Loading pallets in 2 tiers with protective shields

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Loading pallets in 2 tiers with protective shields

Challenge
Sometimes it is necessary to optimally place more pallets than can fit on the floor area in the truck body. The solution is to place the pallets on top of each other in 2 tiers. The installation must be stable, concentrated and often secured by shields on one or both sides.

For pallets loaded in 2 or more tiers, a new parameter “Front rest area” was introduced. When installing the pallet above the floor, the area of its front face (side) and its part, which abuts on the upstream pallets, are calculated. The ratio cannot be less than a given parameter, for example, 30%. As a result, prepared loading schemes prevent the displacement of cargo while braking.

It is possible to set additional load securing fixtures and structures, such as shields, to prevent displacement. The algorithm determines their optimal location and builds the second tier of loads accordingly. It is especially useful for goods of approximately equal height. The parameter “Front rest area” works for any loading algorithm available in TruckLoader. For example, algorithms prioritizing axial balance or cargo volume.

More sophisticated constraints can optionally be applied for loading pallets in 2 tiers:

  • pallets loaded in 2 tiers have to be surrounded by protective shields on both sides;
  • restriction on the number of pallets in a row that are between the shields, the requirement for the rows of pallets to be adjacent to the sides of semi-trailer;
  • protective shields must be supported by at least two rows of pallets;
  • first and second tier pallets must have the same base dimensions;
  • the requirement to place lighter pallets on heavier ones;
  • avoid shields to rest on pallets of imperfect form.

The figures below show examples of loads with imperfect form highlighted in red that are not allowed to support shields.

The result is estimated using a special mode of the Balance algorithm applied to Pallets template.

Conclusion:
TruckLoader allows finding the load balance on the axles, even in cases where the pallets have to be installed in 2 tiers. To secure the installation, many loading constraints can be applied along with the special blocking equipment, such as protective shields.

Below is a demonstration of pallets loading in 2 tiers secured by protective shields: