have situation with drilled piers installed, rebars extending out to tie into upcoming pile cap ; now realize the top of drilled piers are 4 feet too low. choice is to pour a deeper ( thicker) cap or to " extend" the drilled pier up a few feet. Any thoughts on extending the drilled piers; i.e...
Need an OSHA interpretation, permanent open steel framed industrial stairtower, four columns with vertical bracing, inside the tower are stair runs and landings. At the landings where the edge of the landing is at the vertically braced column lines, is the railing there according to OSHA...
Regarding plate girder design with stiffeners, previously to be allowed tension field action the panel aspect ratio a/h had to be less than 3.0 and the codes listed an 'arbitrary" fabrication handling suggestion of aspect ratio< 260/ (h/t)2.
AISC 2005 Commentary G4 now defines the 260/ (h/t)2...
Existing one story building, full diaphragm at roof from metal deck and horiz bracing, some column lines have vertical bracing, others have CMU wall tied into steel columns. Question is: on outer column line there are W30x124 columns that have full height CMU walls (shear wall assuming) tied...
