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Registration
Civil Engineer
Oregon, Washington
Career
1992 - present
Senior Associate Engineer
Cornforth Consultants
Portland, Oregon
1992 - 1992
Staff Engineer
Tejima and Associates, Inc
Redwood City, California
1980 - 1985
Staff Engineer
Kawasaki Steel Corporation
Tokyo, Japan
Education
1992
M Eng Geotechnical Engineering
University of California, Berkeley
1989
MS Geological Engineering
University of Alaska
Fairbanks, Alaska
1980
BE Mineral Development Engineering
University of Tokyo, Japan
Honors/Societies
American Society of Civil Engineers
International Society for Soil Mechanics and Geotechnical Engineering
U.C. Berkeley Geotechnical Society
Phi Kappa Phi
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Mr. Yamasaki has 16 years of experience as a
geotechnical engineer. He has worked on seismic evaluation of embankment dams and foundation soils, ground improvement, landslide remediation, and structure foundations. He has built a track record
in the application of engineering principles to especially complex geotechnical problems.
A few of Mr. Yamasaki’s representative work projects include:
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Embankment Dam Seismic Stability and Deformation Evaluations, Oak Grove Hydroelectric Project, Oregon
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Driven Pile Design and Evaluations, Bear Creek Bridge, Medford, Oregon
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Plate Load Testing, Trojan Nuclear Power Plant Decommissioning, Rainier, Oregon
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Wastewater Treatment Plant Expansion Foundation
Improvements, Tillamook County, Oregon
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Liquefaction Evaluation and Ground Improvement, Port Westward Generating Plant, Clatskanie, Oregon
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FWD Data Analysis and Pavement Design, Warner Highway Realignment, Lakeview, Oregon
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Large-Scale Laboratory Testing, Sewer Line Backfill Settlement, Richland, Washington
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North Transmission Pipeline Excavation Shoring and
Soil Improvement, Cornelius, Oregon
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Shear Pile Design, Depoe Bay Sea Wall, Depoe Bay, Oregon
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Design and Modification of Foundations, Green Springs Drive Bridge, Klamath Falls, Oregon
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Static and Seismic Stability of Willamette Falls
Dam, West Linn, Oregon
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Interstate 84 Sandy River Bridge Investigation,
Troutdale, Oregon
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Earthfill Dam Construction, Frog Lake Central Dam,
Three Lynx, Oregon
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Municipal Water Supply System Expansion Facility
Foundations, Glendale, Oregon
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Willamette Falls Dam Section G-G Stability Analysis,
West Linn, Oregon
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Westside Light Rail Zoo Station Exploration and
Instrumentation, Portland, Oregon
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St. Johns Landfill Closure Clay Liner, Portland,
Oregon
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Jackson Creek Bridge Foundations, Jacksonville,
Oregon
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