Application of Composite Wraps for Strengthening of Buried Steel Pipelines Crossing Active Faults

被引:14
作者
Trifonov, Oleg V. [1 ]
Cherniy, Vladimir P. [1 ]
机构
[1] Res Inst Nat Gases & Gas Technol GAZPROM VNIIGAZ, Moscow 142717, Russia
来源
JOURNAL OF PRESSURE VESSEL TECHNOLOGY-TRANSACTIONS OF THE ASME | 2016年 / 138卷 / 06期
关键词
WOVEN FABRIC COMPOSITES; BEHAVIOR; FAILURE; PIPES; DESIGN; MODEL;
D O I
10.1115/1.4032915
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
In the paper, the efficiency of strengthening of a buried steel pipeline with a composite wrap subjected to an active faults action is analyzed. A three-dimensional numerical model of the pipeline is developed. The pipeline is considered as an elastoplastic steel shell, while the composite wrap is represented as an orthotropic elastic shell. The model takes into account the elastoplastic behavior of soil, contact interaction between the soil and the pipe, large inelastic strains, distortion of the pipeline cross section, and local buckling formation. A normal-slip fault kinematics with large fault offsets is considered in numerical modeling. The effect of the wrap thickness, length, and position relative to the fault plane is analyzed.
引用
收藏
页数:8
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