Pca Notes On Aci 31819 [better] May 2026

While the ACI 318-19 code tells you what the law is, the PCA Notes explain why it changed and how to apply it efficiently. They include:

ACI 318-19 expanded the use of high-strength reinforcement (up to Grade 100). The PCA Notes are invaluable here, as they outline the limitations:

Side-by-side looks at what changed from 318-14 to 318-19.

The 2019 code updated the calculation for development length, particularly for hooked and headed bars. The PCA Notes simplify these complex calculations with:

): Understanding the nuances of tension-controlled vs. compression-controlled sections.

PCA provides clear decision trees for when is required based on the new formulas. 4. High-Strength Reinforcing Steel

Quick-reference tables for common bar sizes and concrete strengths.