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1 January 2015 Force Analysis of an Anchored Inshore Pipeline
Shifu Zhang, Lianghua Liu, Qixin Zhang
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Zhang, S.; Liu, L., and Zhang, Q., 2015. Force analysis of anchored inshore pipeline.

This paper mainly analyzes the optimal anchorage length of a straight-laid inshore pipeline. To begin with, several ways of how to fix a pipe are ticked off, and the way with discontinuous anchor is chosen for the specific analysis. Mathematical model is built to analyze the stress state of the pipeline, which is fixed with the screw anchor, and the main failure mode of pipeline-excessive-yield-failure mode-is checked; thus we gain the maximum anchorage distance of the pipeline. To get a more exact result, a finite element model of the pipeline is built. With the software ANSYS, the model is analyzed under wave conditions. The results reveal that the maximum anchorage distance differ in different determinants, namely distance, stress and strain; the stress of the pipeline first exceeds the allowable range when anchorage distance increases.

© 2015 Coastal Education and Research Foundation
Shifu Zhang, Lianghua Liu, and Qixin Zhang "Force Analysis of an Anchored Inshore Pipeline," Journal of Coastal Research 73(sp1), 527-532, (1 January 2015).
Received: 10 August 2014; Accepted: 1 November 2014; Published: 1 January 2015
anchorage length
finite element
force analysis
Inshore pipeline
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