Sydorenko V. Development of methods and means for geomechanical investigations in mining regions

There hes been claimed the emperical influence of mining on the condition of the compilation survey stations; and the need for search for essentially new methods and means of survey and geodetic mintenance of mining has been proved. The adventage of measuring systems based on the aplication of fibre-optical directional coupler heve been theretically predicted and experimentally prjved Measuring systems based on the transducers on the incidental of transmitted light with modulation of the light intensity have been developed. The rock deformation rate hes been proved to influence on the light capacity of the device. The application of interferometric fibre-optical system of recording in serveyng proved to be expedient,accuracy being not less then. Based on the investigations of the opportunities of the optical measuring system there heve been worked outessentially new methods and devices to record rock desplacement under the affect of mining.