... to undrained) for several rapid soil–structure interaction problems in dilative sand, including piezocones, spudcans and plate anchors. Centrifuge Modeling Physical testing was conducted in C-CORE's 5.5 m beam centrifuge. A series of nine centrifuge tests were conducted at 16.2g, with a model rigid pipe...

... ) in predicting the embedment loss: centrifuge tests from SEPLA JIP (2006) , centrifuge tests from Gaudin et al. (2009) , drum centrifuge tests from O'Loughlin et al. (2006) and Song et al. (2009) , large deformation FE analyses from Wang et al. (2011) and Tian et al. (2015) . The compiled...

... of the mooring systems. The potential reduction of the anchor capacity, estimated by means of 3D finite element (FE) calculations, needs to be verified by means of testing, and this is the objective of the study presented here. The paper describes the IFSTTAR geotechnical centrifuge test facility and the model...

... approximately 360 ft (~110 m) through the touchdown region to the anchor point. The centrifuge tests were successfully performed using soils from the Gulf of Mexico (GoM) and offshore Angola. Past studies have demonstrated that fatigue damage in a full-scale SCR at touchdown zone can accurately be modeled using...

... series 1 centrifuge test Abstract Well fatigue assessment is an important aspect of the design and integrity assurance of deepwater riser-well systems. Fatigue damage arises from stress changes in a conductor due to cyclic loading. In practice, the lateral cyclic soil response is typically...

... conceptual model bearing capacity upstream oil & gas artificial intelligence strength university equation friction angle kpa centrifuge test sand layer subsea system conceptual model western australia otc 20012 sand thickness resistance OTC 20012 New Simplified Conceptual Model...

... jack-up rigs to be installed safely at hazardous locations. drilling equipment lower layer penetration bearing capacity spudcan foundation shear strength plug mechanism ldfe analysis penetration resistance offshore technology conference centrifuge test subsea system diameter...

... for such specialist laboratory and in-situ pipe-soil testing has evolved rapidly in the past few years, driven by project demands and the SAFEBUCK JIP. The three pipe-soil modelling studies were: Large-scale tank tests conducted at the Norwegian Geotechnical Institute (NGI); Small-scale centrifuge tests conducted...

...., fax 01-972-952-9435. Abstract This paper presents partial results of two series of centrifuge tests that were performed on suction anchors. The first series addressed the specific conditions of the Mad Dog Cluster 2 anchors on the Sigsbee Escarpment (Berger et al 2006, Jeanjean et al 2006...

... capacity that can be relied upon for various durations of loading on suction caissons. The paper addresses issued related to the reduction in holding capacity due to pore pressure dissipation effects. The combined results from finite element analysis and two independent sources of centrifuge testing...

... anchoring system indicate that in soft soils, such as clay and silt, the current analysis methods may significantly overpredict the mooring line forces. This paper describes numerical tools developed considering the anchor-chain-soil interaction effects. Centrifuge tests have also been conducted in order...

... of where and by whom the paper is presented. Abstract Centrifuge tests of single jack-up legs on sand seabeds have been used to improve and extend an analytical model of jack-up foundation behavior previously proposed in a joint industry study (3). These enhancements are hased on the data analyzed to date...

... not be copied. The abstract should contain conspicuous acknowledgment of where and by whom the paper is presented. 1References and figures at the end of the paper Abstract The behaviour of deep skirts in clay has been stud, ied by performing centrifuge tests. A circular skirt pile with length 36 m, inside...

... for the centrifuge tests contained top and base load cells and a base pore pressure transducer. They were manufactured from type 316 stainless steel and were 500mm long and 25mm diameter. The pile shaft had a surface asperity of about 5 microns, consistent with that for cone penetrometers. The pile was essentially...

...-dimensional tests are now being conducted and will be described and analysed in a later publication. CENTRIFUGE TESTS In the centrifuge, the same unit stresses that exist in a full-scale structure can be produced at corresponding points in a small scale model by crea- ting an artificial gravity field, Ng...

... offshore technology conference platform relative stiffness factor upstream oil & gas centrifuge test manchester case study lateral load analysis displacement pile group knowledge management university texas aTe 4504 Lateral Response of a Group of Large Diameter Piles-A Case Study...

.... The lack of field data is primarily due to the difficulty and expense of conducting experimental parametric studies on full size piles. These difficulties an be overcome by resorting to centrifugal testing. Barton 4 conducted lateral loading tests on single piles and pile groups in the Cambridge...