device for the filling of the trench, a trench filling method of laying a pipeline in a trench

摘要

method of filling trenches includes the automatic collection with a ledge along with u043du0430u0431u0438u0432u043eu0447u043du043eu0439 cars at least part of the excavated soilthe automatic grinding of at least part of the excavated soil with the formation of grinded material and automatic transfer of grinded ma u0442u0435u0440u0438u0430u043bu0430 in the trench.the collected material can be divided into at least two kinds of material, of which only one kind of material are, the other class of material returning t on the shoulder.shredded material may be collected for use as sand for a sand cleaning.