What is the minimum width perpendicular to the length of K-Series joists for a steel bearing plate anchored in a concrete or masonry wall?

The minimum width perpendicular to the length of K-Series joists for a steel bearing plate anchored in a concrete or masonry wall is established to ensure adequate load distribution and structural integrity. A width of 6 inches provides a sufficient bearing area that helps to prevent excessive stress concentrations on the supporting wall. This dimension ensures that the loads from the joist are uniformly transferred into the wall material, reducing the risk of cracking or failure of the support system.

In structural engineering, the design of connections and supports is critical for safety and performance. A bearing plate that is too narrow may not adequately transfer the load, leading to structural issues. The standards set forth in design guidelines typically reflect the balance between material efficiency and the need for durability and stability in construction. Thus, the specification of 6 inches aligns with accepted engineering practices for K-Series joists.