Thermal ice pressure on structures in ice covers

Författare: Lennart Fransson; Luleå Tekniska Universitet; []

Nyckelord: ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Structural Engineering; Konstruktionsteknik;

Sammanfattning: A method to estimate thermal ice pressure is proposed. Temperature-history and stress-history in a confined ice sheet heated at the surface is illustrated with numerical examples. Material parameters for columnar lake ice has been evaluated from classical laboratory experiments and a field program presented here. A Young´s modulus of 5 GPa was obtained from pressure measurements in a well confined and uncracked ice sheet....

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