An innovative lightweight ceiling in the form of a hybrid construction made of ferroconcrete and corrugated beams has been tested by its acoustics. It was necessary to ensure application in multistory buildings. The innovative bearing system is significantly lighter than conventional ferroconcrete ceilings, which is very advantegous at extensions of upper roof constructions and refurbishments especially in old buildings. The investigations showed that the innovative lightweight ceiling is a solid solution. After some optimization steps had been carried out, it was clearly visible that the actual acoustic engineering requirements are completely fulfilled. The reduction of the weight could be more than necessary compensated by an optimized composition, reworked setting feet and a suitable upper floor. This new system enables larger ceiling span lengths and it is expected that they are even more favorable to noise than the tested prototype model with the lowest structure height. Moreover following steps for a further research project could be clarified in order to optimize constructive design and to turn it into a marketable product.
|Effective start/end date||26/08/16 → 31/01/17|
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