🏛️ ACI 440.2R Hoop Confinement, Concrete Compressive Strain ε_ccu Boost %

CFRP Column Structural Confinement Calculator

Size continuous hoop wrapping of circular and rectangular concrete columns using Carbon Fiber Reinforced Polymer (CFRP) under ACI 440.2R: calculate triaxial confinement pressure (f_l), enhanced concrete compressive strength (f_cc), seismic ductility enhancement, and structural column retrofitting margins.

1. Project & Operating Inputs

Concrete Columns Wrapped (Column Count e.g. 24 Columns)

Column Height (Feet e.g. 14.0 ft High Column)

Customer Invoiced Bid Price per Column ($ / Column e.g. $4,850)

Carbon Fiber Fabric, Structural Epoxy Saturant, Corner Rounding & Labor ($)

2. Financial Breakdown & Yield

CFRP COLUMN HOOP CONFINEMENT

Turnkey Column Retrofit Profit

Structural Retrofit Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost