C-51 Structural Steel (2025-01-01)

The information presented in this publication has been prepared in accordance with recognized engineering principles and is for general information only. While it is believed to be accurate, this information should not be used or relied upon for any specific application without competent professional examination and verification of its accuracy, suitability, and applicability by a licensed engineer, architect or other design professional. The publication of the material contained herein is not intended as a representation or warranty on the part of the research council on structural connections or of any other person named herein, that this information is suitable for any general particular use or of freedom from infringement of any patent or patents. Anyone making use of his information assumes all liability arising form such use.

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This book contains the most current information for safety and compliance in California’s construction industry.

The California Building Code (CBC) sets minimum standards for building design, construction, fire and life safety, structural safety, and accessibility. It regulates materials, occupancy, location, and maintenance to protect health, safety, and property. Matrix Adoption Tables at the start of each chapter show which state agencies adopt specific sections.

This 2-volume set is fully integrated with the 2024 International Building Code® and includes free updates.
Effective: January 1, 2026.

This Manual is the 14th major update of the AISC Steel Construction Manual, which was first published in 1927. The 14th edition, released in 2011, contains several updates and revisions from the 13th edtion, including the new HP18 and HP16 series, updated connection tables based on increased bolt shear strength values, revised single-plate and extended single-plate connection design procedures, enhanced prying action procedure, and a revised bracket plate design procedure. The most current printing of this publication is the fourth printing.

The following specifications, codes and standards are printed in Part 16 of this Manual:

• 2010 Specification for Structural Steel Buildings, including the new Chapter N on QC and QA, expanded composite design provisions, and improved slip-critical connection provisions
• 2009 RCSC Specification for Structural Joints Using High-Strength Bolts
• 2010 Code of Standard Practice for Steel Buildings and Bridges

D1.4/D1.4M