METHOD FOR OPENING OF TRENCH AND LIFTING OF UNDERGROUND PIPELINE IN PROCESS OF DISMANTLING AND CAPITAL REPAIR

摘要

FIELD: construction.;SUBSTANCE: method for opening of trench and lifting of underground pipeline in process of dismantling and capital repair includes ripping and removal of vegetable and mineral filling soil. Lifting of pipeline and its laying onto soil surface along trench axis. Besides ripping and removal of vegetable and mineral filling soil is done synchronously by motion of multi-row trolley suspension and lifting of pipelines by rippers connected to tractors.;EFFECT: reduced resistance to pipeline withdrawal and increased labour intensity.;1 cl, 1 dwg