Your encyclopedia of terms used in the industrial flooring industry.

Large Area Construction – Jointed

Summary

Large Area Construction – Jointed - Large floors up to several thousand square metres in area can be laid in a continuous operation.

Technical Information

Large Area Construction

Large floors up to several thousand square metres in area can be laid in a continuous operation. Concrete is discharged straight from the concrete truck into the floor area and spread using the laser screed. The laser screed works across the floor area in 4-5m widths.

Formed free-movement joints are used at the edges of each pour or large area which are typically 30m apart.

Over such large areas, it is not possible to control the surface regularity in relation to fixed formwork or joint and so there are limitations on the accuracy that can be achieved. This type of construction is typically suited to free movement areas. However to achieve defined movement specification floors additional grinding may be required using equipment such as the Laser Grinder®.

After the floor has been laid and finished, it is divided into panels by sawn restrained-movement joints to relieve shrinkage-induced stresses, typically on a 6m grid in both directions.

Related Definitions

Overslab , In Floor Heating Systems , Post Tensioned Floors , Pour , Two Layer Construction

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The CoGri Group, a leading international specialist in concrete flooring, with offices on every continent throughout the world.

The CoGri Group, a leading international specialist in concrete flooring, with offices on every continent throughout the world

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