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52 of 234 <br />Thornton Tomasetti <br />7 <br />AS-MODELED ie <br />FLOOR LEVEL - <br />Ec> i FOR SIMPLICITY i <br />4 <br />SINGLE FRAME ' <br />09 1- - ELEMENT V 1 <br />8" SHELL-1_ <br />- ELEMENT <br />Llo e0 <br />L9 SAME <br />RECTANGULAR if) 1, <br />- FRAME ELEMENT <br />- 1 <br />4/ <br />8" SHELL <br />ELEMENT <br />RIGID LINK <br />RECTANGULAR <br />FRAME ELEMENT <br />1 2/1 1 <br />MOMENT RELEASES APPX FIELD '·8-RIGID CONNECTION 1 <br />AT INFLECTION POINT --INFLECTION POINT, TYP SECTION B DIMS 91-rnI <br />TYP SECTION A .i--BETWEEN COLUMNS @ <br />SECTION C <br />\ 0 <br />©©431©@09 4,@ <br />RIGID OFFSET <br />OF FULL 8'-3" <br />(RIGIDZONErFACTOR = 0 5. <br />TYP)A -r. <br />COLUMN <br />i RESTRAINED/CAPTURED <br />BY SHELL TOO <br />p RIGID OFFSET <br />' OF 3'-9"2-7-4 <br />COLUMN <br />RESTRAINED/CAPTURED <br />BY SHELL TOO <br />RIGID OFFSET <br />OF 3'-9 <br />C <br />£=1 1 . 1 <br />PINNED BASE <br />AT COLUMN <br />MID-HEIGHT <br />TYP <br />Ii=127 <br />Al <br />12 212-1 n Ll <br />A) FRAME ELEMENT ONLY WITH PROFILE OF <br />RECT. BEAM AND INFILL WALL <br />B) FRAME ELEMENT WITH CENTERED SHELL <br />ELEMENT ABOVE <br />C) FRAME ELEMENT WITH OFFSET SHELL <br />ELEMENT ABOVE CONNECTED VIA RIGID LINK <br />ETABS MODEL <br />PERIMETER BEAM/PANEL INDEPENDENT STUDY <br />PURPOSE OF STUDY: A FRAME+OFFSET SHELL ASSEMBLY (CONDITION C) <br />MORE CLOSELY RESEMBLES THE EXISTING PERIMETER FRAMING. AS A <br />SIMPLIFYING AND CLARIFYING MODELING DECISION, THE AIM IS TO <br />ACHIEVE COMPARABLE BEHAVIOR WITH FRAME ELEMENTS ONLY BY <br />CALIBRATING RIGID OFFSETS AND PANEL ZONE PROPERTIES.