PQC Lane

Pavement Quality Concrete (PQC):

Pavement Quality Concrete (PQC) is cement concrete made with large size aggregates in accordance with IRC specifications and laid over a dry lean concrete sub-base. This construction is used specifically for highway concrete pavements and for airport runway pavements as it can take heavy loads.

Construction of Cement Concrete Roads:

The steps in the construction of cement concrete roads are the following:

  • Preparation of subgrade/sub-base
  • Placing of formwork.
  • Batching of materials
  • Proportioning of the mix
  • Preparation of the mix
  • Transporting and laying the mix
  • Compaction
  • Joints
  • Screeding and finishing the surface
  • Curing
  • Opening of traffic