FAQ - What will change with the implementation of the Eurocodes?

The way of calculating the strength of trusses and structures made from truss.

What will change for Prolyte users?
Not so much in practice, the loading tables have changed slightly.
As before, for each structure build, you need to be able to show a static calculation, according to the current applicable standard.

What will change in the way (truss) structures are calculated?
Persons in charge of calculating (truss) structures need to carry out these calculations according to Eurocode 1 and 9.
Here we find significant changes between the old principle of Allowable Stress Design (ASD) and the new principle of Load Resistance Factor Design (LRFD).

Does this mean that users will need a static calculation for their structures after the implementation of the Eurocodes?
Yes, as a general rule, all structures need static calculations.
But this is not a change – this rule already applied before the implementation of the Eurocodes.

What about the new factors of safety?
Trusses and structures used to be calculated according to DIN 4113.
In this standard the factors of safety have been inherent in the given allowable material stresses.
Trusses and structures calculated according to the Eurocodes are subject to some changes. The factors of safety are split to the “material side” and the “load side”.
This offers the opportunity for structural engineers to use different factors of safety for different loading situations on the “load side”.

What can I expect from Prolyte?
All loading tables for Prolyte trusses are calculated by independent structural engineers and verified by TÜV.

Where can I find the new certifications and loading tables?
TÜV certificates
Prolyte manufacturing certificates
Loading tables can be found at the truss detail pages


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Laurynas Paškevicius Stage Technical Service, Lithuania