miter gate

miter gate

[′mīd·ər ‚gāt]
(civil engineering)
Either of a pair of canal lock gates that swing out from the side walls and meet at an angle pointing toward the upper level.
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References in periodicals archive ?
Figures 1 and 2 show some particularly bad corrosion occurring in miter gate compartments that are normally above the water line.
The objectives of this project were to replace worn out miter gate machinery, all power distribution equipment, all wire and cable, all, instrumentation and controls, install a new SCADA system, upgrade/replace project lighting systems, move all electrical equipment above the 500-year flood level and abate all hazardous materials such as asbestos, lead, mercury and PCB's used in the original construction.
Unlike the current canal, which uses miter gates, the expanded canal will have steel rolling gates.
An unorthodox design feature was the use of miter gates at a double-track crossing that eliminated the need for a center post support.