Residual welding stress of I-section members beyond the limits of width-thickness ratio
DOI:
https://doi.org/10.3221/IGF-ESIS.41.49Keywords:
Steel structure, Residual stress, Material grade, Width-thickness ratio, principle of blind hole drilling, I-shaped membersAbstract
Despite the extensive studies on the effect of width-thickness ratio and residual stress on member behavior, few scholars have probed into the residual stress distribution on the I-section members. Based on the principle of blind hole drilling, this paper conducts an experimental study of the residual welding stresses of eight welded I-shaped members. Through the analysis of the test results, the author draws the following conclusion: it is safe to use I-section members beyond the limits of width-thickness ratio because the residual stress distribution is not severely affected by width-thickness ratio.
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