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  2. Anti-slip grating - Wikipedia

    en.wikipedia.org/wiki/Anti-slip_grating

    Riveted bar grating is where the load bars are riveted to the cross bars. There are wide varieties of trade names for each type manufactured. Perforated sheet metal types: Diamond-shaped serrated perforated sheet metal. Examples of trade names are Grip Strut, Diamond Grip, Ry, Diamond, Grip Span, Deck Span, Grip Track. Round hole perforated ...

  3. Deck (bridge) - Wikipedia

    en.wikipedia.org/wiki/Deck_(bridge)

    A grid deck uses beams and diaphragms as the supporting structure. The supporting system of a grid deck is analyzed using a grillage analysis. A slab deck is one where the deck is analyzed as a plate. If the slab has a stiffness that is different in two directions (at right angles), then the deck is known and analyzed as an orthotropic deck.

  4. Mathews Bridge - Wikipedia

    en.wikipedia.org/wiki/Mathews_Bridge

    In 2007, the bridge underwent a $12.9 million deck replacement project to replace the open grating over the center span with a concrete riding surface, and has since been reopened for public use. [4] In the early afternoon on September 26, 2013, the Military Sealift Command ship USNS 1st. Lt. Harry L. Martin collided with the center span of the ...

  5. Grating - Wikipedia

    en.wikipedia.org/wiki/Grating

    The grating profile is the function of the reflectance or transmittance perpendicular to the lines. This function is generally a square wave, in that every transition between lines is abrupt. A grating can be defined by six parameters: Spatial frequency is the number of cycles occupying a particular distance (e.g. 10 line pairs per millimeter ...

  6. Timeline of three longest supported deck arch bridge spans

    en.wikipedia.org/wiki/Timeline_of_three_longest...

    New River Gorge Bridge has the longest free span of all deck arch bridges: 518 m. This is the timeline of the 3 longest supported deck arch bridge spans in the world, where the road deck lies on top of the arch. The deck is supported by columns, truss, rubble or lies directly on the arch. These bridges are often found in narrow valleys.

  7. Tappan Zee Bridge deck components will become part of two ...

    www.aol.com/tappan-zee-bridge-deck-components...

    Recycled deck panels from the iconic Tappan Zee, demolished in 2017, will be used to rebuild two spans in upstate Steuben County. ... components of the iconic bridge — opened in December 1955 ...

  8. Medium Girder Bridge - Wikipedia

    en.wikipedia.org/wiki/Medium_Girder_Bridge

    The primary components of the MGB system are rectangular "top deck" segments, and triangular bracing "bottom deck" segments. All segments are man portable. Short/low load bridges can be constructed using just top deck components. Bracing with the additional lower deck dramatically strengthens the bridge allowing heavier loads and longer spans.

  9. Stressed ribbon bridge - Wikipedia

    en.wikipedia.org/wiki/Stressed_ribbon_bridge

    The suspension cables are embedded in the deck, which follows a catenary arc between supports. As with a simple suspension bridge, the weight is taken by the suspension cables, but unlike the simple span, the deck or ribbon is stressed in compression, which adds to the stiffness of the structure (simple suspension spans tend to sway and bounce).

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