... generate greater vertical load onto the structure, increasing the sliding resistance. This paper presents an evaluation of the ultimate lateral load capacity of the piled foundation at large displacements. Centrifuge model tests were compared to numerical modelling results and to reduce the uncertainty...

... iceberg failure processes and the second evaluated the transverse flowline motion when a free-floating keel snags a flexible pipe laid on the seabed. marginal field development flowline offshore pipeline grand bank displacement interaction cable strength technology conference investigate...

..., an alternative strategy to mitigate tension transfer to downstream and upstream assets is discussed. friction coefficient project management interaction event weak link interaction strategic planning and management upstream oil & gas keel displacement hold-back location technology conference...

...-based design is generally used for Arctic subsea pipelines due to the extreme displacement-controlled loading conditions. This paper will discuss the evolution of the design considerations and methodologies for Arctic subsea pipelines subjected to the unique Arctic environmental loadings...

... displacement laminate numerical model experiment 13 indenter shell element impact scenario field trial ice load strain profile frp laminate thickness simulation test frame ice concentration lifeboat technology conference References References Hallquist , J. O. 2006 . LS-DYNA...

... event performance indicator stress-time history loading event subsea system ice class grillage displacement maximum stress event 1 fpso upstream oil & gas history grillage event 2 tanker ship strategic planning and management floating production system benchmarking operation von...

... shore crossings, the industry has "been there and done that" safely. technology conference settlement photo courtesy shoreline erosion natural resource flowline displacement transition expansion loop erosion installation permafrost us government consideration thaw settlement...

... conservatism in designs. axial strain conventional pipe-soil interaction model individual pipe technology conference offshore technology conference displacement upstream oil & gas bundle model individual model bundle water injection stiffness offshore pipeline interaction permafrost...

... in future test programs. proceedings sudom gouging scenario offshore pipeline engineering displacement international conference investigator information midstream oil & gas test program upstream oil & gas gouge depth seabed gouging test setup barrette physical test database...

... tray was displaced horizontally, causing the bottom of the ice keel to interact with an artificial seabed. A total of ten keel tests were conducted in this test program. The parameters varied were the initial temperature of the ice (−3° and −18°C), the initial surcharge pressure (5–60 kPa), the soil...

... simulation ice concentration displacement ice floe size ice field subsea system fpso force level simulation domain reservoir simulation floe floe size arctic floater position otc 24549 scenario simulation floater boundary condition mooring system arctic floater validation run ice floe...

.... rock berm upstream oil & gas force ratio ice rubble shear strength kpa strength rubble fea friction angle shear resistance keel displacement otc 24629 shear strength ice rubble ice rubble keel OTC 24629 First Year Ice Rubble: Shear Resistance & Rock Berm Interaction Ryan Phillips...

... wedge surcharge horizontal distance computed potential failure mechanism drilling equipment stability analysis potential failure mechanism failure mechanism stability sediment seafloor surcharge displacement mlc wall safety factor mud line cellar mlcsurcharge system OTC 23750 Numerical...

... response along theaxial, lateral and vertical pipe axes. The soil spring load-displacementrelationship is generally defined by bilinear or hyperbolic expressions as afunction of the peak load and displacement at peak load. For large deformationground movement events; such as ice gouging or seismic fault...

... issues. test 4 upstream oil & gas test 1 numerical analysis caisson centrifuge test interaction keel scour depth offshore technology conference friction angle test 3 keel location numerical modeling strut protection structure otc 23789 displacement OTC 23789 Physical...

... for the probabilisticassessment of pipeline cover depth using a GIS-based decision-support-systemfor route planning. ice gouging keel ice gouging ryan phillips assessment technology conference displacement offshore technology conference interaction offshore pipeline physical model test phillips gouge force...

... in this paper. displacement assembly actuator rubble otc 23792 load cell strength keel test program soil tray ice keel surcharge ceiling soil bed physical testing method berm ice tank facility resistance upstream oil & gas construction test frame OTC 23792 Physical Testing...

... and the required further developments for thecurrent technology to enable the industry to better evaluate the risk of icegouging. interaction sub-gouge deformation international conference centrifuge test upstream oil & gas piping simulation vertical displacement stiffness piping design soil...

... oflong-term testing, the test piles were unloaded, rested, and then loaded tofailure to characterize the adfreeze short-term strength. Pile load anddisplacement were continuously recorded with electronic displacement and loadtransducers. Subsurface soil temperatures were also monitored. Collected datawas...

... of mechanical damagethrough a broader parameter study and assess effects on fatigue lifeperformance. plain dent internal pressure procedure mechanical damage essential boundary condition dent feature midstream oil & gas dent depth radial displacement integrity displacement boundary...