Timber Building Inside a Skyscraper Being Built in Sydney, Australia

The world’s largest hybrid building will be “a timber building inside a much, much larger building,” Tim Allen, one of the Taylor Thomson Whitting (TTW) structural engineers working on the $1.45 billion (AUD) Atlassian Central Tower, told Wood Central (8-14-24).

Allen said one of the building’s key features is seven separate free-standing, three-level CLT flooring systems sandwiched between steel-and-concrete mega floor plates, all over a seven-floor concrete podium and a structural steel exoskeleton.

“The timber floors are connected to the concrete floors via drag straps,” Allen said, adding that the innovative lateral design is one of the most advanced anywhere in the world.

Stora Enso and Wieharg will supply the CLT and glulam beams, which together will help construct more than 21 floors of CLT flooring and glulam beams, Wood Central reported.

Atlassian Central is co-owned by Dexus and Atlassian. The builders are Built and Japanese asset manager Obayashi, which opened Port Plus in Tokyo last year. The building is scheduled to be opened in 2026–27.


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