Abstract
The elastic behaviour of a long flexible cylinder buried in an infinite elastic medium and acted on by uniform hoop compressions is examined. A simplified solution is obtained, which can be used to accurately and efficiently determine the cylinder response. The simplified theory is used to obtain a parametric solution to the cylinder buckling problem. The effects of interface condition, elastic ground parameters, load behaviour, and finite thickness on the critical hoop compression are considered. A straightforward method is developed for predicting the prebuckling displacements and bending moments which result from the influence of initial geometrical imperfections and nonhydrostatic field stresses.
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