QuakeCoRE Research Accomplishments
Annual Meeting 2018
Brendon Bradley(on behalf of the QuakeCoRE community)
Observed
Simulated
North-South East-West Vertical
Wel
ling
ton
Bas
inW
ellin
gto
n R
ock
Hauraki Rift Basin model
NZ Velocity ModelKerepēhi Ft(source)
20 km
3 km
(3.0,1.2)
(1.5,0.4)
( , )
km/s
Ground Motion Simulations of Upper North Island Earthquakes
Wairoa North Fault (M 6.7)
Auckland
Te Poi
offshore
onshore
Kerepehi Fault segments (M 6.6 – 7.4)
PGA, PGV, Ds575 for selected locations and scenarios.
Sth. Auckland exposed to Wairoa N Ft (PGA 0.25g).
Thames and Matamata exposed to Kerepehi Ft events (PGA 0.25-0.75g).
Simulations performed on Kupe with help from
UC (Brendon, Sung, Jonney and others).
S2
S3
S1
Switch
Transformer
Bus
Load
110/20kV 110/20kV
0
1
2
3
4
5 11
10
9
8
7
6
12
13
'0.1 10.7p
c g
h PKa f A
θ⎡ ⎤
= −⎢ ⎥⎢ ⎥⎣ ⎦
P
c
α
θb
α-θb
θb *cr s PLεΔ =
0.8cr cr
p cr d d Dθ δ Δ Δ
= = =′−
Auckland 4-storey
Christchurch/Wellington 4-storey
Sliding hinge joint (MacRae et al. 2010)
Reduced beam sections (Huang et al. 2010)
Wellington 4-storey building loss comparisons
⇒
QuakeCoRE Research Accomplishments
Annual Meeting 2018
Brendon Bradley(on behalf of the QuakeCoRE community)