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Geomechanics

Sonic Drilling for Geotechnical Investigations

Sonic is an advanced method of drilling which uses a high-frequency energy known as an oscillation that is generated inside the Sonic head. During drilling, the high-frequency oscillation is transferred down the drill string to the bit face at various Sonic frequencies (0hz to 150hz). Simultaneously rotating the drill string (Max 90rpm) evenly distributes the energy and impact ...

Barge Drilling with the Tides

Barge drilling in tidal ports is a challenging task, but it is one that requires teamwork and perseverance. In this story, we will follow the crew of a barge drilling rig as they work to drill 12 holes in two different ports in Africa, 350 kilometres apart.The crew faced a number of challenges, including: Tidal ports: The tides and large swells can make it difficult to maint ...

September 2023 | Newsletter

Welcome to this edition of the GeoGroup newsletter. In this issue, we look at the following: Barge Drilling with the Tides Sonic Drilling for Geotechnical Investigation Steelpoort Update Arbor Week | Tree Donations Read all the articles here: ...

August 2023 | Newsletter

Welcome to this edition of the GeoGroup newsletter. In this issue, we look at the following: Geotechnical Drilling from Maviljan to Arthur's Seat 43 Years of Excellence | Terra Monitoring Women's Month | Breaking Barriers and Shaping Success Arbor Week | 4 - 10 September 2023 To read all the articles, ...

Nelson Mandela Month | PETS JHB

In honour of Nelson Mandela Month, the GeoGroup partnered up with PETS (Pet Empowerment in Townships) Johannesburg for a donation towards the food items they need to feed the animals that they are sheltering. We have a deep love for animals in need of shelter, a home and love. It's because of this that we chose to help PETS Jhb for our 67 minutes of change.PETS (Pet Empowerment ...

Electronic Vane Shear Testing

Electronic Vane Shear Testing (eVST) is a widely used method for measuring the undrained shear strength and remoulded shear strength of soil. This technique involves pushing the apparatus into the soil and rotating it, using an electronic motor situated above the vanes, at a controlled rate while measuring the torque required to cause shear failure. eVST is a quick, easy, and n ...

Difficult Drilling Access

Our projects often take us to locations that few people have ever seen. On high mountains, and in deep valleys.For a recent project, our teams were commissioned to conduct geotechnical drilling in an area that rarely sees the presence of any human being. Surrounded by wildlife, our teams had to build roads by breaking apart boulders and flattening them out to create access rout ...

July 2023 | Newsletter

Welcome to this edition of the GeoGroup newsletter. In this issue, we look at the following: Geotechnical Investigation for Dam Wall Repairs Difficult Drilling Access About Electronic Vane Shear Testing Nelson Mandela Month | PETS Jhb To read all the articles, ...

June 2023 | Newsletter

Welcome to this edition of the GeoGroup newsletter. In this issue, we look at the following: Wireless Systems Integration for Geotechnical Monitoring About Mostap Sampling Team Empowerment Through Safety Nelson Mandela Day To read the full newsletter, ...

In-Situ Testing Services

GeoGroup offers a variety of In-Situ testing services: Each of these methods provides unique information about the soil or rock being tested, such as its strength, stiffness, and compressibility.In-situ testing is particularly useful in situations where obtaining soil or rock samples are difficult or nearly impossible, such as in deep foundations or underwater structures. By ...