1. Moment Connection Requires Bolts Outside the Flanges
Base Plate --- Moment Connection
Moment Connection Requires
Bolts Outside the Flanges

2. Base Plate --- Moment Connection
The Triangular Stiffener Plate increases
Shear Strength of Connection and
Bending Strength of Base Plate

3. Bolts Outside the Flanges
Base Plate --- Moment Connection
Moment Connection
Bolts Outside the Flanges

4. Base Plate --- Moment Connection
Additional Plates and Welds Needed for Large Flange Forces

5. Base Plate --- Pipe Column
This Connection is Considered as a Pin Connection

6. Base Plate --- Pipe Column
Large Point Load Requires Web Stiffener Plates

7. Moment Connection --- Beam Splice
Flange Plate for Transferring Compressive Force Due to Bending

8. Moment Connection --- Beam Splice
Flange Plate to Transfer Tensile Force Due to Bending

9. Moment Connection --- Beam Splice
Web Plate for
Transferring Shear

10. Column Splice --- Bolted
Flange Plates are Shop Welded

11. Column Splice --- Bolted
Flange Plates are Field Bolted

12. Column Splice --- Welded
Web Plate is Shop Welded

13. After Lowering Upper Column Web Bolts for Erection Fit-up
Column Splice --- Welded
After Lowering Upper Column
it is Field Welded
Web Bolts for Erection Fit-up

14. Moment Connection to Column Flange --- Field Welded
Web Plate is Shop Welded
to Column Flange

15. Moment Connection to Column Flange --- Field Welded
Backing Rods Needed for Groove Welds

16. Moment Connection to Column Flange --- Field Welded
Beam is Then Attached
Using Full Penetration
Field Groove Welds

17. Moment Connection to Column Web Welded
Flange Plates at Top and Bottom are Shop Welded

18. Moment Connection to Column Web Welded
Web Plate is Shop Welded

19. Moment Connection to Column Web Welded
Beam is Field Welded after sliding in The Flange plates

20. Moment Connection to Column Web Welded
Field Weld After Sliding the Beam in Flange Plates

21. Moment Connection --- End Plate
End Plate Shop Welded to the Beam

22. Moment Connection --- End Plate
Tension Side Bolts
Compression Side Bolts
All Bolts Installed in Field

23. Shear Connection --- Bolted Seat
No Direct Connection of Beam and Column Flanges. Low Rigidity of Angles makes it a Shear Connection

24. Shear Connection --- Bolted Seat
Bolted Seat Angle helps Placing and Bolting of Beam

25. Shear Connection --- Bolted Seat
Lower Seat Angles Resist All the Shear so Bigger Lower Seat and More Bolts are Needed

26. Shear Connection --- Welded Seat
Seated Beam Shear Connection

27. Shear Connection --- Welded Seat
Seat Angle Shop Welded and Field Bolted

28. Shear Connection --- Welded Seat
Web Angle is Only for Stability
and carries No Load

29. Shear Connectors for Composite Beam
Shear Studs welded to Beam Flanges in Field for making Concrete Deck integral to Steel

30. Shear Connection --- Double Sided
Left Side Angles with Two Bolts
Floor Beam on Left Side of Girder

31. Shear Connection --- Double Sided
Floor Beam on Right Side of Girder
Right Side Angles with Three Bolts

32. Shear Connection --- Double Sided
View From the Left Side Floor Beam
View From the Right Side Floor Beam

33. Shear Connection --- Double Web Angles Shop & Field Bolted
One Sided Floor Beam to Girder Shear Connection

34. Shear Connection --- Single Angle
Note Shop Weld
And Field Bolts
For Lightly Loaded Channels Single Angle Shear Connection can be used

35. A Single Angle Shear Connection For a Skewed Channel
Shear Connection --- Skewed
A Single Angle Shear Connection For a Skewed Channel

36. Truss --- Shop Welded, Field Bolted
Note Shop Welds

37. And Field Bolts For Connecting the Truss to Column
Truss --- Shop Welded, Field Bolted
And Field Bolts For Connecting the Truss to Column

38. Double Angle Members for Top Chord, Bottom Chord and Web
Truss --- Shop Welded, Field Bolted
Double Angle Members for Top Chord, Bottom Chord and Web

39. Cold Formed Z-Shape Purlin
Truss --- Shop Welded, Field Bolted
Cold Formed Z-Shape Purlin