🔩 ACI 318 Chapter 25 (Anchorage Local/General Zones, 33-40 Kip Bursting Rebar)

PT Anchorage Bursting & Splitting Calculator

Size local and general anchorage zone transverse bursting, spalling, and longitudinal splitting reinforcement behind post-tensioned stressing anchors under ACI 318 Chapter 25: calculate bursting tensile force (T_burst = 0.25 x P_jack x [1 - a/h]), size closed mild steel rebar spirals and #4/#5 hairpins preventing edge blowouts, and PT detailing profits.

1. Project & Operating Inputs

Stressing Anchor Pockets (Anchor Count e.g. 350 Edge Anchors)

Initial Jacking Force (Kips e.g. 33.0 Kips per Strand)

Customer Bid Price for Supplied Anchor Castings & Bursting Cages ($ / Anchor)

Ductile Iron Anchor Bodies, Plastic Pocket Formers, Spiral Rebar ($ / Unit)

2. Financial Breakdown & Yield

ACI 318 ANCHORAGE REINFORCEMENT

Turnkey Anchorage Detailing Profit

PT Structural Safety Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost