重力拱壩
外觀
![](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a6/Hoover-dam-contour-map.jpg/220px-Hoover-dam-contour-map.jpg)
重力拱壩是一類大壩。在水平面為拱壩,向上游迎水面凸出,把水壓通過壩體承壓傳導給左右壩肩基岩。[1]重力拱壩比重力壩更薄。[2]壩體承受的荷載大部分借懸臂樑的作用傳給壩基;小部分借拱的作用傳給兩岸。[3]拱的作用較小,故壩底厚度一般為壩高的35%~60%。[4][5][6]
![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b2/Hoover_dam_from_air.jpg/220px-Hoover_dam_from_air.jpg)
參考文獻
[編輯]- ^ Luis E. Plaza. Dam Safety: Proceedings of the International Symposium on New Trends. Taylor and Francis. 1998: 425. ISBN 90-5410-974-2.
- ^ Arch Gravity dam. U.S. Bureau of Reclamation. [2007-12-27]. (原始內容存檔於2007-12-25).
- ^ Glossary onf Engineering Words - Gravity dam. pbs.org. [2007-12-28]. (原始內容存檔於30 December 2007).
- ^ Dam Basics. pbs.org. [2007-12-27]. (原始內容存檔於3 December 2007).
- ^ Dams - Types and Considerations. quest.arc.nasa.gov. [2007-12-29].[失效連結]
- ^ Donald C. Jackson. Great American Bridges and Dams. Wiley.com. 1988: 48 [2007-12-29]. ISBN 978-0-471-14385-7. (原始內容存檔於2014-07-15).