Seismodynamics of Underground Pipelines Interacting with Water-Saturated Fine-Grained Soil

被引：7
|
作者：
An, E. V. [1 ]
Rashidov, T. R. [1 ]
机构：
[1] Acad Sci Uzbek, Urazbaev Inst Mech & Seism Stabil Struct, Tashkent 100125, Uzbekistan
来源：
MECHANICS OF SOLIDS | 2015年 / 50卷 / 03期
关键词：
seismodynamics; stability of underground pipelines; water-saturated fine-grained soil; pipeline-saturated soil" interaction;
D O I：
10.3103/S0025654415030073
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
We suggest a rheological model of interaction between the pipeline and water-saturated fine-grained soil under the assumption that soil has viscous properties. The dynamic stability of underground pipelines interacting with such soils is investigated. Possible effects of buckling under fast longitudinal loading are revealed. The influence of geometric nonlinearity on the buckling phenomenon for pipelines located in water-saturated fine-grained soils is studied. It is shown that the dynamic instability of an underground pipeline occurring as the buckling phenomenon can only arise for a certain combination of all parameters characterizing the pipeline interaction with the soil. The results of the studies are illustrated by graphs of the maximum amplitude of the pipeline transverse vibrations depending on time and their subsequent analysis.
引用
收藏
页码：305 / 317
页数：13
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