: Includes a new, detailed design example for stepped columns, commonly used in heavy industrial buildings to support high-capacity cranes.
Previously treated as separate elements, the 4th Edition mandates: : Includes a new, detailed design example for
Heavy-duty columns or stepped columns that transfer loads from the runway girders to the foundations. : Includes a new
Engineering Journal (AISC, Q4 2021) Why it’s good: A deeper technical article focusing entirely on fatigue – the most critical aspect of crane-runway design. It explains: detailed design example for stepped columns