@inproceedings{CTT100667419, author = {山田哲 and 島田侑子 and 坂田弘安 and Muneo Hori}, title = {Collapse Behavior and Ultimate Earthquake Resistance of Weak Column Type Multi Story Steel Frame with RHS Columns under i-axial Ground Motion}, booktitle = {Proc. of 7'h International Symposium on Steel Structures}, year = 2013, }