Expansion joints

Expansion joints are crucial components in structures like buildings, bridges, and pipelines. They’re designed to absorb movement caused by temperature variations, seismic activity, or settling, preventing damage from stress. These joints consist of flexible material inserted between sections to accommodate expansion and contraction. Common types include:

  1. Rubber Expansion Joints: Utilize rubber or elastomeric material, suitable for absorbing small to moderate movements in various applications.

  2. Metallic Expansion Joints: Employ metal bellows to handle high-pressure and high-temperature conditions, commonly found in industrial piping systems.

  3. Fabric Expansion Joints: Made from fabric-reinforced elastomers or other flexible materials, suitable for low-pressure applications and large movements.

  4. Modular Expansion Joints: Comprise multiple sections, allowing flexibility in accommodating movements in different directions.

Regular maintenance and inspection are essential to ensure expansion joints continue to function effectively, preventing structural damage and ensuring safety.

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