Deep Foundation Testing, Analysis, and Consulting Services. 

GRL Engineers services range from small specialized testing jobs (such as evaluating unknown foundations)
to large-scale projects requiring the monitoring and analysis of hundreds of test piles nationwide.

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Statement of

QUALIFICATIONS

GRL Engineers, Inc, is a professional engineering firm established to provide specialized testing, analysis, and consulting services to the deep foundation industry. GRL operates the largest dynamic pile testing firm in the world, as well as an industry leading provider of integrity test methods for deep foundations including thermal integrity profiling, cross-hole sonic logging, and low strain integrity testing.

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Services

Testing & Consulting

GRL Engineers offer a wide range of deep foundation testing and consulting services, nationwide. Most GRL Engineers have achieved Advanced Level or higher on both the PDCA/PDI Dynamic Measurement and Analysis Proficiency Test. 

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Projects

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case histories >
Corvallis Van Buren Bridge Replacement
Establishing a comprehensive understanding of the soil and foundation was pertinent to the construction of the new Corvallis Van Buren Bridge. GRL Engineers were hired to analyze the foundation’s capacity using Bi-Directional Static Load Testing services. Additionally, Drilled Shaft Verticality was assessed prior to concrete installation. Thermal Integrity Profiling was utilized to monitor concrete curing and identify potential anomalies. Crosshole Sonic Logging was utilized when a thermal wire did not record data.
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St. Francis Hospital Parking Garage Replacement
An old foundation with unknown capacity was tested using an APPLE High Strain Dynamic Load Test and CAPWAP Analyses to determine if the foundation would be usable for a new parking garage. With minimal information on the original foundation, GRL Engineers were able to assess capacity, stresses and soil resistance.
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