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  2. Tainter gate - Wikipedia

    en.wikipedia.org/wiki/Tainter_gate

    Tainter gates are usually controlled from above with a chain/gearbox/electric motor assembly. 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 ...

  3. Kissing gate - Wikipedia

    en.wikipedia.org/wiki/Kissing_gate

    A kissing gate is a gate that allows people, but not livestock, to pass through. The normal construction is a half-round, rectangular, trapezoidal or V-shaped part-enclosure with the free end of a hinged gate trapped between its arms. When the gate is touching an arm it must be pulled or pushed to pass through.

  4. Portcullis - Wikipedia

    en.wikipedia.org/wiki/Portcullis

    Portcullis at Desmond Castle, Adare, County Limerick, Ireland The inner portcullis of the Torre dell'Elefante in Cagliari, Sardinia, Italy A portcullis (from Old French porte coleice ' sliding gate ') is a heavy, vertically closing gate typically found in medieval fortifications. [1]

  5. Floodgate - Wikipedia

    en.wikipedia.org/wiki/Floodgate

    Tainter gates are a vertical design that rotates up to allow water to pass underneath. Low friction trunnion bearings, along with a face shape that balances hydrostatic forces, allow this design to close under its own weight as a safety feature. Tainter gate diagram: Tainter gates and spillway: Drum gates are hollow gate sections that float on ...

  6. Golden Gate Bridge - Wikipedia

    en.wikipedia.org/wiki/Golden_Gate_Bridge

    The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the one-mile-wide (1.6 km) strait connecting San Francisco Bay and the Pacific Ocean in California, United States.

  7. Phase-gate process - Wikipedia

    en.wikipedia.org/wiki/Phase-gate_process

    A phase-gate process (also referred to as a waterfall process) is a project management technique in which an initiative or project (e.g., new product development, software development, process improvement, business change) is divided into distinct stages or phases, separated by decision points (known as gates).

  8. Electric gate - Wikipedia

    en.wikipedia.org/wiki/Electric_gate

    Articulated gate openers can be used for gates with wide posts allowing opening in small spaces. [1] An easy system for DIY installers as they are simple to install but not as aesthetically pleasing as other motor designs.

  9. Gate - Wikipedia

    en.wikipedia.org/wiki/Gate

    Gate from Bucharest (Romania) Art Nouveau gate of Castel Béranger (Paris) Candi bentar, a typical Indonesian gate that is often found on the islands of Java and Bali. A gate or gateway is a point of entry to or from a space enclosed by walls. The word derived from old Norse "gat" [1] meaning road or path; But other terms include yett and port.

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