Structural Design Challenges of Merdeka PNB118, Kuala Lumpur, Malaysia

SawTeen See
Managing Director, USA
Robert Bird Group, New York City

Simon Cloherty
Robert Bird Group, London

When completed at 630 meters, the Merdeka PNB118 Tower will be the tallest building in Malaysia, surpassing the Petronas Towers. The piling is completed and the tower construction is ongoing. This presentation focused on the wind engineering studies for its complex architectural geometry, the concept designs studied, and the final selected structural design, which is robust, cost-effective, performs well, and meets the developer’s goals and the architect's vision of integrating the architecture and the structure. The primary structural system comprises concrete walls of the services core, articulated perimeter bracing of mega-diamond shapes, outrigger trusses, and belt trusses. Occupancies include office, hotel, and observation deck. The unique and complex geometry posed challenges to the structural design and the wind engineering, which were detailed in the presentation.

Accompanying PowerPoint Presentation

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