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ยฉ IDEA StatiCa 2009-2026

Trusted and used worldwide by engineers, fabricators & consultants.

Support CenterKnowledge Base ArticlesThrough bolts for hollow sections warning
How to set position of bolts
How to define preloaded bolts
Bolts and preloaded bolts connections
Prying and high tension force in bolts
Autodesign of bolts
Steel pins
Slotted holes for the selected plate
Distance between plates connected by a contact
Limitations of through bolts and hollow sections
Through bolts for hollow sections warning
Advanced anchoring design and anchors in Connection
Through long bolts for hollow sections warning
SteelConnection designKnowledge baseConnectionEN (Eurocode)

Through bolts for hollow sections warning

This article is also available in
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There is a warning regarding the analysis of through bolts for hollow sections (e.g. RHS). Both Bearing and Friction types of bolts in IDEA StatiCa applications are considered in the CBFEM analysis as nonlinear springs.

For this reason, analysis of through bolts is not accurate and those should be avoided in the model for code-checking connections and as member details. Through bolts should be modeled as solid pins, which is not yet a supported feature in IDEA StatiCa. Read more about bolts in the article Bolts and preloaded bolts.

Bolts are considered as through bolts for bolted connections with a gap between any connected plates greater than the tolerance limit of 3 mm.

For bolts with such a gap whose type is Friction - analysis can not run and a message is displayed in the 3D window with the name of the operation and the explanation.

For bolts with such a gap whose type is Bearing - tension/shear - there is a note in the report stating the results may not be accurate.

This update has been available since the 21.1.2 patch.

Available in both Expert andย Enhancedย editions ofย IDEA StatiCa Steel.

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