地震波作用下半无限地下管道的振荡

IF 0.3 Q4 MECHANICS

Moscow University Mechanics Bulletin Pub Date : 2024-03-23 DOI:10.3103/S0027133023060043

S. E. Nosov

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引用次数: 0

摘要

摘要针对半无限地下管道和弹性土壤因纵向地震波沿其轴线传播而引起的联合非稳态振荡问题，给出了管道端部夹紧情况下的精确解析解。研究了地震波传播的亚音速和超音速模式下出现的应力应变状态。研究结果可用于计算石油和天然气管道在地震荷载下的变形。

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Oscillations of a Semi-Infinite Underground Pipeline under Action of a Seismic Wave

An exact analytic solution to the problem of joint nonstationary oscillations of a semi-infinite underground pipeline and elastic soil caused by the propagation of a longitudinal seismic wave along its axis is obtained in the case when the pipeline end is clamped. The emerging stress-strain state for subsonic and supersonic modes of seismic wave propagation is studied. The results of this study can be used to calculate the deformation of oil and gas pipelines under seismic loads.

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来源期刊

Moscow University Mechanics Bulletin MECHANICS-

CiteScore

0.60

自引率

0.00%

发文量

期刊介绍： Moscow University Mechanics Bulletin is the journal of scientific publications, reflecting the most important areas of mechanics at Lomonosov Moscow State University. The journal is dedicated to research in theoretical mechanics, applied mechanics and motion control, hydrodynamics, aeromechanics, gas and wave dynamics, theory of elasticity, theory of elasticity and mechanics of composites.