Japan Kansai Airport Reclamation Issues – Second Runway

Japan Kansai Airport Reclamation Issues – Second Runway

Japan Kansai Airport Reclamation Issues
– Second Runway
Reclamation Method – Sand Drains plus Surcharge
(sand
d compaction
ti pile
il )
Reclamation Method – Sand Drains plus Surcharge
(sand
d compaction
ti pile)
pile
il )
(sand compaction
pile))
pile
Sand compaction pile construction in
Pusan, Korea - visit and photos taken by
JH Yin in April
p 2005
http://www.kiac.co.jp/tech/sink/sink3/index.html
Kansai International Airport in Osaka, Japan
- First Runway Settlement (updated)
Second Runway Settlement (updated)
!"#$%&'
!()*+,-.%"#/01234
!"#$%5-.%"#/
4. Past HK Airport Reclamation Study
Reclamation in Tung Chung started in 1992
Reclamation of 67 hectares of land in Tung Chung
completed in 1994 !"
Hong Kong New Airport 678
- Reclamation Project Brief Review
Geology of Chek Lap Kok
new airport
After Plant et al. 1998
Geology of Chek Lap Kok
new airport
After Plant et al. 1998
After Plant et al. 1998
After Plant et al. 1998
After Plant et al. 1998
After Plant et al. 1998
After Plant et al. 1998
Hong Kong Airport 789:;<=
(a) Better Consolidation Modelling of Soils under the
Test Embankment at Chek Lap Kok Airport >?
N
Chek
Lap
Kok
Test
Embankment
NE
NW
SW
0
100m
SE
Area
A
NW
NE
SW
SE
“Consolidation Modelling of Soils
under the Test Embankment
at Chek Lap Kok International
Airport in Hong Kong
Using a Simplified Finite Element
Method” by Zhu, Yin and Graham
Method
(Canadian Geotechnical Journal,
Vol.38, No.2, 349-363)
D
Drain
i T
Type S
Spacing
i
Alidrains
1.5m
Alidrains
3.0m
Sand drains 3.0m
No drain
(a) Better Consolidation Modelling of Soils under the
Test Embankment at Chek Lap Kok Airport >?
pressure (kPa)
0
0
-5
100
200
Max past
pressure
300
400
500
600
upper marine clay
Elevation
n (mPD)
-10
upper alluvium
-15
15
lower marine clay
-20
lower alluvium
-25
in-situ vertical
ff ti stress
t
effective
-30
700
800