Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations...

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Suspension bridge on floating foundations When is the technology ready? 22.09.2015 Johannes Veie

Transcript of Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations...

Page 1: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Suspension bridge on floatingfoundations

When is the technology ready?

22.09.2015 Johannes Veie

Page 2: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

IntroductionMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

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Page 3: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

TLP characteristicsMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 4: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

SognefjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 5: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Tension legged platform (TLP) foundationsMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 6: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

BoknafjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 7: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

HalsafjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

2 x 1200 m

Page 8: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

BjørnafjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 9: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

BjørnafjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 10: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

22/09/2015 Teknologidagene 2015

Objectives that apply to the process of designing the bridge:

• Lowering risk and increase the robustness to obtain a high degree of safety in all aspects

• Develop a solution which emphasis good architecture for the surroundings, for travelers and the road as an attraction.

• Lowering costs of construction, maintenance and operation

• Low impact on environment

• Low impact on marine traffic

Conceptual designMultispan suspension bridge on floating foundations

Page 11: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Multispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

• 5 km wide• Maximum depth of 550 m• Two Land based concrete towers & two floaters (steel/concrete)• Three main spans of 1 385 m

Conceptual design

Page 12: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

BjørnafjordenMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Single aerodynamic steel box bridge girder. Two main cables with hanger-connection to the deck. Roadway with two lanes in each direction. In addition cycle and pedestrian lane.

Page 13: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

TendonsMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Lower connector: Tendon pipe made of 1.118 mm * 38 mm steel

Page 14: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Main cable and hangersMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Wires with a diameter of 5.96 mm assemble the strands. The main cable is assembled of 94 strands, each consisting of 127 wires

0.725D m=

Page 15: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Central node / cable locker22/09/2015 Teknologidagene 2015

Multispan suspension bridge on floating foundations

Page 16: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Tower saddleMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 17: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Landing, north sideMultispan suspension bridge on floating foundations

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Page 18: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Landing, south sideMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 19: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Complete bridgeMultispan suspension bridge on floating foundations

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Page 20: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Steel floater alternativeMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 21: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Concrete floater alternative with steel towerMultispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

Page 22: Suspension bridge on floating foundations...Multispan suspension bridge on floating foundations 22/09/2015 Teknologidagene 2015 Wires with a diameter of 5.96 mm assemble the strands.

Multispan suspension bridge on floating foundations

22/09/2015 Teknologidagene 2015

TLP-suspension bridges - when is the technology ready?