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General Information

Beginning of works: 1996
Completion: 10 June 2000
Status: in use

Project Type

Location

Location: , , ,
, , ,
Crosses:
  • Thames River
Coordinates: 51° 30' 34.30" N    0° 5' 54.75" W
Show coordinates on a map

Technical Information

Dimensions

main span 144 m
sag 2.3 m
total length 370 m

Cost

cost of construction Pound sterling 18 200 000

Materials

superstructure steel
piers reinforced concrete

Chronology

10 June 2000

On the opening weekend, over 150 000 people use the bridge. On Saturday, larger than expected movements are experienced as larger crowds cross the bridge.

12 June 2000

The bridge is temporarily closed to assess the deflection problems that occurred in the first days of opening.

22 February 2002

After addition of dampeners during a £ 5 000 000 repair program, the bridge re-opens to the public.

Notes

The structural problem of the Millennium Bridge is due to "synchronous lateral excitation", where the footfalls from pedestrians create lateral movements in the bridge. These movements are enhanced when the pedestrians attempt to compensate and match their footfalls to the bridge's movements. At more than 156 pedestrians this type of movement increased visibly in the Millennium Bridge. The structural problems were studied at the Cambridge University Structure Laboratory.

Participants

Initial construction
Owner
Architecture
Structural engineering
Checking engineering
Co-contractor
Cable steel supplier
Bearings
Quantity surveyor
Rehabilitation
Structural engineering
Contractor
Material supplier

Relevant Web Sites

Relevant Publications

More publications...
  • About this
    data sheet
  • Structure-ID
    20000603
  • Published on:
    21/01/2000
  • Last updated on:
    01/02/2021
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