New Geotechnical Profiling System from dotOcean

dotOcean has designed an innovative geotechnical profiling system for deep sea waters, the Deep Sea GraviProbe.

The system’s cone is lowered in the underwater sediment layer, analyzing those layers during intrusion.

Under its own weight it penetrates loose and consolidated mud 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 and Su over depth).

The system is capable of collecting data at 5500 m depths and has a measurement resolution of 100 Pa.

A regular A-frame can be used and there is no need for a dynamic positioning vessel. Furthermore the Deep Sea GraviProbe does not need a data cable, all data is stored internally.

This new approach results in a rapid deployment and in a high data collection rate. Only 10 seconds is required for one measurement, so in a single day data more than 100 measurement points can be collected.

The instrument is complementary with classic seabed CPT’s and gathers strength information of seabed intrusion depths from 0 to 4 meter at operational depths from 1 to 5500m. The profiler can gather valuable information on the seabed to support offshore construction, manifold and cable installation, mining and anchoring.

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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