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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.
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 ...
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.
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.
The standards are a combination of a variety of expansion joint manufacturers' knowledge and experience. [2] [3] The EJMA organization performs extensive technical research on a variety of topics concerning the design and manufacturing of expansion joints. [4] This knowledge contributes to providing new versions of the EJMA book of standards.
The Thousand Islands Bridge system: Maintained by: Thousand Islands Bridge Authority: Characteristics; Design: suspension, open-spandrel deck arch bridge & truss bridge [1] Total length: Total: 8.5 mi (13.7 km) Longest span: American suspension: 800 ft (240 m) Canadian suspension: 750 ft (230 m) Canadian truss: 600 ft (180 m) Clearance below
Slip joints are common under conditions where temperature changes can cause expansion and contraction that may overstress a structure. These are generally referred to as expansion joints . Bridges and overpasses frequently have sliding joints that allow a deck to move relative to piers or abutments.
Modular Bridge Expansion Joint is used to prevent buildings or bridges appear some cracks because of climate change. Construction programs of Rubber Bridge Expansion Joints: (1) Set out and cut Modular Bridge Expansion Joint. (2) Excavate and clean the Modular Bridge Expansion Joint area. (3) Drill holes to locate the anchor bolts. (4) Place ...