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Buildings 2014, 4(2), 245-265; doi:10.3390/buildings4020245
Article

Lifting Wing in Constructing Tall Buildings —Aerodynamic Testing

1,* , 1
,
1
,
2
 and
3
1 School of Civil and Building Engineering, Loughborough University, LE11 3TU, UK 2 School of Architecture, Nottingham Trent University, NG1 4BU, UK 3 Department of Architectural Engineering, Pennsylvania State University, University Park, State College, PA 16801, USA
* Author to whom correspondence should be addressed.
Received: 23 December 2013 / Revised: 17 February 2014 / Accepted: 13 May 2014 / Published: 28 May 2014
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Abstract

This paper builds on previous research by the authors which determined the global state-of-the-art of constructing tall buildings by surveying the most active specialist tall building professionals around the globe. That research identified the effect of wind on tower cranes as a highly ranked, common critical issue in tall building construction. The research reported here presents a design for a “Lifting Wing,” a uniquely designed shroud which potentially allows the lifting of building materials by a tower crane in higher and more unstable wind conditions, thereby reducing delay on the programmed critical path of a tall building. Wind tunnel tests were undertaken to compare the aerodynamic performance of a scale model of a typical “brick-shaped” construction load (replicating a load profile most commonly lifted via a tower crane) against the aerodynamic performance of the scale model of the Lifting Wing in a range of wind conditions. The data indicate that the Lifting Wing improves the aerodynamic performance by a factor of up to 50%.
Keywords: erodynamic; wind tunnel; tower crane; tall building; construction; innovation erodynamic; wind tunnel; tower crane; tall building; construction; innovation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Skelton, I.; Demian, P.; Glass, J.; Bouchlaghem, D.; Anumba, C. Lifting Wing in Constructing Tall Buildings —Aerodynamic Testing. Buildings 2014, 4, 245-265.

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