I Don't Know And I Don't Really Care
I Don't Know And I Don't Really Care
yes, that is why they put expansion joints on bridges. (: your welcomeyes, that is why they put expansion joints on bridges. (: your welcome
The space at the joints is there to allow for expansion and contraction of the length of the bridge depending on the temperature.
Bridges are designed with a space at one end and rollers which can move to allow for expansion and contraction of the metal.
bridges
William Michael Moore has written: 'A survey of distress and debris in the joints of pan-formed concrete bridges' -- subject(s): Concrete Bridges, Floors, Joints, Maintenance and repair 'Debris removal from concrete bridge deck joints' -- subject(s): Concrete Bridges, Floors, Joints, Maintenance and repair 'A technique for measuring the displacement vector throughout the body of a pavement structure subjected to cyclic loading' -- subject(s): Live loads, Pavements, Testing
C. W. Roeder has written: 'Fatigue cracking in modular expansion joints' -- subject(s): Bridges, Expansion joints, Floors, Joints, Maintenance and repair 'Low temperature behavior and acceptance criteria for elastomeric bridge bearings' -- subject(s): Bearings, Bridges, Elastomers, Materials, Nonmetallic bearings, Testing
The joints are essential to maintain the structural integrity of the bridges components throughout temperature ranges. Heat expands the structures and cold contracts. Without expansion joints the bridges overall life would be greatly reduced and cracks and tears could rapidly develop, making the bridge less safe.
- MRT and Railway tracksif a continuous track of metal is used, it will expand in hot weather and bent. trains running on bent tracks may be derailed. to prevent this, railway tracks are laid in sections with expansion gaps between them. A sliding joint between adjoining rails allows them to expand without bending.- bridgesboth concrete and steel bridges are built with allowance for expansion and contraction due to changes in the surrounding temperatures. Rollers and sliding joints allow for the movements of the bridges as it expands and contracts
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Interlocking metal joints on bridges, often referred to as expansion joints, are critical components that allow for the movement and flexibility of the bridge structure. These joints accommodate thermal expansion and contraction, as well as other forces such as wind and seismic activity, preventing stress and potential damage to the bridge. They typically consist of metal plates and connectors that interlock to create a seamless transition between bridge sections, ensuring both structural integrity and safety.
Because bridges expand and contract with the change in temperature. The expansion joints allow the bridge to 'flex' as the temoerature rises and falls, ensuring the structure doesn't buckle or collapse.