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  2. Expansion joint - Wikipedia

    en.wikipedia.org/wiki/Expansion_joint

    An expansion joint is designed to allow deflection in the axial (compressive), lateral (shear), or angular (bending) deflections. Expansion joints can be non-metallic or metallic (often called bellows type). Non-metallic can be a single ply of rubberized material or a composite made of multiple layers of heat and erosion resistant flexible ...

  3. Pin and hanger assembly - Wikipedia

    en.wikipedia.org/wiki/Pin_and_hanger_assembly

    Pin and hanger assembly. A pin and hanger assembly is used to connect two plate girders of a bridge.These assemblies are used to provide an expansion joint in the bridge. One beam (the anchor span) is set on a pier with a short section cantilevered out toward the next pier.

  4. List of most expensive U.S. public works projects - Wikipedia

    en.wikipedia.org/wiki/List_of_most_expensive_U.S...

    Hampton Roads Bridge–Tunnel, Hampton Roads, Virginia: 2001–2007 $3.6 billion [8] Central Texas Turnpike, area around Austin, Texas: 2003–2008 $1.5 billion 2001 $2.8 billion (2008) [9] [10] $3.1 billion I-10 Katy Freeway Expansion (Interstate 10 in Texas) 2007–2011 $2.57 billion [11] Intercounty Connector, Montgomery County, Maryland ...

  5. Integral bridge - Wikipedia

    en.wikipedia.org/wiki/Integral_bridge

    The omission of the expansion joint removes a pathway for the penetration of chloride-bearing road salts to the bridge's sub-structure. In the United Kingdom there is a presumption that most new short to medium length bridges will be of the integral type. [citation needed] An early example of an integral bridge is masonry arch bridge.

  6. Breather switch - Wikipedia

    en.wikipedia.org/wiki/Breather_switch

    A breather switch, expansion joint, or adjustment switch is an intentional gap in railway tracks to allow for thermal expansion in long sections of otherwise unbroken rail. . They are placed between very long sections of continuous welded rail or at the transition from continuous welded rail to jointed track, and commonly in the vicinity of bridges, viaducts and tunnels where the ...

  7. US Bellows - Wikipedia

    en.wikipedia.org/wiki/US_Bellows

    U.S. Bellows, Inc. provides a variety of expansion joints for piping and duct systems [2] and has been a member of the Expansion Joint Manufacturers Association, Inc. since 2002. [3] In December 2011, U.S. Bellows acquired all bellows assets of the former Lortz Manufacturing companies, doubling its manufacturing capabilities. [4]

  8. Plate girder bridge - Wikipedia

    en.wikipedia.org/wiki/Plate_girder_bridge

    In a plate girder bridge, the plate girders are typically I-beams made up from separate structural steel plates (rather than rolled as a single cross-section), which are welded or, in older bridges, bolted or riveted together to form the vertical web and horizontal flanges of the beam. In some cases, the plate girders may be formed in a Z-shape ...

  9. Metal expansion joint - Wikipedia

    en.wikipedia.org/wiki/Metal_expansion_joint

    They are differentiated according to the three basic types of movement: axial, angular and lateral expansion joints. Expansion joints have usage in various sectors, like energy production, paper industry, chemical industry, water treatment, oil and gas. Expansion joints can be used wherever thermal movements or vibration occurs in pipelines.

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