← All tools
AISC REFERENCE

AISC Fillet Encroachment.

Encroachment allowance when riding the fillet, by k_det − t_f.

AISC Fig. 10-3, fillet encroachment (riding the fillet). The values are the same in the 14th and 15th Editions.

FILLET ENCROACHMENT
Encroachment Allowance1/8"

How to use it

  1. Pick the k_det − t_f bracket that matches your member.
  2. Read the encroachment allowance.

Example

For k_det − t_f in the 3/8" to 1/2" bracket, the encroachment allowance is 3/16".

Source and notes

  • Source: AISC Fig. 10-3, fillet encroachment (riding the fillet). The values are the same in the 14th and 15th Editions.
  • The first bracket, 5/16", is a single value, not "5/16" or less".
  • The AISC tables belong to the American Institute of Steel Construction. They are shown here as a quick reference and may not match the edition or addenda you are required to use.
DisclaimerEducational use only. Not engineering, legal or code-compliance advice.

The content on StructuralWorld, including articles, diagrams, calculators and other tools, is provided for general educational and informational purposes only. It is not engineering, architectural, legal or code-compliance advice, and it does not create a professional relationship between you and StructuralWorld or its authors.

Codes, standards and regulations (for example OSHA, IBC, ADA and AISC) are revised regularly and are adopted and amended differently by each jurisdiction. Figures shown here may be simplified, may refer to a specific edition, and may be out of date or contain errors. Calculators and interactive diagrams are illustrative only and are not a substitute for design calculations, shop drawings or engineering review.

Before relying on any information for design, fabrication, erection, inspection or safety decisions, verify it against the current governing code and the project documents, and consult a qualified, licensed professional (such as a structural engineer) and the authority having jurisdiction.

To the fullest extent permitted by law, StructuralWorld and its authors make no warranties, express or implied, about the accuracy, completeness or fitness for a particular purpose of this content, and accept no liability for any loss, damage or injury arising from its use or from reliance on it. Links to third-party standards and websites are provided for convenience; that material belongs to its owners. If you find an error, please let us know.