The International Information Center for Geotechnical Engineers

Tuesday, 05 June 2018 13:37

Highly instrumented static load testing by GRL

Static Load Tests can be performed to validate foundation design assumptions regarding the axial compression or axial tension resistance provided by a deep foundation element, or its deflected shape under a lateral load.

 GRL performs both highly instrumented static load tests to meet the need of project design tests as well as basic load tests, for construction quality assurance. Depending on the project requirements, loading condition, and deep foundation type, GRL can attach or embed vibrating wire strain gages, resistance strain gages, vibrating wire piezometers, pressure cells, in-place inclinometer strings or ShapeAccelArrays. The readings from these devices are collected and stored on a multi-channel data logger.

Conventional readings of the applied load determined from the jack pressure gage and load cell, and deep foundation head movement determined by LVDTs, digital dial gages, or mechanical dial gages, can be combined with the instrumentation, mentioned above, to determine the capacity or nominal soil resistance, the load-transfer behavior under axial loads, or deflected shape under lateral loads.

After processing the collected load test data, GRL engineers prepare a final report summarizing the load-movement results.

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Source: GRL


Source: GRL

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