introduction to this structure, motivation and its construction.

1. LONDON
EYE
Submitted by:
Rizwan Ahmad
03-CE-2012

2. INTRODUCTION

3. HISTORY
1. It was built to celebrate millennium inaugurated
by prime minister of united kingdom, Tony Blair.
2. Architects thought rotating wheel will allow the
people to have the view of whole city.

4. PEOPLE BEHIND THE PROJECT
1. Designed by David marks and Julia Barfield.
2. Funding for this project was done by British
Airways.
3. London eye is operated and managed by
Europe’s leading operators of visitors
Attractions, the Tassauds group.
4. Hollandia the steel work engineers.
5. POMA the capsule constructors.

5. PASSENGER CAPSULES
1. 32 sealed and air conditioned
passenger capsules which can
accommodate 25 passengers each
2. Wheel rotates with a speed 26 cm
per second so that one revolution
takes 30 minutes
3. Each capsule is in touch with the
ground with the help of camera and
radio links

6. THE HUB AND SPINDLE
1. The spindle at the centre of wheel
structure and the hub, which rotates
around the wheel are specially designed
2. Spindle is 23 m high
3. Combined weight of hub and spindle is
330 tonnes
4. The hub and the spindle are supported by
two 60 m high tapered column’s called
as A frames

7. THE RIM
1. 64 cables run from hub which rotates
around the spindle to the inner chord
2. They keep the rim at constant distance
from hub
3. 16 cables then join the outer chord to
the hub which keeps the wheel stiff as
it rotates

8. CONSTRUCTION AND
REALISATION OF SYSTEM
1. Main components built off site
2. Workers assembled the wheel
horizontally on the temporary
support

9. INSTALLATION OF SYSTEM
1. Once assembled 1300 ton structure
was slowly raised by hydraulic lifts and
cables
2. 32 capsules were attached to rim

10. THE CONTROL OF WIND
1. The structure has been designed to be
safe in all wind conditions.
2. capsules are aerodynamically shaped.
3. Mass dumpers are fixed to outer rim.

11. BOARDING AND
DISEMBARKATION
1. It does not usually stop to take
passengers on and off the moving
capsules

12. OPENING
1. Opened by prime minister tony Blair on
31 Dec 1999
2. Opened to public on 9 march 2000
3. On June 2008 30 million people had
ridden the London eye since it was
opened

13. FACTS AND FIGURES
1. It took seven years and skills of hundrend’s
of people to make the dream project
2. The spindle which holds the wheel structure
is 23m long
3. 1700 tonnes of steel were used
4. It took a week to lift it in vertical position

14. FACTS AND FIGURES
1. Total weight is 2100 tonnes
2. It will turn continuously an average of
8000 revolutions per year
3. Can carry 15000 visitors

15. FACTS AND FIGURES
1. Passengers can see in each direction
2. 3.5 million people in its first year of
operation
3. Tickets start at 8 USD for adults

16. AT PRESENT
1. Nowadays, the wheel is one
of the popular known
landmarks in London and it
is famous in the world
2. Now about 10000 people
visit it every day

17. THANK YOU