Geo-Congress 2020
Sky Harbor Airport Runway Realignment
Publication: Geo-Congress 2020: University of Minnesota 68th Annual Geotechnical Engineering Conference (GSP 321)
ABSTRACT
The Sky Harbor Airport Runway in Duluth, Minnesota, is in the process of being realigned to increase safety with the runway approach. In 2007, the Duluth Airport Authority identified several obstructions to the Runway 32 approach surface. As a result, the Authority completed a multi-year federal Environmental Assessment and a state Environmental Assessment Worksheet to evaluate alternative solutions with respect to the runway approach. The obstructions consisted of old growth trees, the majority of which were located within a scientific and natural area (SNA) protected by the Minnesota Department of Natural Resources. The selected solution consisted of shortening the runway from 3,050 feet to 2,600 feet and rotating it 5 degrees into Superior Bay. The geotechnical design of the runway considered slope stability and settlement of the embankment fill. Staged preloading of the site was completed using surcharge fill with a geotextile reinforcement base layer to improve stability of the fill. In addition to monitoring settlement with settlement gauges, drone surveys were completed of the surcharge fill embankment. Underwater surveys, using a multi-beam echo-sounder (MBES) to provide depth measurements, detailed surface model, and point cloud, were completed to verify the riprap embankment protection dimensions placed in Superior Bay. This case study presents the geotechnical investigation and design of the runway relocation along with results of construction monitoring of fill placement and settlement.
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ACKNOWLEDGMENTS
The authors wish to recognize the assistance and support of Wayne Wambold, Sr. Geotechnical Engineer at Short Elliott Hendrickson Inc., for providing engineering and peer review support during design and construction of the project. Special thanks to the Duluth Airport Authority for the opportunity to work on this project. The general contractor for the project was Northland Construction LLC.
REFERENCES
AASHTO. (2012). AASHTO LRFD Bridge Design Specifications. Sec. 10.6.2.4.2, Washington, D.C.
Winterkorn, H.F. and Fang, H.Y. (1975). Foundation Engineering Handbook. Van Nostrand Reinhold Company, New York, N.Y.
Liu, C. and Evett, J.E. (2004). Soils and Foundations. Pearson Prentice Hall, Upper Saddle River, N.J.
Information & Authors
Information
Published In
Geo-Congress 2020: University of Minnesota 68th Annual Geotechnical Engineering Conference (GSP 321)
Pages: 187 - 197
Editors: Joseph F. Labuz, Ph.D., University of Minnesota, Brent A. Theroux, Barr Engineering Co., James P. Hambleton, Ph.D., Northwestern University, Roman Makhnenko, Ph.D., University of Illinois at Urbana-Champaign, and Aaron S. Budge, Ph.D., Minnesota State University, Mankato
ISBN (Online): 978-0-7844-8284-1
Copyright
© 2020 American Society of Civil Engineers.
History
Published online: Feb 21, 2020
ASCE Technical Topics:
- Air transportation
- Airport and airfield pavements
- Airports and airfields
- Base course
- Bays
- Business management
- Case studies
- Coastal engineering
- Coasts, oceans, ports, and waterways engineering
- Earth materials
- Engineering fundamentals
- Fills
- Geomaterials
- Geomatic surveys
- Geomatics
- Geotechnical engineering
- Hydraulic engineering
- Hydraulic structures
- Infrastructure
- Methodology (by type)
- Pavements
- Ports and harbors
- Practice and Profession
- Public administration
- Public health and safety
- Research methods (by type)
- Safety
- Transportation engineering
- Underwater surveys
- Water and water resources
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