FIELD: pipeline making.
SUBSTANCE: group of inventions relates to the field of trenchless pipe laying. The system contains a pneumatic rammer made with the possibility of provision of an impact force for a pipe section, the main jack frame connected to the pneumatic rammer, one or more hydraulic jacks connected to the main jack frame and made with the possibility of provision of a static hydraulic force for the pipe section, and a set of guide rails connected to the main jack frame, wherein the set of guide rails provides sliding of the main jack frame in a longitudinal direction. Moreover, the main jack frame contains a surface for a direct contact with the pipe section and its compression, and the static hydraulic force is combined with the impact force for movement of the pipe section under the ground.
EFFECT: trenchless laying of pipes of a wide range of diameters in a wide range of soil conditions, in particular in unstable, sandy, and incoherent soils in the presence of ground water or in strongly heterogenous soils along roads.
21 cl, 12 dwg
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