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Brockenbrough_Ch07.qxd  9/29/05  5:17 PM  Page 7.22



                                                  FLOOR AND ROOF SYSTEMS


                   7.22  CHAPTER SEVEN

























































                                          FIGURE 7.25  Steps in formation of a castellated beam. (a) Corrugated cut is
                                          made longitudinally in a wide-flange beam. (b) Half of the beam is moved longitu-
                                          dinally with respect to the other half and (c) welded to it.












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