Science News

GraviProbe Profiles Deep Sea Waters

Developed to capture high quality geotechnical profiles of fluid and consolidated mud layers at maximum depths of 5500 meters, the Deep Sea GraviProbe is a geotechnical profiling system for deep sea waters.

 

The system's cone is lowered in the underwater soft layers, analyzing those layers during intrusion. Under its own weight it penetrates fluid and consolidated mud or sediment layers and measuring dynamic tip resistance as a Qc value. The data acquired from the cone, on-board accelerometers, inclinometers and pressure sensors is determining the geotechnical parameters of the intruded medium (Qc over depth).

The system is capable of collecting data at 5500 m depths and has a static measurement resolution of 250 Pa. Its simplicity in use results in a rapid deployment and in a high data collection rate.

In a single day data of more than 100 measurement points can be collected. The instrument is complementary with classic seabed CPT's and gathers shear strength information for seabed intrusion depths from 0 to 4 meter at operational depths from 1 to 5500m.

For more information, click here.

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