CASPIAN JOURNAL
MANAGEMENT AND HIGH TECHNOLOGIES
Modeling of Stress-Strain State for a Section of the Main Gas Pipeline Used in Non-Cohesive Soils
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Read | Arbuzov Yuriy A., Belov Sergey A., Miklush Alexander S., Ridchenko Alexander N., Voevodin Ilya G. Modeling of Stress-Strain State for a Section of the Main Gas Pipeline Used in Non-Cohesive Soils // Caspian journal : management and high technologies. — 2013. — №1. — pp. 31-36. |
Arbuzov Yuriy A. - Ph.D. (Engineering), Chief Engineer – First Deputy General Director, “Gazprom Transgaz Nizhny Novgorod” Ltd. Co., 11 Zvezdinka St., Nizhny Novgorod, 603950, Russian Federation, rbzv_r_lksvch@mail.ru
Belov Sergey A. - Head of Department of Labor Protection and Industrial Safety, “Gazprom Transgaz Nizhny Novgorod” Ltd. Co., 11 Zvezdinka St., Nizhny Novgorod, 603950, Russian Federation, rbzv_r_lksvch@mail.ru
Miklush Alexander S. - Leading Design Engineer of the First Category, Production and Commercial Company “Vertical” Ltd., 6 Sezzhinsky pereulok, Moscow, 105120, Russian Federation, mklsh_lksndr_srgvch@mail.ru
Ridchenko Alexander N. - Chief Engineer, “Stroynadzordiagnostika” Ltd. Co., Production Base, Kartino village, Leninsky district, Moscow Region, 142715, Russian Federation, rdchnk_lksndr_nklvch@mail.ru
Voevodin Ilya G. - Ph.D. (Engineering), Associate Professor, Astrakhan State University, 20a Tatishchev St., Astrakhan, 414056, Russian Federation, vvdn_l_gnndvch@mail.ru
The article presents a mathematical model for calculating the technological parameters needed to repair main gas pipelines in non-cohesive soils. The model, with the help of anchor devices, uses the elements of the ’fuzzy set’ theory and relies on research covering the stress-strain state of the pipelines. The mathematical modeling relates to the longitudinal forces acting on the pipeline by presenting a methodology for measuring objective loss of stability. The study reveals that longitudinal and transverse forces have a significant effect on the critical mathematical values, affecting not only the anchors’ general retention capacity but also the possible difference in their load capacity. The paper suggests methods for assessing the anchors’ impact on the quality of construction and installation, and for installing devices that address the operational reliability challenges of the pipeline section located in non-cohesive soils. This approach, in conclusion, is designed to strengthen the reliability of the calculation’s deterministic numerical algorithms in order to boost the overall stability of the pipeline construction.
Key words: main gas pipeline,anchor devices,non-cohesive soils,retention capacity,longitudinal and transverse load