construction of palm islands

1. By G Vamsi Krishna
189X1D2006
1st M.Tech

2. Palm IslandsWhy ???

3. Master Plan

4. • 30 Heavy land-based machines
• 9 Barges
• 15 Tugboats
• 7 Dredgers
• 10 Floating cranes
Machinery used

5. Components of
Palm Jumeirah
• Spine
• Fronds
• Long Trunk
• Crescent
• Sub sea Vehicular tunnel & Monorail
• Sub sea Horizontal directional drilling

6. Break Water
Crescent
• 11.5 km long
• 200 m wide
• 5 km Radius
• 13 feet above L.T.S.L
• 3-4 m above M.S.L
• 5-6 tons of sand
• 1 ton wt rock !

7. Construction of Break water
• Bottom layer of sand is thickness of 7.4 m

8. Cross sectional View of crescent
• Each rock Weight up to 6 tons !
• 5.5 Million cubic meters of Rock @ 16 Quarries
• 94 Million cubic meters of Sand
• 40,000 tons of rock
• Every 27 Meters

9. Sand filling with the help of Dredgers
• Speed @10km/s
• Less than hour to fill 8 ton of sand
• Rainbowing Process
• Sand rises 4 m above water

10. • 5 men
• Hot temperature high humid levels
• 676 km in space

11. Sub sea Drilled
Directional
Crossings
• Vehicular tunnel and Monorail
Connects the spine tip to Crescent
• 12 HDD on either sides
• Frond D to Eastern side 580m
• Avg 680 m
•Western side 700 m
•Avg 800m

12. Problems
Encountered
•Two third of Crescent had
been Completed Faced a
problem.
• Water Circulation with
Fronds with Open sea.
• Replenishing the water
supply every 14 days.

13. • Sand loose & Uncompacted
• Earthquake Zone
• Liquefaction
• Vibro-Compaction
• 20 K