BOXCFT Column Design Calculator

Section Dimensions

NAME

BOXCFT - Cross Section Data

Box CFT section

B mm

H mm

t mm

단중 — kg/m

H≥B, X-X Axis / H<B, Y-Y Axis

As: — mm² | Ac: — mm² | Ag: — mm²

Section Properties

Bi—mm

Hi—mm

B/t—

H/t—

As—mm²

Ac—mm²

Ag—mm²

Ix—mm⁴

Iy—mm⁴

Zx—mm³

Zy—mm³

rx—mm

ry—mm

r(min)—mm

rs—mm

Steel Material

Grade

Fy

MPa

E

MPa

ν

Concrete

fck

MPa

φ (압축)

-

φ (휨)

-

Effective Length

L

m

K

-

Design Load

Pu

kN

Mux

kN·m

Muy

kN·m

Vux

kN

Vuy

kN

📊 Calculation Results (Basic CFT)

Pn0

—kN

φPn

—kN

Pu / φPn

— PENDING

KL/r(min)

— PENDING

Check (압축)

—

Bi / Hi

—mm

📋 Multi Column Calculation Sheet

Col. no	Pu	Mux	Muy	Compressive	P-M-M