EVT 2000 with slip coupling
The standard configuration used widely around the world normally uses tapered vanes and has no protection for vane and extension rods. A “Nilcon” type slip coupling helps you to eliminate the rod friction.
The vane test is done by pushing the down the hole equipment, similar to Nilcon mechanical vane apparatus, into the ground statically with a penetrometer or drilling rig. When the measuring level is reached the vane instrument is mounted on the rig and the rod string is put through the chuck on the instrument. Rotation is applied on the rod string and the torque is measured and viewed in real-time on your laptop. When the test is finished you either continue pushing down to the next level or retract your rods.
Additional information
| Brochure | https://geotech.eu/wp-content/uploads/2022/10/Geotech-EVT-2000-folder.pdf |
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Vane testers
With electrical vane testers from Geotech, the undrained and remoulded shear
strengths of soils can be measured and sensitivity calculated in situ.
The EVT 2000 Electrical Vane Tester is available with protection for vane and rod or with the “Nilcon” type of slip coupling for compensation of rod friction. The Nova Vane Probe makes the measurements down-hole, directly above the vane.
EVT 2000 with slip coupling
The traditional or standard solution based on the well-known “Nilcon” type of slip coupling for compensation of rod friction.
EVT 2000 with protective casing
The EVT 2000 Electrical Vane Tester with protective casing for vane and rod.
