Systems for water control gate anchoring
OwnerHenry K. Obermeyerinventor
Life of this patent
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Abstract
The present invention relates to inflatable bladder actuated water control gates for control of open channels such as rivers and canals and for control of dam spillways without the need for intermediate piers. The air bladder and hinge flap wedge clamping system includes hinged engagement of the upstream edge of the clamps to the foundation so as to prevent the application of bending and shear loads to the anchor bolts. The resulting configuration facilitates the use of high strength alloy steel anchor bolts in a corrosion protected environment and also prevents tensile loading of the concrete foundation and associated cracking of the concrete foundation.
Claims20
A water control gate clamping system comprising:
- a foundation,
- a water control gate clamp casting that comprises a downstream end with a downstream edge, and an upstream end with a downwardly protruding upstream edge,
- an anchor bolt hole through said clamp casting, and
- an anchor bolt and nut assembly that comprises an anchor bolt and a nut,
- wherein said downwardly protracting upstream edge of said clamp casting exhibits a rounded profile and is in hinged engagement with said foundation so as to provide substantially all restraint against horizontal, downstream motion of said clamp casting while still allowing hinged motion of said clamp casting, and
- wherein said anchor bolt hole is relieved so as to provide clearance between said clamp casting and said anchor bolt through a possible range of said hinged motion of said clamp casting.
Dependencies are inferred from the claim text.