Abstract
The use of quick-assembly (collapsible) pipelines is one of the effective ways of supplying water for periodic irrigation of agricultural land, especially when using highly worn-out existing irrigation systems. As a result of studies of the physicochemical properties of composite materials, the authors have proposed a linear element design of a collapsible pipeline, the principal technical solutions of which take into account the experience of operating domestic and foreign collapsible pipelines in irrigation systems. A feature of the proposed linear element is the one-piece construction of a pipe made of composite material without welds and joints with rigidly connected reinforcing metal nodes located in areas of increased load. The characteristics of composite materials obtained during the experiment (exemplified by fiberglass made using various types of hardeners) make it possible to predict an increase in the stability and operation safety of a collapsible pipeline made of composite materials due to possible bending with a smaller radius (compared with similar steel pipelines) when laying it on highly rugged terrain.
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