Buckling phenomenon for imperfect pipe under pure bending

Yudo, Hartono; Yoshikawa, Tomohiro

doi:10.1007/s00773-015-0324-3

Cited by 6 publications

(1 citation statement)

References 3 publications

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“…Yudo and Yoshikawa [5] has already investigated the imperfect pipe subjected to bending, the reduction of buckling strength due to imperfection is little bit greater in the case of large D/t than of smaller D/t.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the buckling moment on rectangular hollow pipe under pure bending load

2018

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Abstract. Not only the circle hollow pipe but also the rectangular hollow pipes are used on offshore structure. In this study, the bending moment was given at both end of pipe. The strength of buckling moment can be reduced by increasing the length. The rectangular pipe models are varying from a/b = 1, 2, 4; a/t = 10, 15, 20 and L/a = 10, 15, 20. On the rectangular pipe which is have larger rectangle area (a/b), have the larger deformation. Vice versa on the rectangular pipe which is have smaller rectangle area (a/b), as though on a/b = 2 and a/b = 4 which is have smaller deformation. The conclude that is the larger one of rectangle area then the oval deformation is large too. The buckling strength will increase with decreasing a/b and deformation at mid span will be increase. The buckling strength decrease with increasing of L/a and a/t. The strength of the buckling moment in the elastic state will decrease with increasing of a/t and a/b. For a/b = 1, the strength of buckling moment will tend to be equal at L/a = 10-20. Pipe with increasing of a/t, L/a and a/b will be elastic.

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Section: Introductionmentioning

confidence: 99%