Plastic Design of Coupled Frame-Shear Wall Structures

by Peter F. Adams, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Univ. of Alberta, Edmonton, Canada,
James G. MacGregor, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Alberta, Edmonton, Canada,

Serial Information: Journal of the Structural Division, 1970, Vol. 96, Issue 9, Pg. 1861-1871

Document Type: Journal Paper


Many structures in the 20-story to 40-story range consist of a number of bents tied together by diaphragms at each floor level. Each bent may consist of a rigid frame or of rigid frames coupled to one or more shear walls. The shear walls have relatively large flexural stiffnesses and tend to dominate the action of the building. A plastic design procedure is presented for such structures. The procedure accounts for the wallframe interaction forces, the inelastic behavior of both wall and frame elements and the secondary forces due to the gravity loads acting on the deformed structure. The procedure utilizes the sway subassemblage technique to determine the resistance of the structural steel rigid frames in their deformed positions. An example is presented.

Subject Headings: Plastic design | Coupled walls | Shear walls | Rigid frames | Bents (structural) | Structural behavior | Gravity loads | Deformation (mechanics)

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