Analysis on Interface Shear Stress of Thermally InsulatedOcean Pipelines Under Installation

被引：0

作者：

闫澍旺 ^{[1
]}

田英辉 ^{[1
]}

刘润 ^{[1
]}

王章岭 ^{[2
]}

王金英 ^{[3
]}

机构：

[1] School of Civil Engineering, Tianjin University

[2] China Ocean Oil Engineering Corporation Ltd. 3. China National Ocean Oil Corporation Ltd.

来源：

China Ocean Engineering | 2006年 / 02期

关键词：

thermally insulated pipelines; shear stress; installation; binding force;

D O I：

暂无

中图分类号：

P756.2 [水下管道];

学科分类号：

0814 ; 081505 ; 0824 ; 082401 ;

摘要：

It has been proved that the thermally insulated ocean pipeline has advantages over the conventional pipe-in-pipe pipeline. The risk of using the thermally insulated pipeline is that the exterior layers covering the steel pipe may be pulled off if the shear stress on the interface induced by the pullout force from the tensioner is greater than the binding force between two neighboring layers during installation. This paper develops a procedure to calculate the shear stress on the interface. The binding force between two neighboring layers can be determined with full scale model tests. The safety of the thermally insulated pipe under installation can then be checked by comparison of the interface shear stress with the binding force.

引用

页码：315 / 323

页数：9

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