual runoff is close to the three-year return period flood flow.关键词
截面形状/河道节点/涵洞/冲淤变形Key words
section shape/ river node/ culvert/ erosion and deposition deformation分类
建筑与水利引用本文复制引用
张鸿清,杨纪伟,董彦超,王志国..两种不同截面穿河涵洞对河床冲淤的试验研究[J].南水北调与水利科技,2011,9(1):50-52,133,4.
