More on Large Diameter Pipe in Building Applications

Kim Olson, PE – HSS Consulting Engineer, Steel Tube Institute In January, we presented an article that just scratched the surface of the discussion of alternate specifications to A500 that are applicable to large diameter round sections. The response generated a few important questions, so we decided to take a deeper dive into this topic. Read more…

Connection Design With High-Strength HSS

by Jeffrey A. Packer Bahen/Tanenbaum Professor of Civil Engineering, University of Toronto, Ontario, Canada _____________________________________________________________________________________ Around the world, there is a movement toward “high-performance” or high-strength materials in structural engineering. In the steel construction sector, this has been more evident with plate and wide-flange sections, but hollow section manufacturers are now in the process of raising Read more…

Large Diameter Pipe in Building Applications

Kim Olson, PE – HSS Consulting Engineer, Steel Tube Institute As the construction market continues to boom, it seems that the desire for larger pipe and tube sections continues to grow as well. Availability of these sections should be a concern if you are considering specifying them. We have identified a few items that may Read more…

Your Questions Answered: AISC 360-16 Chapter K & HSS Connections

Kim Olson, PE HSS Technical Consultant Steel Tube Institute Recently, we presented two webinars detailing the provisions of Chapter K in AISC 360-16 and how those changes affect HSS connection design. Attendees were invited to pose their questions, and we have included answers to the most common ones here. Q: Can we see the derivation Read more…

HSS Poles

by Jeffrey A. Packer Bahen/Tanenbaum Professor of Civil Engineering, University of Toronto, Ontario, Canada Tubular steel sections are commonly used as cantilevered structural members to support electricity distribution lines, cellular phone equipment, road and highway signs, lighting and luminaires, traffic signals, advertising boards, and in a host of similar monopole applications (Figure 1). The structural Read more…

Effects of Slender Elements in HSS Compression Members

Mike Manor, PE, MLSE FORSE Consulting Technical Consultant to the Steel Tube Institute Introduction Hollow structural sections (HSS) are commonly used in buildings as columns to support compression forces from floor and roof loads. HSS members start as a hot-rolled steel plate which is then cold-formed into round, square or rectangular tube shapes with the Read more…

HSS Knee Connections

by Jeffrey A. Packer Bahen/Tanenbaum Professor of Civil Engineering, University of Toronto, Ontario, Canada Single-story frames can be fabricated by welding round or square/rectangular HSS together, typically with a pitched roof, forming so-called Knee connections as illustrated in Figure 1. Such frames are used in light construction, such as with greenhouses, and as portal frames Read more…

Architecturally Exposed Hollow Structural Sections

Cathleen Jacinto, PE, SE FORSE Consulting, Technical Consultants to the Steel Tube Institute Architecturally exposed structural steel (AESS) is steel used for its strength and load-resisting function in a structure and remains exposed to view. Since this steel can be highly visible, special requirements and treatment for this metalwork is needed to meet the intent Read more…

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