A typical concentrically braced frame featuring X-bracing and subject to a lateral load "P" is illustrated in Figure 1. The compression brace (C) is susceptible to in-plane buckling, although out-of-plane [...]
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Engineers Corner: Calculate the Location of the Plastic Neutral Axis for an Asymmetrical Steel Section
Assumption: Top flange is in compression and bottom flange is in tension. Definitions: PNA: The plastic neutral axis is defined as the axis that divides the cross section such that [...]
Part 3 in the CISC Handbook of Steel Construction shows various configurations of beam-to-column moment connections designed to resist wind and gravity loads, along with detailed calculations. As illustrated [...]
To calculate the shear stress, τ and angular deflection, θ caused by a torsional moment generated by the application of forces acting at some distance from the centroid, the polar [...]
CISC provides the Steel Knowledge BLOG as a part of its commitment to the education of those interested in the use of steel in construction. Neither CISC nor the authors assume responsibility for errors or oversights resulting from the use of the information contained herein. When a solution is suggested it may not necessarily apply to a particular structure or application, and is not intended to replace the expertise of a professional engineer, architect or other licensed professional.