Instead of calculating the area of 3 #6 bars manually, use Table 3 (Area of Reinforcement).
However, the PCA has (as of 2023) not produced an interactive, equation-solving digital tool. That space is held by software like RAM Concept, ETABS, and ADAPT. The PCA Notes remains the pedagogical foundation upon which those tools are validated.
Stricter requirements for confinement in columns. Crossties: Changes in how hooks must be oriented.