Problem Solution

Problem 2.12

Item Hint Value Reference

A_T 240 ft² given

D 35 psf given

L₀ office building 50 psf ASCE 7 table 4-1 page 1 or IBC table 1607.1 page 1

K_LL interior column 4 ASCE 7 table 4-2 or IBC table 1607.9.1

L supports only
one floor 36.71 psf ASCE 7 section 4.8.1 or IBC section 1607.9.1
K_LLA_T = 960 ft² > 400 ft² so reduction is permitted,
check L > 0.50 L₀ ok

P_column 17.21 kip P_D = A_T (D + L)

Item	Hint	Value	Reference
A_T		240 ft²	given
D		35 psf	given
L₀	office building	50 psf	ASCE 7 table 4-1 page 1 or IBC table 1607.1 page 1
K_LL	interior column	4	ASCE 7 table 4-2 or IBC table 1607.9.1
L	supports only one floor	36.71 psf	ASCE 7 section 4.8.1 or IBC section 1607.9.1 K_LLA_T = 960 ft² > 400 ft² so reduction is permitted, check L > 0.50 L₀ ok
P_column		17.21 kip	P_D = A_T (D + L)