| 摘要 |
FIELD: hydraulic structures, particularly culvert spillaways to discharge flood water. ^ SUBSTANCE: spillaway comprises main tube with inlet and outlet heads. Main tube, inlet and outlet heads are formed of equal-diameter tubes. Main tube is provided with compensating hinges arranged in areas of inclination and outer load change. Main tube also has unit to connect spillaway tube with impervious member of the dam. Inlet and outlet heads are closed with caps from ends thereof and have slot-like water inlet and outlet orifices. Outlet head tube of the spillaway is laid above low water level in lower pool. ^ EFFECT: increased operational convenience and reduced construction and operational costs. ^ 2 dwg |
