The Duo, Singapore

twin tower of 39-storey commercial tower and 49-storey residential tower

 

Floor System: 
- Commercial tower: PT beam and PT slab (live load: 4.0 kpa)
- Residential tower: Conventional RC slab

Special Feature:
- Vertical tendons are used in both towers to transfer the huge unbalanced forces from the cantilevering floors to the core
- Transfer floor at commercial tower- Level 25 for layout changing from office to hotel

Post-tensioned Wall:
Commercial tower: Stressbar tendons
Residential tower: Strand tendons

Year of Completion: 2016

PT Floor Area: Approx 80,000 m²

Involvement:
Design, supply & installation of Post-Tensioning works

Builder:
Obayashi Singapore Pte Ltd

Engineer:
Beca Carter Holling & Ferner (SEA) Pte Ltd

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