Design of High-Rise Core-Wall Buildings: A Canadian Perspective

Abstract eng:
Presents the background to prescriptive design procedures that have recently been developed to permit the safe design of high-rise core-wall buildings using only the results of response spectrum analysis (RSA) at the MCE level of ground motion. This includes: (i) effective stiffness of walls to estimate displacement demands at top of wall using RSA, (ii) procedures to estimate rotation demands on cantilever walls and coupled walls, (iii) procedures to estimate rotational demands on coupling beams, (iv) procedures to ensure the flexural hinge regions of the wall have adequate shear capacity, (v) procedure to design for shear reversal below flexural hinge due to stiff floor diaphragms connected to perimeter foundation walls, and finally (vi) some discussion on dynamic magnification of shear.

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