Sampling Tube

Sampling Tube

Sampling tube
Unrelieved. Mild steel
For collecting undisturbed samples of 38 mm dia for Triaxial Shear strength and Unconfined Compressive strength either straight from the field or from a sample of larger diameter. The wall thickness is maintained 1. 6 mm with an area ratio 17 per cent. Both relieved and unrelieved sampling tubes are available. In the relieved type of tube, the internal diameter is relieved by about 0. 5 mm (inside clearance 2%) beyond 19 mm length from the cutting edge of the tube. This is most suitable for highly cohesive soils. In the unrelieved type, the internal diameter is uniform through out. This type is most suitable for soils of low cohesion. These 38 mm dia tubes are available in different lengths.