Document Type
Thesis
Date of Award
5-31-1985
Degree Name
Master of Science in Mechanical Engineering - (M.S.)
Department
Mechanical Engineering
First Advisor
Harry Herman
Second Advisor
Michael Pappas
Third Advisor
Bernard Koplik
Abstract
Columns with two types of transverse grooves are analyzed: a one-sided groove whose bottom is parallel to a vertical plane and cross-section is constant, and a concentric uniform groove. Then, for illustration and to be more specific, round columns are selected such that the cross-section becomes partially circular, for one-sided grooves and totally circular for a concentric groove. The columns are simply supported at both ends and subjected to a compressive eccentric load P at eccentricity e. The static equilibrium of such columns is studied via two types of solutions: the solution to three-segment column and a substantially simpler but approximate solution for a modi-fied model that takes into consideration the narrowness of the groove. In the modified model, the groove is replaced by an elastic spring-hinge which leads to simpler solutions not significantly different from the exact results.
Equations are obtained for determining the maximum allowable load, and corresponding graphs are presented, based on buckling or on a stress-limiting criterion. The results generated by both types of solutions agree within 5%.
Recommended Citation
Baaklini, Clovis Georges, "Buckling of some grooved columns" (1985). Theses. 3385.
https://digitalcommons.njit.edu/theses/3385
