Risk in Geotechnical Practice: Unraveling Foundation Uncertainty

by Gregory B. Baecher, Ph.D., Life Member of ASCE and the Glenn L. Martin Professor of Engineering at the University of Maryland in College Park, MD., gbaecher@umd.edu,
Ross T. McGillivray, P.E., Life Member of ASCE and a senior consultant at Ardaman & Associates, Inc. in Tampa, FL., rmcgillivray@ardaman.com,
Thomas M. Waits, P.E., senior technical advisor, bridges, with HighSpans Engineering, Inc. in Tallahassee, FL., TWaits@highspans.com

Serial Information: Geo-Strata —Geo Institute of ASCE, 2020, Vol. 24, Issue 1, Pg. 50-57

Document Type: Feature article

Abstract: Statistical Analysis Offers a Rational Approach for Controlling Foundation Risk in Design-Build Projects. For the past 20 years, design-build (DB) procurement has become the default for many transportation agencies for major projects in the U.S. Although DB offers economic advantages over design-bid-build, the advantage can evaporate when the price of major bridge foundations in the fixed-price bidding process is based on inadequate geotechnical information.

Subject Headings: Bridge foundations | Risk management | Geohazards | Foundations | Uncertainty principles | Foundation design | Design-build | Project management


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