ANALYSIS OF OFFSHORE PIPELINE, ALLOWABLE FREE SPAN LENGTH

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YEGANEH BAKHTIARY A.; GHAHERI A.; VALIPOUR R.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF CIVIL ENGINEERING Year:2007 | Volume:5 | Issue:1 Page(s): 84-91

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Information Journal Paper

Title

ANALYSIS OF OFFSHORE PIPELINE, ALLOWABLE FREE SPAN LENGTH

Author(s)

YEGANEH BAKHTIARY A. | GHAHERI A. | VALIPOUR R. | Issue Writer Certificate

Keywords

OFFSHORE PIPELINES

FREE SPANNING

ALLOWABLE LENGTH

MODAL ANALYSIS

AND PIPE RESONANCE

Abstract

Determination of allowable free span length plays a crucial role in design of OFFSHORE PIPELINES. The seabed intervention cost and safety of an OFFSHORE PIPELINES project are largely influenced bypipelines FREE SPANNING during the project lifetime. Different criteria are proposed by both the current designing guidelines and researchers; there is however lack of comprehensive assessment of independent parameters affects the design length of free span. In this note, it is intended to investigate the effects of seabed formation along with axial force on Natural Frequency of OFFSHORE PIPELINES. Based on this assessment a new simple formula is proposed. Finally, to evaluate the result of this study, the allowable free span length of Qeshem Islgnd pipelines is calculated as a case study and compared with those of the DNV (1998) and ABS (2001) guidelines and the MODAL ANALYSIS.

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APA: Copy

YEGANEH BAKHTIARY, A., GHAHERI, A., & VALIPOUR, R.. (2007). ANALYSIS OF OFFSHORE PIPELINE, ALLOWABLE FREE SPAN LENGTH. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, 5(1), 84-91. SID. https://sid.ir/paper/271748/en

Vancouver: Copy

YEGANEH BAKHTIARY A., GHAHERI A., VALIPOUR R.. ANALYSIS OF OFFSHORE PIPELINE, ALLOWABLE FREE SPAN LENGTH. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING[Internet]. 2007;5(1):84-91. Available from: https://sid.ir/paper/271748/en

IEEE: Copy

A. YEGANEH BAKHTIARY, A. GHAHERI, and R. VALIPOUR, “ANALYSIS OF OFFSHORE PIPELINE, ALLOWABLE FREE SPAN LENGTH,” INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, vol. 5, no. 1, pp. 84–91, 2007, [Online]. Available: https://sid.ir/paper/271748/en

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