TY JOUR TI ROBOT MOLE FOR TRENCHLESS LAYING OF UNDERGROUND PIPELINES KW mole robot KW laying KW pipelines KW transfer platform KW screw drill KW parameters KW density KW soil KW results KW modeling JO Transport engineering AU Rukavitsyn, A.N. AU Politov, E.N. AU Klimova, A.R. PY 2024 IS 2024 PB Bryansk State Technical University