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  • This is done through the use of control joints and expansion joints
  • Control joints are cuts into the concrete or asphalt. The joints are cut into the structure at regular intervals allow cracking to occur in a controlled fashion. Road control joints can be sealed with hot tar or rubber
  • Expansion joints are designed to allow for continuous traffic between structures accommodating movement, shrinkage, temperature variations on reinforced and pre-stressed concrete, composite and steel structures.
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Q: How do you deal with expansion in bridges and railway lines?
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