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In the early 1960s, pioneering researchers at Case Institute of Technology in Cleveland, OH were developing new methods of
non destructive pile testing to support the industry trend toward more efficient high capacity deep foundations. Those new methods,
and associated hardware and software solutions, included the Case Method of Pile Testing, the Pile Driving Analyzer, and the Wave
Equation Analysis of Piles computer program. Being most knowledgeable about the capabilities of those new dynamic foundation testing
approaches, the research team was frequently asked to provide consulting services to the deep foundations industry. Thus, under the
leadership of Professor George Goble, the team formed a consulting firm known today as GRL Engineers, Inc., or simply GRL.
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About GRL
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Dr. Frank Rausche and Garland E. Likins, circa 1970's (from left)
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GRL Engineers works primarily in the United States, where its seven
offices allow it to maintain a quick, cost-effective responsiveness to client needs throughout
the country. Its consulting services range from small or specialized testing jobs (like unknown
foundations) to large-scale projects requiring the monitoring and analysis of hundreds of test
piles. The firm also performs offshore foundation testing work and other complex jobs in other
countries across the globe.
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Two of the most notable members of the original research team, Dr. Frank Rausche and Garland E. Likins,
lead GRL today, joined by highly accomplished and experienced engineers. GRL office managers include, to
name only two, Mohamad Hussein, co-author of the Geotechnical Section of the McGraw-Hill Civil Engineering
Handbook, and Pat Hannigan, author of the Federal Highway Administration Manual of Design and Construction
of Driven Piles.
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