Many good vibrations

摘要

A total of 104 external vibrators and 16 frequency inverters from Wacker Neuson were used to ensure a tunnel wall in Spain had been properly compacted.rnThe 800m Pena de los Enamorados tunnel is part of an extension of the Malaga to Antequera and Granada highspeed rail link. Contractors Acciona and Torrescamara are building the tunnel using two 15m tunnel formwork carriages made by Doka which have been equipped with the Wacker Neuson external vibrators and frequency inverters.