2007
Activities and Events
| AAAEA APRIL DINNER SEMINAR/MEETING - New Concepts and Innovations with U.S. Cable-Stayed Bridges |
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| Date: | Friday, April 25, 2008 | |||
| Time: | 5:00 p.m.
Social 5:30 p.m. Dinner 6:15 p.m. Presentation |
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| Location: | Reza's Restaurant 432 W Ontario St Chicago, IL 60610 Tel: (312) 664-4500 |
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| Cost: | Members.........................$20 Non-Members................$25 Students..........................$10 At door..............................$25 |
RSVP by April 24, 2008 | ||
| Presentation: | The presentation
will discuss the design and construction of four recent cable stayed
bridges. Each utilized state-of-the-art concepts and inspired the
use of new technologies as well as address future inspection and maintenance
needs early in the design process. The bridges to be discussed are: - The William F. Natcher Bridge, Owensboro, Kentucky, connecting Kentucky and Indiana has a main span of 366m and a total length of 1.373km. Crossing through the Ohio River floodplain, a state-of-the art hydraulic analysis was prepared to optimize flood relief structures, scour depths and to determine velocity vectors for ship impact design. - The landmark Leonard P. Zakim Bunker Hill Bridge, Boston, Massachusetts, part of the multibillion-dollar Central Artery/Tunnel Project, is the widest cable stayed bridge in the world. It is longitudinally and transversely asymmetrical with ten lanes in the main span supported by stay cables. It is a five span continuous hybrid structure with the post-tensioned concrete back spans and a composite steel main span structure. Built over a subway tunnel in a severely constricted site, it is the first cable stay bridge in the U.S. to utilize ungrouted stay cables, the “Iso-tension” stressing method, and visco-elastic dampers. - The design/build New Cooper River Bridge, Charleston, South Carolina, is presently the longest main span cable stayed bridge in the US. With a main span of 488m and a vertical clearance of 56.4m, the bridge is designed for severe seismicity and heavy ship impact forces. - The Southern Outer Bangkok Ring Road Bridge, Bangkok, Thailand, also known Chao Phraya River Bridge, forms a crucial part of the southern beltway around Bangkok. The bridge has a main span of 500 meters and a vertical clearance of more than 50 meters. |
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| Speaker: | Vijay
Chandra, P.E., Senior Vice President, Parsons Brinckerhoff Mr. Vijay Chandra is a Senior Vice President and Director of the Structures for PB Americas, Inc. managing over 300 engineers nationwide. He was the Chief Bridge Engineer for the Central Artery/Tunnel Project. He has over 40 years of experience and is a registered engineer in many states. He was the Chairman of the Precast/Prestressed Concrete Institute committee on Bridges, member of the PCI Committee on Transportation and a member of the Post-tensioning Institute committees on Bridges and stay cables. Mr. Chandra is also a member of many national and international organizations. He has authored many papers and presented them at National & International Conferences. |
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| To Register: | Dr. Moussa
Issa: Tel: (708)-236-0900 moussa.issa@hbmengineering.com |
Jamal Grainawi: Tel: (312) 803-6516 Grainawi@pbworld.com |
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1 PDH will be awarded!
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