Associating Concrete fuse plugs with PKWeirs
(ICOLD 25TH CONGRESS – STAVANGER(NORWAY))
F. Lempérière - J.-P. Vigny
(HydroCoop - France)
Van Phong PKW
(Binh Dinh Province, Vietnam)
…Associating PKWeirs and fuse plugs allows benefiting from the specific advantages of the two devices: those of the PKWeirs for the usual floods and those of the fuse plugs for the exceptional floods.
In comparison with a spillway including only PKWeirs, it is possible
8 either to increase by 60% the maximum discharge withoutmodifying the spillway length or the nappe depth,
8 or to reduce by 40% the spillway length without modifying the discharge or the nappe depth,
8 or to reduce by 1/3 the nappe depth without changing the spillway length or the discharge…
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