The manual clarifies how to handle structural design using shotcrete, emphasizing surface preparation, reinforcement clearance, and core testing. Structure of the PCA Notes
For detailed design examples and in-depth discussions on these topics, engineers are encouraged to reference the official PCA publications.
Anchoring to concrete saw major updates, specifically regarding the adhesive anchor provisions. The PCA Notes include a full worked example for a cast-in anchor vs. an adhesive anchor in cracked concrete, a topic that historically confused many engineers.
Instead of hunting through ACI 318-19 Sections 9.3.3, 9.7, etc., the PCA Notes provides a numbered list: pca notes on aci 31819
The PCA Notes mirror the organizational structure of ACI 318-19, allowing engineers to quickly cross-reference code clauses with explanatory text. The document is generally divided into several core technical areas:
The transition from ACI 318-14 to ACI 318-19 marked one of the most significant overhauls in the history of the ACI code. It integrated advanced materials, updated seismic provisions, and refined empirical formulas to match modern construction practices.
Clarifies easily misunderstood sections of the code, such as development length modifications and complex shear configurations. The manual clarifies how to handle structural design
Revisions to concrete strength limits and material properties.
) to more accurately predict deflections in cracked sections. Seismic Design
A continuous T-beam needs to be designed for a 30-ft span, f'c = 5,000 psi , fy = 60,000 psi , with a superimposed dead load of 1.5 kip/ft and live load of 2 kip/ft. The beam is in an interior, dry environment. The PCA Notes include a full worked example
This workflow ensures you don't miss a code requirement (like minimum cover or crack width) that might be buried in a different section of the code.
: New calculation examples for modified development length requirements, particularly for high-strength rebar and seismic hooks. Seismic Provisions
