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Evaluation of Horizontal Force on Pile Shaft Surrounded by Vertical PET Aggregate Layer for Fluid Machinery Structure Installation in Cold Region's Plant
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 Title & Authors
Evaluation of Horizontal Force on Pile Shaft Surrounded by Vertical PET Aggregate Layer for Fluid Machinery Structure Installation in Cold Region's Plant
Ji, Subin; Jang, Sung Min; Hwang, Soon Gap; Lee, Kicheol; Kim, Dongwook;
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 Abstract
Pile foundations constructed on extremely cold regions cause serviceability problems of superstructures from repeated actions of ground freezing and thawing. Oil sand module plants are mainly constructed on seasonal frozen ground. Due to the freezing and thawing actions of grounds, vertical movements of piles have been observed. To solve these erratic pile movement problems, thin vertical layer of PET aggregates is installed around the pile shaft to prevent potential unfavorable pile movements. There is no known method to calculate "thin PET aggregate layer" -surrounded pile shaft resistance (capacity) against vertical loads; therefore, this experimental research is conducted. Specifically, in this study, horizontal (normal) pressures on pile shaft were assessed varying PET aggregate layer thickness based on the experiment.
 Keywords
Oil Sand;Pile;PET Aggregate;Frost Heave;Shaft Resistance;
 Language
Korean
 Cited by
 References
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