The Assembling Art and Operation in Fields of Type-36-2 Borehole Deformeters

The assembling of a borehole deformeter is introduced in detail. Surface processing of transducers and the art of sticking strain gauges and the techanological process of operation and the requirements for performance check are presented. The operating method of 36-2 borehole deformeters used in field measurements for stresses in rock is stated.