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PRCI PR-194-719
- Energy Based Pipe-Soil Interaction Models
- Report / Survey by Pipeline Research Council International, 06/01/1988
- Publisher: PRCI
$6.00$12.00
L51570e
SINTEF of Norway
Need: The purpose of this project was to complete a handbook with practical design procedures for submarine pipeline on-bottom stability. The remaining part of the handbook was primarily a description of the interaction between non-trenched pipelines and the seabed where the pipelines were free to move under environmental loading.
Result: The objective of this project was to determine the lateral soil resistance forces on a pipeline moving cyclically during hydro-dynamic loading. To meet the goal, full-scale pipe-soil interaction tests were conducted. The models presented in this report are based on the results and general understanding obtained from 110 experimental tests of pipe-soil interaction on loose and dense sand, and soft clay. Raw data from 29 experimental tests on stiff clay in the PIPESTAB project have been qualitatively considered.
Benefit: The soil resistance models, that cover both sands and clays, are included and implemented in the PRCI pipeline response simulation program "Submarine Pipeline On-Bottom Stability Simulation Software" designed and developed by Brown & Root, Houston under contract for the PRCI. The purpose of developing the soil models was to predict, as accurately as possible, the lateral soil resistance to any arbitrary lateral pipeline motion.
SINTEF of Norway
Need: The purpose of this project was to complete a handbook with practical design procedures for submarine pipeline on-bottom stability. The remaining part of the handbook was primarily a description of the interaction between non-trenched pipelines and the seabed where the pipelines were free to move under environmental loading.
Result: The objective of this project was to determine the lateral soil resistance forces on a pipeline moving cyclically during hydro-dynamic loading. To meet the goal, full-scale pipe-soil interaction tests were conducted. The models presented in this report are based on the results and general understanding obtained from 110 experimental tests of pipe-soil interaction on loose and dense sand, and soft clay. Raw data from 29 experimental tests on stiff clay in the PIPESTAB project have been qualitatively considered.
Benefit: The soil resistance models, that cover both sands and clays, are included and implemented in the PRCI pipeline response simulation program "Submarine Pipeline On-Bottom Stability Simulation Software" designed and developed by Brown & Root, Houston under contract for the PRCI. The purpose of developing the soil models was to predict, as accurately as possible, the lateral soil resistance to any arbitrary lateral pipeline motion.
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