Arch weight wall

Hoover Dam

An arch weight dam or arch weight dam is a design for the barrier structure of a dam . It is a mixture of a gravity dam and an arch dam . Some of the loads are carried by the arch effect, the rest by the cantilever effect of the wall. The necessary contact area is smaller than that of a gravity dam. The advantages compared to a gravity dam are the lower concrete volume and compared to an arch dam, the lower load on the valley flanks and the lower effect of shrinkage of the concrete.

Walls that are designed as arched dams in the lower part and on which a weight dam is placed at the top (as with the Okertalsperre ), or vice versa, count as arch weight dams . Such shapes occur when the valley shape makes it suitable.

Examples

Okertalsperre (Germany)

Zervreila (Switzerland)

Spitallamm on the Grimselsee , at 114 m high when completed in 1932, it was the highest dam in the world

Schlegeis reservoir (Austria)

Karakaya Dam (Turkey)

Hoover Dam (Boulder Dam) (USA)

The Sajano-Schuschensk Reservoir has the highest weight arch dam at 242 m.

Glen Canyon Dam Arizona; USA (Grand Canyon)

Web links

Commons : Arch weight wall - collection of images, videos and audio files

Individual evidence

↑ ^a ^b Peter Rißler: dam practice. Oldenbourg Verlag, Munich 1999, pp. 90-92.
↑ Hans Fankhauser: The gradual expansion of the water power of the Oberhasli before 1970 . In: Schweizerische Bauzeitung . 1979, doi : 10.5169 / SEALS-85442 .

[Rißler-1] Peter Rißler: dam practice. Oldenbourg Verlag, Munich 1999, pp. 90-92.

[:0-2] Hans Fankhauser: The gradual expansion of the water power of the Oberhasli before 1970 . In: Schweizerische Bauzeitung . 1979, doi : 10.5169 / SEALS-85442 .