Seismic BaseShear SANS 10160 4

Owner Plant Project No. Title

Calculation of Seismic Base Shear based on SAN INPUT :

Type of Building

0.085, for steel frames

ht, ht of bldg from the foundation or from the top of a rigid basement

10.00

Ground Type

1.000

Structural System

ag

Ordinary concrete frames not detailed in accordance

0.15

CT, factor used to determine fundamental period of vibration

0.085

T=CT x ht3/4

0.478

S

1.000

TB, limits of constant spectral acceleration

0.150

TC, limits of constant spectral acceleration

0.400

TD, value defining beginning of constant displacement

2.000

OUPUT :

q, Behaviour Factor

2

Sd(T), design response spectrum for elastic analysis

0.157

Vn, Design Base Shear, Sd(T) x Wn

0.157

Computed By Unit File No.

Date Verified By Date Page

of

hear based on SANS 10160-4:2011 Edition 1.1 Reference:

Cl 8.5.2.1, SANS 10160-4:2011

m

Cl 8.5.2.1, SANS 10160-4:2011

Table 2, SANS 10160-4:2011

Table 4, SANS 10160-4:2011

crete frames not detailed in accordance with annex B

g

Geotechnical Investigation Report In absence of Data refer Cl 5.3, SANS 10160-4:2011

Cl 8.5.2.1, SANS 10160-4:2011

sec

0.085*10^(3/4)

Cl 8.5.2.1, SANS 10160-4:2011

###

0.085, for st B e 0.075, for re a r0.05, for all G i rn Structural S o g S u t n rW Reinforced d a u lcReinforced T lt y ### u p rS e ye s Sst e R ### m e ### q u ### i r ### e d t o

Table 2, SANS 10160-4:2011

sec

Table 2, SANS 10160-4:2011

sec

Table 2, SANS 10160-4:2011

sec

Table 2, SANS 10160-4:2011

r e m a i n e ### l a Condition s 1 t Condition 2 i c 3 Condition Condition 4

Table 4, SANS 10160-4:2011

Cl 5.3, SANS 10160-4:2011

Condition ###

kN/Unit Wn

Cl 8.5.1, SANS 10160-4:2011

###

where Wn is sustatined vertical load (force), kN

### ###