EARTHQUAKE LOADS AS 1170.4-2007 tonf 1000kgf

Structure Input

hn 10.5m Uppermost seismic mass height. Clause 6.2.3Wt 4025.0kN Seismic weight of the structure. Clause 6.2.1

AS 1170.4-2007 Standard & WAIO Standard Structural Design Criteria Input

FUSP-000-S-00001/0 clause 2.2.12 Port Hedland

Importance level 2Probability factor kp 1Hazard factor Z 0.12Site sub-soil class Ce

AS 1170.4-2007 Clause 6.2.3 Natural period of the structure

kt 0.05

T1 0.36s Natural period of the structure

f11

T12.7 1s Natrual frequency of the structure

AS 1170.4-2007 Clause 6.4 Spectral shape factor (Ch)

Ch 3.32

AS 1170.4-2007 Clause 6.5 Determination of structural ductility () and structuralperformance factor (Sp)Table 6.5A for Steel Structures

2Sp 0.77

Earthquake Base Shear

V kp Z ChSp

Wt Base shear, as given in clause 6.2.1

V 617.1 kN