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A critical factor in
Tainter gate design is the amount of stress transferred from the skinplate through the radial arms and to the trunnion, with calculations pertaining to the resulting friction encountered when raising or lowering the gate. Some older systems have had to be modified to allow for
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Pressure forces on a submerged body act perpendicular to the body's surface. The design of the
Tainter gate results in every pressure force acting through the centre of the imaginary circle of which the gate is a section, so that all resulting pressure force acts through the
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When a
Tainter gate is closed, water bears on the convex (upstream) side. When the gate is rotated, the rush of water passing under the gate helps to open and close the gate. The rounded face, long radial arms and
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with the curved part of the piece facing the source or upper pool of water and the tip pointing toward the destination or lower pool. The curved face or skinplate of the gate takes the form of a wedge section of
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arms, extend back from each end of the cylinder section and meet at a trunnion which serves as a pivot point when the gate rotates.
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allow it to close with less effort than a flat gate. Tainter gates are usually controlled from above with a chain/gearbox/
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basin has 195. A Tainter gate is also used to divert the flow of water to San
Fernando Power Plant on the
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which the original design did not anticipate. In 1995, too much stress during an opening resulted in a
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The
Tainter gate is used in water control dams and locks worldwide. The
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Tainter gate being constructed, in 1936, on the upper
Mississippi River,
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99:, invented the gate in 1886 for use on the company's dam that forms
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Side view cut-away diagram of the radial arm of the
Tainter gate,
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to control water flow. It is named for its inventor, the
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of the gate, making construction and design easier.
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Tainter Gate on the
Housatonic River in Connecticut.
111:A side view of a Tainter gate resembles a slice of
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35:Tainter gate from the back, or spillway, on the
51:(Onalaska Dam), La Crescent, Minnesota (USACE)
120:. The straight sides of the pie shape, the
173:basin alone has 321 Tainter gates, and the
282:"Tuttle Creek Dam Spillway Tainter Gates"
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289:Corps of Engineers, Kansas City District
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95:Tainter, an employee of the lumber firm
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27:, Snake River, Pasco, Washington (USACE)
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257:Providence RI Dept. of Public Works
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239:Dunn County Historical Society
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253:"Fox Point Hurricane Barrier"
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16:Type of radial arm floodgate
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291:. June 2001. Archived from
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39:, Boydton, Virginia (USACE)
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159:gate failure at Folsom Dam
161:in northern California.
90:Jeremiah Burnham Tainter
70:is a type of radial arm
171:Upper Mississippi River
323:Structural engineering
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103:in the United States.
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198:Louisville, Kentucky
179:Los Angeles Aqueduct
97:Knapp, Stout and Co.
87:structural engineer
235:"The Tainter Gate"
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49:Lock and Dam No. 7
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155:frictional forces
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259:. Archived from
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188:Tainter gate at
37:John H. Kerr Dam
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343:Flood barriers
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175:Columbia River
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147:electric motor
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25:Ice Harbor Dam
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298:on 2005-12-17
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263:on 2006-03-24
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60:Stevenson Dam
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300:. Retrieved
293:the original
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265:. Retrieved
261:the original
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190:McAlpine Dam
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101:Lake Menomin
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68:Tainter gate
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135:pivot point
107:Description
80:canal locks
317:Categories
302:2006-04-14
267:2006-04-14
216:References
210:Roller dam
194:Ohio River
149:assembly.
338:Hydrology
128:Principle
84:Wisconsin
72:floodgate
204:See also
143:bearings
122:trunnion
118:cylinder
74:used in
328:Canals
296:(PDF)
285:(PDF)
333:Dams
78:and
76:dams
66:The
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165:Use
113:pie
319::
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224:^
196:,
192:,
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