Condition detection of pipeline holding in mine shafts by the corrosive wear criterion

The pipeline holding structure in application in potash mine shafts is briefly described. The current strength and stability design parameters for the mine shaft metalwork are specified. The current regulations and procedures for the pipeline holding system design in mine shafts are discussed. It is required to take into account the increased corrosive wear as a key factor of influence on the actual operating condition of continuous-duty metalworks in the aggressive environment of potash mine shafts. The maximum permissible corrosive wear notion is introduced as a criterion of operating condition of pipeline holding in mine shafts. The algorithm of calculating the maximum permissible corrosive wear of pipeline support beams in mine shafts is proposed. The sample calculated results of the maximum permissible corrosive wear of pipeline holding in long-duty shafts in potash mines are presented. The applied relevance of the obtained maximum permissible corrosive wear values is proposed for both operating and new-design structures of pipeline holding in potash mine shafts. The maximum permissible corrosive wear algorithm is given for long-duty holding of pipelines.

Pestrikova V. S., Tarasov V. V., Ivanov O. V. Condition detection of pipeline holding in mine shafts by the corrosive wear criterion. MIAB. Mining Inf. Anal. Bull. 2022;(10):7887. [In Russ]. DOI: 10.25018/0236_1493_2022_10_0_78.

V.S. Pestrikova¹, Cand. Sci. (Eng.), Leading Researcher, e-mail: Varvara.Pestrikova@uralkali.com, ORCID ID: 0000-0002-6599-0493,
V.V. Tarasov¹, Cand. Sci. (Eng.), Head of Laboratory, e-mail: Vladislav.Tarasov@uralkali.com, ORCID ID: 0000-0002-3431-7028,
O.V. Ivanov¹, Leading Engineer, e-mail: Oleg.Ivanov2@uralkali.com, ORCID ID: 0000-0001-6566-4375,
¹ Joint Stock Company VNII Galurgii, 614002, Perm, Russia.

V.S. Pestrikova, e-mail: Varvara.Pestrikova@uralkali.com.

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