GRL Engineers, Inc, is the largest professional engineering firm established to provide specialized testing, analysis, and consulting services to the deep foundation industry. The testing methods GRL provides improved foundation solutions, better quality control, and often significant savings in foundation cost or construction time.
Under the direction of professor G.G. Goble, and with the participation of F. Rausche and G. Likins, a research project was begun in 1964 at Case Institute of Technology in Cleveland, Ohio. This research pioneered the basic concept of dynamic pile testing which is now known as the Case Method. In the early 1970’s, the research team began a consulting practice to provide a service based on the Case Method and utilizing the Pile Driving Analyzer® (PDA) for the deep foundation industry. Incorporated in 1975, GRL continues to expand its capabilities in the dynamic testing field servicing drilled shafts, driven piles, ACIP/CFA foundations, micro and helical piles, slurry walls, barrettes and more. Our services range from small testing jobs to large-scale projects requiring the monitoring and analysis of hundreds of foundation elements.
Today, GRL is an industry leading provider of integrity test methods for deep foundations including thermal integrity profiling, crosshole sonic logging, gamma gamma logging, and low strain integrity testing. We offer a variety of load testing services including our APPLE drop weight dynamic load testing system, GRL-Cells for Bi-Directional Static Load Testing, and multiple load frames and hydraulic jacks for static load testing.
In addition, GRL continues to engage in deep foundation testing research and education. GRL maintains a quick, cost-effective responsiveness to client needs throughout the United States, the Caribbean, Central America and Northern South America. GRL also performs offshore foundation testing work and other complex jobs in countries across the globe.
With a unique history and unequaled wealth of experience, GRL is internationally recognized for major contributions to its deep foundation area of expertise.