| 摘要 |
FIELD: construction.SUBSTANCE: method in accordance with the first version includes formation of a pilot well along a design axis of the installed utility, expansion of the pilot well to the design diameter by damage of soil with the help of a working element connected with a drilling rod, and transportation of products of damage by means of a pipeline connected with a free end of the working element as the latter rotates around the longitudinal axis, for this purpose pressure is pulled at the open end of the pipeline below the atmospheric pressure with the help of a vacuum-forming device. The method in accordance with the second version differs from the method in accordance with the first method by the fact that transportation of damage products is carried out with the help of a drilling rod.EFFECT: increased efficiency of a working process due to usage of process equipment, principle of operation of which provides for rational use of installed capacity.3 cl, 2 dwg |
