Fire-resistant tube

February 1997
International Construction;Feb97, Vol. 36 Issue 2, p22
Trade Publication
Reports on NKK Steel Engineering Inc.'s marketing efforts for its patented concrete-filled steel tube (CFT) columns that do not require fire-resistant coating in construction use. Increased earthquake-resistant capabilities; NKK's first project using CFT columns; NKK's plans of technically improving the CFT column method.


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