About the author  ⁄ Sunghwa Han, M.S., P.E., S.E., LEED AP

Sunghwa Han, P.E., S.E., LEED AP, is a senior associate at Rosenwasser/Grossman Consulting Engineers, P.C. and in charge of conceptual structural design and analyses, including a nonlinear response history analysis. She can be reached by email at sunghwa@rgce.com.

Design of Structurally-linked Multiple Tower Structures

The behavior of structurally-linked multiple tower structures is largely affected by the effectiveness of the rigid links made between towers at the bases or at the tops. These links have a strong influence on the distribution of wind and earthquake loads. Depending on the interactive dynamic behavior of the adjacent building parts with one another, a separation may or may not be needed.

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During their service life, high-rise buildings and the associated nonstructural components endure various movements and deformations. Although the deformations and movements are not life threatening, inappropriate design of buildings and associated nonstructural components could induce expensive economic consequences in the long-run and, in order to ensure proper building behavior of the superstructures and the attached nonstructural elements, should not be ignored. In this article the possible deformations and movements of reinforced concrete high-rise buildings and the accommodation of the affected components are discussed.

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STRUCTURE magazine