Overflow spillway for dams, weirs and similar structures

Details Overflow spillway for dams, weirs and similar structures Overflow spillway for dams, weirs and similar structures

1990-12-14

1991-07-16

Corbin, David H.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405 90, 405111, 405114, E02B 722, E02B 806

Patent

active

050320386

ABSTRACT:
For the purpose of effecting a quasi-permanent raising of the normal water level of an impounded reservoir and thereby augmenting its storage capacity except during the passage of major floods, the invention consists of installing on the sill of the spillway a water level raising means comprising at least one heavy element, the said means or water level raising elements being capable of resisting the water loads when spilling moderate heads (for discharging the floods of shorter recurrence intervals) by virtue of their own weight but breaching by overturning at a predetermined head corresponding to a level not higher than a predetermined maximum water level in order to discharge larger floods.

REFERENCES:
patent: 565019 (1896-08-01), Newburg
patent: 972059 (1910-10-01), Clarke
patent: 2118535 (1938-05-01), Betts
patent: 2961731 (1960-11-01), Buzzell et al.
patent: 3342033 (1967-09-01), Crouch et al.
patent: 4650368 (1987-03-01), Bayer
patent: 4661014 (1987-04-01), Aubert

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