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/


12-12-2011 Dutch pioneers unite in new Floating Construction Platform

After a year of preperations the Floating Construction Platform was officially launched on friday, December 2. The platform aims at bringing together all initiatives concerning floating construction and help expand this field. The Netherlands are to produce succesful examples...[more]


18-10-2011 Conferences

In the coming months, DeltaSync will be present at a number of international congresses. These are:

On October 31st and November 1st the international conference Watercities in Transition will be held. It is organized as part of the International Water Week (IWW). During the...[more]


14-10-2011 NTA Floating constructions

The Floating constructions committee of the Dutch Standardization Institute has presented the Dutch Technical Agreement (NTA) 8111 at the Water, Living & Space Conference on October 13th. With this agreement municipalities have the oppertunity to check if floating buildings...[more]



28-09-2011 Roadshow Eigen Haard

On september 27th DeltaSync facilitated a roadshow at housing association Eigen Haard in collaboration with Tauw and Deltares. The roadshow was held to support the company's development of knowledge and to enrich its innovation programme. 

The roadshow is an interactive...[more]


21-09-2011 Business case DNE

Together with the company 4-Tune, DeltaSync has been working on a business case for the Floating Utility Unit (DNE). The business case shows that for a house or building with living function, the pay back period is a maximum of 14 years. For an office function this is 19 years....[more]


05-07-2011 Prime Minister Nordrhein Westfalen meets DeltaSync

On thursday 16th of June, the Prime minister of the German state Nordrhein Westfalen, Hanneke Kraft, visited Yes!Delft. She made a tour through the building and spoke with several young entrepeneurs. DeltaSync was one of them. Ms. Kraft said to be very impressed by the...[more]


20-06-2011 FloodproBE stakeholder meeting

The second stakeholder meeting of FloodproBE was from May 18th till 20th in Trondheim. Several participants from the case studie cities were gathered to discuss the preliminary results.

FloodProBE is a European research project with the objective of providing cost-effective...[more]


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