GRL Engineers, Inc.

The leading provider in Deep Foundation Testing, Analysis and Consulting Services

The leading provider of Deep Foundation Testing, Analysis and Consulting Services.

GRL Engineers services range from small specialized testing jobs (such as investigating unknown foundations) to large-scale projects requiring the monitoring and analysis of hundreds of test piles nationwide. We have offices in 10 states that service the entire United States and throughout the Americas, both onshore and offshore.

We live by our motto: Quick response, Results you can trust!

GRL Engineers, Inc. is a professional engineering firm that specializes in providing testing, analysis, and consulting services for the deep foundation industry worldwide. The firm was founded in 1976 by the Case Western Reserve University research team that developed the Case Method of dynamic pile testing and the Pile Driving Analyzer® (PDA) system for performing the test. Since its incorporation, GRL has continued to expand its capabilities in this field through in-house research efforts and several funded studies, most notably in the area of wave equation technology and hammer performance evaluation.

The innovative pile testing methods originally developed by the principals of the firm are now applied worldwide, resulting in improved foundation solutions, better quality control and often significant savings of foundation costs or construction time. GRL engineers perform dynamic pile monitoring (on land or offshore), dynamic load testing, integrity assessment of driven piles and drilled shafts, drivability analysis, data review and training as well as research and development projects in the field of deep foundation testing systems.

GRL Engineers, Inc. maintains its corporate headquarters in Cleveland, OH with offices in Chicago, IL; Philadelphia, PA; Charlotte, NC; Orlando, FL; New Orleans, LA; Denver, CO; Seattle, WA; Houston, TX and Los Angeles, CA. GRL engineers travel frequently throughout the United States as well as overseas and to offshore locations around the world.

PDA Pile Monitoring and Dynamic Testing Services

Assessments of structural and geotechnical pile bearing capacity, measurement of soil resistance, driving stresses and hammer performance.

Integrity Evaluation

Thermal integrity profiling, crosshole sonic logging and low strain dynamic testing services.

Bi-Directional Testing

High capacity static load test method for drilled shafts, bored piles, barrettes, and ACIP/CFA piles.

GRLWEAP Wave Equation Analysis

Analysis with GRLWEAP program for job preparation and in selection of proper pile driving equipment.

Static Load Testing

Validation of foundation design assumptions regarding the axial compression or axial tension resistance provided by a deep foundation element.

Energy Measurements

Measurement of the energy transferred by either a Becker Drill or an SPT hammer to increase accuracy.

Shaft Base Cleanliness Evaluation

For improved shaft bottom cleanliness, GRL Engineers utilize a Shaft Quantitative Inspection Device (SQUID) to quickly and efficiently assess the cleanliness and competency at the bottom of a drilled shaft.

Offshore Foundation Testing

Assistance with successful pile installation for offshore platforms worldwide.

Specialty Engineering Services

Training, third party test evaluation, embedded gages, pulse echo, frequency response inductive or parallel seismic evaluations.

GRL is always interested in receiving applications from qualified candidates. Please submit a cover letter and resume to grl-careers@GRLengineers.com.

  • Address 30725 Aurora Rd
    Cleveland, OH 44139 USA
    (216) 831-6131

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