URL：https://www.researchgate.net/publication/329291526/figure/fig2/AS:960130225012746@1605924292665/Considered-cross-sections-with-the-web-height-hdocumentclass12ptminimal_Q320.jpg
掲載元：https://www.researchgate.net/figure/Considered-cross-sections-with-the-web-height-hdocumentclass12ptminimal_fig2_329291526
