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Vol. - No. Vol.7 - No.1
Date Mar., 2018
Title Editor's Note
Author Kyoung Sun Moon
Institutions Yale University School of Architecture
Abstract Architecture is one of the disciplines that are actively engaged in the interests of both technology and art. Due to the unique nature of architecture, building projects require close multidisciplinary collaborations. Among many building types in architecture, tall buildings are, in a sense, the accumulation of the most advanced technologies due to their extreme heights, and the impacts of their architectural expressions are significant in any context where they soar because of their enormous scale. Therefore, successful project executions are more dependent on integrative design in tall buildings than in any other building types.

Tall buildings were technologically approached by using new materials and separating the role of structures and that of non-structural walls, especially building facades, from the traditional load-bearing walls that acted as both. Indeed, the functional separation between these two systems initiated the history of tall buildings and has led to their present state in combination with developments of other integrated systems such as vertical transportation and environmental control systems.

The March issue of the International Journal of High-Rise Buildings begins with the editor's review of
the dynamic interrelationship between the evolution of structural systems and façade design in tall buildings beginning from the late 19th century to the present. After that, Jin Young Song at University at Buffalo et al. propose synergistic integration between the structural and façade systems of tall buildings through the design research on embossed structural skins applied to the diagrid system. Constructability is a very important issue especially in tall buildings constructed in tight urban land. Nathaniel Hadley at PCPA, a premier tall building design firm, and Charles Thornton at LIFT, an innovative systems integration company, present Core Cantilever Construction methods which can increase the project value by reducinrg construction timelines and increasing the useable floor area.

The second half of the current issue is composed of case study presentations by the world's leading tall
building design firms such as SOM, KPF, NBBJ and AS+GG. Brian Lee of SOM presents some of their best
tall building projects which demonstrate the importance of integrative design process through multidisciplinary collaborations. Forth Bagley of KPF presents their second generation of mix-use tall building projects in which multiple programs are integrated within single structures in innovative and synergistic ways. Timothy Johnson and Jonathan Ward of NBBJ present inspiring design concepts to better integrate the human factor with tall buildings through their exemplary projects. Tall buildings which began from office buildings of about 10 stories have now grown to mixed-use mega-tall buildings. Peter Weismantle at AS+GG presents how successfully they have overcome the architectural and technical challenges of designing the astonishing 1 km tall Jeddah Tower, the tallest building in the world in the near future.

Even though integrative design approach has always been emphasized in architecture, it is still very challenging. It depends on the collaborative efforts of the entire project team to transform any present challenges into the potentiality of enhanced design integration to create higher quality and more sustainable built environments.
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