Closure by Zdeněk P. Bažant,5 Fellow, ASCE

• Main Authors: Jang Jay, H. Kim
• Other Authors: The Pennsylvania State University CiteSeerX Archives
• Format: Text
• Language: English
• Subjects: Sea ice
• Online Access: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.694.2888; http://www.civil.northwestern.edu/people/bazant/PDFs/Papers/D17.pdf

freshwater and sea ice may influence the failure load. How-ever, the discusser considered creep properties of freshwater and saline ice and did not find much deviation between a line (Pf} h2) and the estimated failure loads (Sodhi 1995a). The dependence of failure loads on salinity of ice appears to be a secondary effect, but its dependence on h2 is supported by the strength failure criterion (Bazant 1993) because of creep de-formation during wedging action. On page 1322, the authors state: ‘‘Sea ice exhibits creep, and the effective fracture energy as well as the strength de-pends on the rate of crack growth.’ ’ Analysis of this problem incorporating creep will require abandoning LEFM, on which they base their present conclusions.