Response of IACS URI ship structures to real-time full-scale operational ice loads

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TypeArticle
Proceedings title(ICETECH 2012) International Conference and Exhibition on Performance of Ships and Structures in Ice
ConferenceInternational Conference and Exhibition on Performance of Ships and Structures in Ice (ICETECH 2012), September 17-20, 2012, Banff, Alberta
Pages8995; # of pages: 7
SubjectPolar Sea; polar class; moving load; ice; 4D Pressure Method
AbstractMoving ice loads can incite significantly different structural responses in a steel grillage structure than can stationary ice loads. This is significant because the accepted standard for the design and analysis of ice-classed ship structures is to assume a stationary ice load (IACS URI I2.3.1). The following work utilizes the 4D Pressure Method ((Quinton, Daley, and Gagnon 2012)) to apply thirty-five of the most significant ice loads recorded during the USCGC Polar Sea trials (1982-86), to fourteen IACS URI PC1-7 classed grillages; using explicit finite element analyses. Two grillage variations for each of the seven PC classes were examined: grillages with "built T" framing and grillages with "flatbar" framing. In short, the following simulations directly employ real-time/real-space measured full-scale ice loads, and thus provide insight into the structural capabilities of the various IACS URI polar classes when subject to actual (moving) ice loads.
Publication date
PublisherCurran
LanguageEnglish
AffiliationNational Research Council Canada; Ocean, Coastal and River Engineering
Peer reviewedYes
NRC numberOCRE-IR-2012-02
NPARC number21268581
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Record identifier3f43afee-97c5-433d-8d29-06f113e7470b
Record created2013-10-22
Record modified2016-05-09
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