Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Premature Failing Concrete~2003.

MTO NWR foray into Prefabricated Bridge

Construction was born of necessity.

Prefabricated Bridge Construction in Ontario

Little Savanne R. Br. 2004

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Field placed FRP

concrete failed after 1

year.

ABC would not be

effective with

conventional material

Prefabricated Bridge Construction in Ontario

Things changed significantly

in 2005 with emergence of

GFRP and UHPC into

bridge construction scene

Prefabricated Bridge Construction in Ontario

Harryson* Joint

Revolutionized field joint

construction:

Short laps and zero

falsework

Prefabricated Bridge Construction in Ontario

*Peter Harryson, Chalmers University, Sweden

MTO Variation.

Prefabricated Bridge Construction in Ontario

Extensively tested to

prove joint efficacy.

1st installation of

UHPC and GFRP

was CN Ohead in

2005

Prefabricated Bridge Construction in Ontario

Led to the ‘Topless’ box girder bridge

using UHPC and GFRP.

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Over 30 such bridges built

in NWR since including

multi-spans.

Prefabricated Bridge Construction in Ontario

Over 30 such bridges built

in NWR since including

multi-spans.

Prefabricated Bridge Construction in Ontario

Use of UHPC and GFRP in decks has also grown.

Both staged rehab and new construction.

Prefabricated Bridge Construction in Ontario

Noden Causeway—precast ‘glued’ deck

Prefabricated Bridge Construction in Ontario

Noden Causeway—precast ‘glued down’ deck

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Prefabricated composite Timber (PSL)

Concrete Bridge for Low Volume Roads

Prefabricated Bridge Construction in Ontario

Prefabricated composite Timber (PSL)

Concrete Bridge for Low Volume Roads

Nip

igon R

iver

Nipigon River Cable Stayed Bridge

Signature Bridge 3 Towers ‘Modified Fan’ Shape 1st Cable Stayed Br in Ont. 1st Stage Constructed

NWR Prefab experience has

led to NWR ultimate Prefab project: Nipigon R. Br.

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Nipigon River Cable Stayed Bridge

74m

113m 139m

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Nipigon River Cable Stayed Bridge

Prefabricated

Cast in

Place

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Nipigon River Cable Stayed Bridge

37m

Precast Deck--Winnipeg Precast Towers--Calgary Structural Steel—Laval, Quebec, Calgary Cables—Spain Expansion Joints—China

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Nipigon River Cable Stayed Bridge

Tower segments—72 pieces

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Deck Panels—>400 pieces GFRP and Stainless Steel Reinforcing

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Nipigon River Cable Stayed Bridge

Nip

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Prefabricated Bridge Construction in Ontario

Nip

igon R

iver

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Epoxy ‘Buttered’ Surface

Prefabricated Bridge Construction in Ontario

Prefabricated Bridge Construction in Ontario

Nip

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Questions?

Prefabricated Bridge Construction in Ontario