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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 ...
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.
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.
Mageba (stylised as mageba) is a civil engineering service provider [1] and manufacturer of bridge bearings, expansion joints, seismic protection and structural monitoring devices for the construction industry. [2] The company is headquartered in Bulach, Switzerland, and operates through offices in Europe, Americas and Asia Pacific. [3]
An expansion bearing on the Queen Elizabeth II Metro Bridge. A bridge bearing is a component of a bridge which typically provides a resting surface between bridge piers and the bridge deck . The purpose of a bearing is to allow controlled movement and thereby reduce the stresses involved.
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.
Also referred to as the Forte-Redinha Bridge, the main cable-stayed bridge is a prestressed concrete structure with a double plane of stay cables and conceived as an integral framed structure between the expansion joints. Piers, towers, deck main girders and stay cables lay in two parallel planes.
EN 1993-1-7: General rules - Strength and stability of planar plated structures subject to out of plane loading. EN 1993-1-8: Design of joints. EN 1993-1-9: Fatigue. EN 1993-1-10: Material toughness and through-thickness properties. EN 1993-1-11: Design of structures with tension components. EN 1993-1-12: General - High strength steels.