Diaphragms With Vertical Offsets - The Analysis of Irregular Shaped Structures - page 263

F i g u r e 7.29 Mode 4—diaphragms rotate in the opposite direction.
attention should be paid to the two-story columns and the connections of the low roof
to the columns.
Example 7.3: Vertical Offset Diaphragm, Raised Center Section
The structure shown in Fig. 7.30 has a vertically offset section located in the center of
the diaphragm, offset horizontally to the left. The configuration allows for a clerestory
on each side of the pop-up section. The structure is 280 ft long by 80 ft wide. The
F i g u r e 7.30 Vertically offset diaphragm, raised center section.