Nominally pinned joints are capable of transmitting internal forces without developing significant moments, and capable of accepting the resulting reactions under the design load.
Rigid & full strength joints have sufficient rotational stiffness to justify analysis based on full continuity.
Semi-rigid joints lie somewhere between ‘nominally pinned’ and ‘rigid’.

00:00 - Introduction
00:27 - What is a joint?
00:42 - Types of joints
03:08 - Bolted joints
03:47 - Bolted joints - Tension resistance
04:23 - Bolted joints - Shear resistance
05:27 - Bolted joints - Bearing resistance
06:26 - Bolted joints - Combined shear & tension
06:42 - Bolted joints - Position of holes
08:21 - Bolted joint design example

Bolted ‘pin’ connections:
Tie rod
Beam to beam joints
Beam to column joints

Weld-bolted ’pin’ connections:
Beam to beam joints
Beam to column joints
Column to foundation

Rigid joints:
Column brackets
Beam to column joints
Column to column joint (splice)
Beam splice
Hollow section joints
Column to foundation
Knee joints

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▶️ Watch Eurocode 3 Series
Part 01 - Introduction to Eurocode 3:    • Introduction to Eurocode 3 | EC3 | EN...  
Part 02 - Introduction to Eurocode 0:    • Introduction to Eurocode 0 | EC0 | EN...  
Part 03 - Eurocode 3 Structural Analysis:    • Eurocode 3 Structural Analysis | EC3 ...  
Part 04 - Brittle Fracture:    • Brittle Fracture | Eurocode 3 | EC3 |...  
Part 05 - Cross-section Classification + Buckling:    • Cross-section Classification & Resist...  
Part 06 - Steel Beam Design - Bending + Example:    • Steel Beam Design - Bending + Example...  
Part 07 - Steel Beam Design - Shear:    • Steel Beam Design - Shear | Combined ...  
Part 08 - Steel Beam Design - SLS:    • Steel Beam Design - Serviceability Li...  
Part 09 - Introduction to Lateral Torsional Buckling:    • Introduction to Lateral Torsional Buc...  
Part 10 - Design Buckling Resistance Moment:    • How to Calculate Design Buckling Resi...  
Part 11 - Design Buckling Resistance Examples:    • Calculation Examples of Design Buckli...  
Part 12 - Steel Column - Compression Member Design:    • Steel Column Design | Compression Mem...  
Part 13 - Steel Column - Buckling Resistance:    • Steel Column Design | Buckling Resist...  
Part 14 - Steel Column - Buckling Example:    • Steel Column Design - Buckling Exampl...  
Part 15 - Tension Member Design - Fastener Design:    • Steel Tension Member Design | Stagger...  
Part 16 - Tension Member Design - Connections:    • Steel Tension Member Design | Welded ...  
Part 17 - Axial Compression, Bending, Torsion:    • Steel Member Design | Axial Compressi...  
Part 18 - Bolted Connections - Pinned & Fixed (Rigid):    • Steel Connections | Bolted Joint Desi...  
Part 19 - Welded Connections - Pinned & Fixed (Rigid):    • Steel Connections | Welded Joint Desi...  

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Disclaimer: This material is provided on an 'as is' basis without warranty of any kind. There is no warranty that the material will meet your requirements, that the material is error-free, that results obtained from the use of the material will be reliable, nor that any errors in the material will be corrected.
Acknowledgement: This material was developed through a project part-funded by the UK Higher Education Academy under the Northern Ireland Enhancement Fund (grant DCE 620). Video credit: Queen's University Belfast - http://www.qub.ac.uk
Photo credit: SteelConstruction.info