枢纽下游水位降落问题探讨  

Discussion on fall of level at the down reach of dams

作　　者：李华国[1] 

机构地区：[1]交通部天津水运工程科学研究所,天津300456

出　　处：《水道港口》2006年第4期217-222,共6页Journal of Waterway and Harbor

摘　　要：根据有关文献报道,对国内外部分已建枢纽坝下河床调整及水位降落情况进行了综述。分析了影响河床调整的主要因素以及河床调整与水位降落的关系,提出了防止水位降落影响通航水流条件的治理措施。Based on the reports of references review on the fall of level and regulation of fiver bed at the down stream of dams both at home and abroad is pefformed. The main factors influencing river bed regulation and relations between water level descent and fiver bed regulation are analyzed. And the measures to prevent the fall of level and to impfive the navigation conditions are proposed.

关 键 词：河床冲刷 水位降落 纵剖面调整 床沙粗化 

分 类 号：U641.1[交通运输工程—船舶及航道工程]