Dynamic Response Simulation of SCR in TDZ Considering the Soil Property

Gan Li; Xiao Ping Huang

doi:10.4028/www.scientific.net/AMM.226-228.1377

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 226-228Dynamic Response Simulation of SCR in TDZ...

Dynamic Response Simulation of SCR in TDZ Considering the Soil Property

Abstract:

The pipe-soil interaction problem is a critical issue in the fatigue analysis of SCR. In this paper, investigation on the initial trench configuration in the touchdown zone (TDZ) of the steel catenary riser (SCR) and factors, which have influence on the trench configuration, such as the amplitude of top end motion were performed firstly. Then the bending moment variation at different points along the trench during the pull up and lay down, the trenches and dynamic response at the touchdown point (TDP) under different soil properties were also investigated. It should be noted that the pipe around the TDZ especially at the TDP, which bears the most drastic bending moment variation and stress variation, is the hot spot in the fatigue analysis of SCR, and the soil properties have big influence on the dynamic stress response amplitude.

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Periodical:

Applied Mechanics and Materials (Volumes 226-228)

Pages:

1377-1381

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.226-228.1377

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Online since:

November 2012

Authors:

Gan Li, Xiao Ping Huang

Keywords:

Dynamic Response, Pipe-Soil Interaction, SCR, Soil Properties, TDZ

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