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Buckling Experiments of Cracked Axially Compressed Cones

Journal: International Journal of Mechanical and Production Engineering Research and Development (IJMPERD ) (Vol.10, No. 3)

Publication Date:

Authors : ;

Page : 5665-5674

Keywords : : Axial Compression; Buckling; Crack Orientation; Conical Shells; Imperfection;

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The paper presents experimental studies on the buckling behaviour of axially compressed mild steel cones having crack imperfection. Three different crack orientations were considered, and they are: (i) circumferential crack (0°), (ii) angular crack (45°), and (iii) longitudinal (90°). Fifteen mild steel cones were fabricated with the following geometrical parameter: bottom radius-to-top radius ratio, r2 /r1 = 2.0; top- radius-to-thickness ratio (denoted as cone thinness ratio), r1 /t = 25; axial length-to-bottom radius ratio, L/r2 = 2.24; nominal shell thickness, t = 1 mm; cone angle, β = 12.6°. Experimental results show that increasing the crack length leads to a decrease in the collapse load of the conical shells. In addition, it can be seen from the test results that relatively thick conical shells are more sensitive to circumferential crack a compared to other crack orientation

Last modified: 2020-12-28 19:44:48