Vertical Bracing Connections: Analysis and Design

A comprehensive framework for the analysis and engineering of vertical bracing connections in steel structures. It centers on the Lower Bound Theorem, which ensures safety by utilizing admissible force fields that maintain internal equilibrium. The text details various methodologies, most notably the Uniform Force Method (UFM), to calculate the distribution of forces at gusset plate interfaces. Seismic and nonseismic conditions are both addressed, with specific guidance on achieving the ductility and rotation requirements necessary for high-seismic applications. Detailed mathematical examples illustrate how to verify limit states such as bolt shear, prying action, and gusset buckling across different configurations like corner and chevron connections. Ultimately, the source serves as a technical manual for creating predictable and secure load paths within braced frame systems.

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