Vertical transitions curves in wind farm

The main problem with turbine tower trailers is that they are very low.

For this reason we normally use long transition curves in vertical alignment, with a parameter of the parabola (Kv) of 400 or even more. This is the best approach, as for instance the alternative of a minimum length definition of the transition is not effective (the result will depend on the difference between entry and exit slope).

If shorter, more aggressive changes in vertical alignment are made (mainly at the end of a slope, when the horizontal crane pad is reached) there is the risk of having the trailer stuck as in the pictures below.

The height below the tower is just a few centimeters, so this is one of the critical points to check in a constructive project of a wind farm.

As a bonus I post also one of the incredible manoeuvres I’ve seen in the real word, a truck almost flying in a mountainous wind farm.

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