Fig.10-1 More column units required for high-rise building TOTAL OF12 COLUMN UNITS 一人 TOTAL OF 6 COLUMN UNITS 一人 3 STORIES 3 FLOOR AREA BAYS 3 FLOOR AREA BAYS 一一 STACKING REQUIRES MORE COLUMN UNITSFig.10-1 More column units required for high-rise building