Japan Kansai Airport Reclamation Issues Japan Kansai Airport - PowerPoint PPT Presentation

Japan Kansai Airport Reclamation Issues Japan Kansai Airport Reclamation Issues – Second Runway Second Runway

Reclamation Method Reclamation Method – – Sand Drains plus Surcharge Sand Drains plus Surcharge ( sand compaction pile sand compaction pile ) d d ti ti il il ) ( )

Reclamation Method Reclamation Method – – Sand Drains plus Surcharge Sand Drains plus Surcharge ( (sand compaction pile sand compaction pile) d d ti ti il il ) )

(sand compaction sand compaction pile pile)

Sand compaction pile construction in Sand compaction pile construction in Pusan, Korea Pusan, Korea - - visit and photos taken by visit and photos taken by JH Yin in April 2005 JH Yin in April 2005 p

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 !()*+,-.%"#/01234 !"#$%5-.%"#/ !"#$%5-.%"#/

4. Past HK Airport Reclamation Study 4. Past HK Airport Reclamation Study Reclamation in Tung Chung started in 1992 Reclamation in Tung Chung started in 1992

Reclamation of 67 hectares of land in Tung Chung Reclamation of 67 hectares of land in Tung Chung completed in 1994 completed in 1994 !" completed in 1994 completed in 1994 !" !" !" !" !" !" !"

Hong Kong New Airport Hong Kong New Airport 678 678 678 678 - Reclamation Project Brief Review - Reclamation Project Brief Review Reclamation Project Brief Review Reclamation Project Brief Review

Geology of Chek Lap Kok Geology of Chek Lap Kok new airport new airport new airport new airport After Plant et al. 1998

Geology of Chek Lap Kok Geology of Chek Lap Kok new airport new airport new airport 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 Hong Kong Airport 789:;<= 789:;<= 789:;<= 789:;<= (a) Better Consolidation Modelling of Soils under the Test Embankment at Chek Lap Kok Airport >? Test Embankment at Chek Lap Kok Airport >? >? >? N “Consolidation Modelling of Soils “Consolidation Modelling of Soils Chek under the Test Embankment Lap Kok Test at Chek Lap Kok International Embankment NE Airport in Hong Kong NW SE Using a Simplified Finite Element SW Method” by Zhu, Yin and Graham Method by Zhu, Yin and Graham (Canadian Geotechnical Journal, Vol.38, No.2, 349-363) A Area Drain Type Spacing D i T S i NW Alidrains 1.5m NE Alidrains 3.0m SW Sand drains 3.0m 0 100m SE No drain

(a) Better Consolidation Modelling of Soils under the Test Embankment at Chek Lap Kok Airport >? Test Embankment at Chek Lap Kok Airport >? >? >? pressure (kPa) 0 0 100 200 300 400 500 600 700 800 -5 Max past upper marine clay pressure -10 n (mPD) upper alluvium -15 15 Elevation lower marine clay -20 lower alluvium -25 in-situ vertical effective stress ff ti t -30