Behaviour of square-to-square tubular joints subjected to basic and combined loadings
This work presents a systematic study of stresses in square-to-square tubular joints. The stress concentration factors at the weld toe for a large geometrical sets of T/Y square-to-square tubular joints were determined by extensive finite element analysis. These cover a wide range of joint geometrie...
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| Format: | Theses and Dissertations |
| Language: | English |
| Published: |
2009
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| Online Access: | http://hdl.handle.net/10356/19845 |
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| Institution: | Nanyang Technological University |
| Language: | English |
| Summary: | This work presents a systematic study of stresses in square-to-square tubular joints. The stress concentration factors at the weld toe for a large geometrical sets of T/Y square-to-square tubular joints were determined by extensive finite element analysis. These cover a wide range of joint geometries subjected to axial, in-plane-bending and out-of-plane-bending moments. The results form the basis for developing the parametric formulae. For each mode of loading, on both the chord and brace sides at the brace/chord intersection, a set of parametric equations were developed. These formulae relate the stress concentration factors to a parametric function of the joint geometries. |
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