11-12-2015 Floating buildings up to 15 floors can withstand hurricanes

New research shows that it is technically feasible to create floating high-rise buildings of 15 floors at sea, even under hurricane conditions.

This is one of the conclusions of our intern Kelvin Ko, who just completed his Civil Engineering Masters thesis at TU Delft. The research is a big step forward for the BlueRevolution, because it increases the attractiveness of floating urban development for cities such as New York, Hong Kong and Singapore.

Kelvin Ko: “I researched whether it’s technically feasible to build a floating city in the open sea with huge waves and frequent storms. The answer is yes. And what really surprised me is that you can realise high-rise buildings up to 50 meters high and still being hurricane proof, assumed that the building and floating platform are very rigid connected to each other. Which means: waves of 4 meters high and the wind blowing at 200 kilometers an hour.”

Fascinating fact: inhabitants won’t feel any movement caused by waves… Really?

“Yes, you just have to build the city with several modular floating platforms rigidly connected to each other. This way, the total length and width of the floating city will become larger than the wavelength. This causes the waves to have less effect on the floating city, which will only experience very small displacements, so small that inhabitants won’t feel them. Only under severe wave circumstances the platforms experience large displacements, like during a tsunami.”

“Also, I found out that the larger the water depth gets, the less expensive a floating city becomes compared to land reclamation, simply because for the latter you need more sand for larger water depths.”

Some technical details: from the results and calculations in this thesis, it is reliable to connect up to 4 platforms in a linear formation for the chosen design of the hexagonal platform with sides of 60 m and a construction height of 14 m. This means that a floating community of 16 platforms (in a configuration of 4 by 4 platforms) can be realised and house approximately 4000 inhabitants.

Kelvin Ko’s paper appeared in the Danish journal Urban Island Studies and he will present his research at the conference Island Cities and Urban Archipelagos 2016 in Hong Kong.

Source image: www.discovery.com/tv-shows/other-shows/videos/mega-engineering-floating-new-orleans/


02-10-2014 Webinar Drijvend Bouwen 7 oktober / 4 november 2014

This article is only available in Dutch

Na eerdere succesvolle webinars organiseert SKB weer nieuwe webinars. Ditmaal over waterkwaliteit en ecologie bij drijvend bouwen. Rutger de Graaf en Floris Boogaard hebben onderzoek verricht naar de waterkwaliteit en ecologie bij...[more]



30-09-2014 Deltas 2014: Concept of floating cities grabs imagination at international congress on river deltas

Is it a dream of young engineers or will it be the future? Large floating living areas on inner waters or even off the coast? Whatever the answer, fact is that the workshop on floating cities during the conference Deltas in times of climate change in Rotterdam on 25 September,...[more]


20-06-2014 The Green Village partner event

On Tuesday, June 18 DeltaSync was a guest of the Green Village partner event. Led by Ad van Wijk and TV presenter Froukje Jansen visitors were taken on a journey across the different sections of the Green Village: Future Labs, Engines, The Store, and Events. During the last...[more]


05-06-2014 Survey on the effects of floating urbanization

Together with Tauw and Deltares DeltaSync conducted a nation-wide survey on the effects of floating urbanization on water quality and ecology. Over the past few months the survey was conducted, together with students, using a so-called underwater drone. The drone, which was able...[more]


27-05-2014 Netwerkborrel Platform Drijvend Bouwen

This article is only available in Dutch

Op 5 juni zal in het drijvend kantoor van Waternet in Amsterdam de eerste borrel worden gehouden van de stichting Platform Drijvend Bouwen. Naast de mogelijkheid tot bezichtigen van het drijvend kantoor zal er gesproken worden over de...[more]



10-04-2014 In the press

The press was very much interested in the work of DeltaSync in the past months. Publications and interviews include the Guardian, Sky News and BBC Radio. You can read the news article on The Guardian here Watch the Sky News video here[more]


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