GFRP Column Design — ACI 440.11-22 Calculator

Project information

Appears on the printed calculation sheet

ProjectDesigned byChecked byDateRevision

Column geometry

Section dimensions and cover · §10.3.1

Column shape §10.3.1.1Column width, b §10.3.1mmColumn depth, h §10.3.1mmClear cover, cc §20.5.1mmUnsupported height, Lu §6.2.5mmTransverse type §22.4.2.1

Concrete properties

Ch. 19

f'c — specified strength §19.2.1MPawc — unit weight §19.2kg/m³λ — lightweight factor §19.2.4

GFRP longitudinal bar properties

Ch. 20

ffu* — guaranteed tensile strength §20.2.2.3MPaEf — modulus of elasticity §20.2.2.2MPaCE — environmental reduction factor §20.2.2.3

Bottom (tension) face

Bar size (ASTM D7957) Number of bars

Top (compression) face

Bar size (ASTM D7957) Number of bars

Side faces (per side)

Bar size (ASTM D7957) Number of bars

Total longitudinal bars, n_total 11

Total GFRP area, Af 3151.7 mm²

Reinforcement ratio, ρf = Af / Ag §10.6.1.11.26 %

GFRP transverse reinforcement

Ch. 20

ffb* — guaranteed bent strength §20.2.2.4MPaEfv — transverse modulus §20.2.2.2MPadb,trans — stirrup diameter mmn_legs — number of legs s — stirrup spacing §10.7.6mm

Factored loads

Ch. 5 · §5.3

Pu — factored axial load §5.3kNMu — factored moment §5.3kN·mVu — factored shear §5.3kN

Service loads & serviceability

Ch. 24

PD — service dead axial §24.2kNPL — service live axial §24.2kNMD — service dead moment §24.2kN·mML — service live moment §24.2kN·mξ — sustained load factor §24.2.4.1.3kb — bond-dependent coefficient §24.3.2.1Exposure (crack width limit) §24.3.2