The addition of a third structure, between the two existing bridge structures, carrying I-480 over the Cuyahoga River Valley near Cleveland, Ohio, required high pier loads and very deep foundations....
Read MoreThe Florida Department of Transportation (FDOT) initiated the construction of the new Little Lake Harris Bridge with the intention of conforming the bridge to meet current safety standards. GRL Engin...
Read MoreResearchers at UC Santa Cruz found that bigger and more distant earthquakes can occur when injecting fluid into sedimentary rock than into the underlying basement rock. The evidence from this study...
Read MoreDespite the hazardous inclination of approximately five degrees, the Leaning Tower of Pisa (in Italy) has managed to survive four strong earthquakes since 1200 A.D. The construction of the Tower be...
Read MoreAny structure is only as good as its foundation. For a deep foundation to perform satisfactorily, it must have adequate geotechnical capacity to support the applied load and lack structural defects....
Read MoreThe American Society for Testing and Materials, ASTM, has revised the Standard Test Method for Low Strain Impact Integrity Testing of Deep Foundations, D5882. This Standard covers both the Pulse Echo...
Read MoreOver the course of the past several years GRL Engineers, Inc. (GRL) has introduced a series of six "APPLE" drop hammers. The devices are used in dynamic load testing of any type of deep foundation (A...
Read MoreThe Associated Press has posted a video of a mudslide that on December 18th 2012 was mobilized while a freight train was passing. Amazing coincidence or did the vibrations from the train contributed t...
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