The estimation of the metal collapsible pipeline limit displacements from its zero position

Abstract

These days special oil pipelines, which are made with the conesocket connection technology, are widely used. However, it is still not clear how these pipelines react under the influence of forces. Also, there is no data, which could be used to estimate the possibility of pipeline usage after the impact of these forces. The main idea of this article is to find such limit displacements from the pipeline zero position, which would ensure the possibility of the pipeline usage in future. In such case this article uses the methods for finding the equivalent model of the conesocket connection and estimating the values of contact stresses. The result described in the article provides limit transverse displacements data by the number of the linked joints, which ensure the possibility of the pipeline usage in future, if they are not reached during the operation. The results provided in this article will enable to estimate the oil pipeline performance, repair and replacement.