/All You Need to Know About Using Bar Ties in Construction – Guide from Bar Ties Manufacturer

All You Need to Know About Using Bar Ties in Construction – Guide from Bar Ties Manufacturer

Modern infrastructure requires different types of concrete. A heavy mixture of cement, sand, gravel, and water sets with time to form the right foundation for construction. Using tie bars will ensure that the concrete construction of a project is properly supported and aligned. Used for ensuring sturdy construction, a tie bar is one of the major elements of concrete construction. It provides main support to the heavy concrete slabs using interlocking methods and these bars are applied for load distribution in the concrete infrastructure. Tie bars are basically deformed rebars or connectors used for holding the faces of rigid slabs in contact to maintain aggregate interlock. Tie bars are not load-transferring devices. For instance, tie bars are used in longitudinal joints at the mid-depth of concrete pavement. Generally, it is made of steel that has been coated with epoxy.

What is a Tie Bar?                       

The tie bar also called a connector, is a deformed, epoxy-coated steel bar used in concrete construction as reinforcement. To create an interlock and distribute weight efficiently, this type of bar is placed between rigid concrete slabs.

Tie bars are positioned at the mid-depth of longitudinal joints. Tie bars are usually made out of steel and are coated with epoxy to deform them. Tie beams have a diameter between 10-12mm. A tie bar’s spacing depends both on the pavement’s thickness and on the slab’s width. In general, the thickness of tie bars ranges between 550 mm and 640 mm. These are not load-transfer devices like dowel bars.

Benefits of Using Tie Bars in Construction:

  • Tie bars positioned and spaced properly prevent lane separation, differential slab settlement, and transverse cracking
  • Tie bars also reduce the cost of overall lifecycle repairs
  • Besides minimizing lane separation, settlement, and transverse cracking, tie bars also provide continuity and consistency across the entire slab by supporting the reinforcement mat
  • To keep concrete aggregates interlocked, tie bars keep the faces of rigid slabs in contact
  • It is used in plain jointed concrete pavements to connect two lanes and avoid separations and differential deflections
  • High stresses and high deflections can be alleviated by using tie bars
  • Tie bars are designed to handle tensile loads
  • For roads and pavements, tie bars are essential
  • A tie bar provides stability and reliability

Conclusion

Tie bars significantly improve the performance of pavement joints if properly designed and installed. In spite of their higher initial costs, tie bars decrease overall life cycle costs and ultimately extend the pavement’s lifespan.

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