Likewise detailing of main structural members, detailing of joints in steel structure is also very vital. Joints mainly bear the loads which are transmitted from structures to various structural members. Therefore, the detailing work of joints in steel structure should be performed efficiently to make the structure secure for the specified loads.
Given below, the detailed information concerning the types of joints generally applied for structural steel hollow sections. There are different types of hollow sections which range from Rectangular Hollow Sections (RHS) and Square Hollow Sections (SHS) and Circular Hollow Sections (CHS).
Given below, the joint details for structural steel hollow sections (RHS and SHS) which are generally applied:
- K – Type Joints: K – Type joints in steel structures develop as soon as the centroidal axis of horizontal member and two lateral bracings touch with the central axis of top chord.
Make sure that the ends of hollow sections should be closed. If any ends of a hollow section does not come nearer because of more width, then a plate is welded on that end so that the ends come to the nearer as well as the connection with other members remain effective with the sealing of the members. It resists inner corrosion of the hollow sections.
K-type of joints in structural steel members is easiest and most cost effective.
- Knee – Type Joint: Knee-type joint is ideal for enhancing the strength of connection among vertical and horizontal members of structure.
In welded knee-joint, the chord situated at top is directly welded to the primary column and then an appropriately cut haunch is welded to the vertical and the chord member for making stiffening superior.
- N – Type Joint: By following the implemented configuration, N-type joint is developed for relating web members to top and bottom chords.
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