Seismic Demands in Nonstructural Components

This calculation determines nonstructural component seismic design forces per ASCE 7 or NBC 2020.

Code:
CA flagNBCC
S_02(g)

0.2 sec design spectral acceleration

Constraints
min: 0step: 0.01
I_E

Importance factor

Constraints
min: 0step: 0.1
W_p(lb)

Component weight

Constraints
min: 0
z(ft)

Height from the point of attachment to the seismic base

Constraints
min: 0step: 1
h(ft)

Overall depth of cross section

Constraints
min: 0.001step: 1
C_p

Component factor

Constraints
min: 0step: 0.1
A_r

Amplification factor

Constraints
min: 0step: 0.1
R_p

Response modification factor

Constraints
min: 0step: 0.5
FₚWₚhhzz

Calculation Steps:

    Component parameters
    • Component = Custom
    • Component factor: Cp = 1
    • Amplification factor: Ar = 1
    • Response modification factor: Rp = 1
    Calculate the horizontal design force, Fp
    • Ax

      Height amplification factor

    • Sp

      Seismic design factor

    • Fpmin

      Minimum seismic force

      lb
    • Fpmax

      Maximum seismic force

      lb
    • Fp

      Horizontal seismic design force

      lb
    User Notes: