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Composite whale tail sculpture saves runaway metro train in Rotterdam

The metro had burst through the buffer stop while approaching the end of the line in Spijkenisse, the Netherlands. Instead of plummeting into the bike path 12 metres below, the metro car came to rest upon one of two tails which make up the ‘Whale Tails’ sculpture.

The driver was the only person on the metro and was uninjured in the accident. Solico is humbled and proud to have engineered the sculpture which caught the runaway train, preventing a total catastrophe. The engineering of the tail was originally intended to withstand strong winds typical in Rotterdam.

Peter Globevnik, the head structural engineer behind the tails explains:

“The shape of the fluke on the whale tail makes a perfect wing. We knew that this could get a lot of lift force with the wind which presented us an engineering challenge.”

Fortunately, the stiff and strong structure of the tail was able to catch the metro.

Composite whale tail sculpture saves runaway metro train in Rotterdam

In 2001, Solico was commissioned by the Municipality of Rotterdam to provide structural engineering for two composite whale tails reaching twelve and fourteen meters high respectively. Rotterdam experiences a lot of strong wind which has resulted in vibration issues with other nearby projects. To avoid having these same issues in the whale tails, their shapes were tested in a wind tunnel. The results were used by Solico to design strong and stiff composite whale tails. This was done by extensive FEA analyses. Maropol built and installed the two giant tails. 

The whale tails consist of two parts, which are referred to as the “body” and the “tail”. The body has a steel lattice interior structure, cladded with 6 mm glassfibre reinforced polyester. The tail, on which the metro train is resting, doesn’t include a steel support, and the load is taken by the composite material alone. A lightning conductor is integrated in the tail.

Composite whale tail sculpture saves runaway metro train in Rotterdam

Companies: Solico

Industries: Other Composite End-use areas, Railway Vehicles & Infrastructure

Terms: Applications, News Worldwide

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This article has been edited by Basalt.Today
Source
This article has been written on JEC Composites Magazine
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