摘要
拦砂坝后回淤坡度影响拦砂坝的最大拦蓄量,是评价拦蓄库容的一个重要参数。通过水槽模拟试验,研究拦砂坝后黏性泥石流的回淤坡度。试验结果表明:(1)回淤坡度随沟床坡度增加而增加,二者呈正相关关系;(2)回淤坡度随着坝高的增加而减小,二者呈负相关关系;(3)回淤坡度与沟床坡度和坝高三者也呈线性相关关系。
The gradient of intercepted sediments of check dam can affect the maximum storage dams,and is an important parameter to evaluate the storage capacity. The sedimentation gradient of viscous debris flow behind a check dam is studied by flume simulation test. The experimental results show that：（1） The gradient of intercepted sediments increases with the increase of slope of the gully bed,and the two are positive correlation;（2） The gradient of intercepted sediments decreases with the increase of the dam height,and the two are negative correlation;（3） There is also a linear correlation between the sedimentation gradient and the slope of the gully bed and the dam height.
作者
赵静静
崔佳慧
关辉
陈兴长
ZHAO Jingjing;CUI Jiahui;GUAN Hui;CHEN Xingzhang(School of Environment arid Resources,Southwest University of Science arid Technology,Mianyang 621010,Sichuan,China)
出处
《西南科技大学学报》
CAS
2018年第2期37-40,共4页
Journal of Southwest University of Science and Technology
基金
国家自然科学基金项目(41372301)
西南科技大学研究生创新基金资助17ycx046
关键词
泥石流
拦砂坝
回淤坡度
Debris flow
Check dam
Gradient of intercepted sediments
