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ARTICLE

Impact Damage Testing Study of Shanxi-Beijing Natural Gas Pipeline Based on Decision Tree Rotary Tiller Operation

Liqiong Chen1, Kai Zhang1,*, Song Yang1, Duo Xu1, Weihe Huang1, Hongxuan Hu2, Haonan Liu2
1 School of Petroleum and Natural Gas Engineering, Southwest Petroleum University, Chengdu, 610500, China
2 National Pipe Network Group Southwest Pipeline Co., Chengdu, 610500, China
* Corresponding Author: Kai Zhang. Email: email

Structural Durability & Health Monitoring https://doi.org/10.32604/sdhm.2024.049536

Received 10 January 2024; Accepted 03 April 2024; Published online 29 May 2024

Abstract

The North China Plain and the agricultural region are crossed by the Shanxi-Beijing natural gas pipeline. Residents in the area use rototillers for planting and harvesting; however, the depth of the rototillers into the ground is greater than the depth of the pipeline, posing a significant threat to the safe operation of the pipeline. Therefore, it is of great significance to study the dynamic response of rotary tillers impacting pipelines to ensure the safe operation of pipelines. This article focuses on the Shanxi-Beijing natural gas pipeline, utilizing finite element simulation software to establish a finite element model for the interaction among the machinery, pipeline, and soil, and analyzing the dynamic response of the pipeline. At the same time, a decision tree model is introduced to classify the damage of pipelines under different working conditions, and the boundary value and importance of each influencing factor on pipeline damage are derived. Considering the actual conditions in the hemp yam planting area, targeted management measures have been proposed to ensure the operational safety of the Shanxi-Beijing natural gas pipeline in this region.

Keywords

Natural gas pipeline; rotary tiller operation; third-party damage; finite element simulation; decision tree model; safety management

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