damage to bolu viaduct from earthquakes in turkey
DESCRIPTION
Damage to Bolu Viaduct from Earthquakes in Turkey. Euridice A. Oware Advisor: Dr. Mete Sozen. Introduction. Bolu Mountain Tunnel Project $ 1.5 billion Improve Transportation in the Mountainous Terrain to the West of Bolu Between Istanbul and Ankara. Contains: Two 3.2-km Tunnels - PowerPoint PPT PresentationTRANSCRIPT
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Damage to Bolu Viaduct from
Earthquakes in Turkey
Euridice A. Oware
Advisor: Dr. Mete Sozen
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Introduction
• Bolu Mountain Tunnel Project
• $ 1.5 billion
• Improve Transportation in the Mountainous Terrain to the West of Bolu Between Istanbul and Ankara.
• Contains:– Two 3.2-km Tunnels – Two Viaducts; One Almost Completed
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Location
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Project Location
1
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Viaduct 1 (Western Viaduct)
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Viaduct 1 - Details
• Length is 2.3 km
• Max Pier Height is 49 meters
• Maximum Span 39.6 meters
• Number of Piers: 58 North, 57 South
• Pier Foundations 12-pile Group with 1.8 m Diameter Friction Pile
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Earthquakes
2 Earthquakes - North Anatolian Fault
• August 17, 1999: Kocaeli-Goluck Earthquake– M of 7.4, 45 seconds – Viaduct Performed Well
• November 12, 1999: Duzce-Bolu Earthquake– M of 7.2 – Suffered More Damage
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Observations
Viaduct Deck Moved in Longitudinal Direction Beyond Design Limits.
Horizontal Displacements
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Observations
Failed Dampers
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Observations
Rotation of Piers
At the Expansion Joints
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Report Goals
• Overview of the Viaduct Project
• Geology of Bolu Valley
• Geologist Map of Fault Zone
• Describe the Damage From Observations
• Damping Devices
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Thank You!!!!