The development of sound-absorbent lightweight concrete requires, in addition to the examination in Kundt's tube for the vertical sound incidence, the investigation of the absorption properties in the reverberation chamber for the diffuse sound incidence. Since a representative prototype area of approx. 12 m2 is required, this represents a massive obstacle to development, since the expense for prototype production is thereby very high and it is often not possible to obtain sufficient space from promising models. DI Buchegger has developed a method in the context of various projects, with which a qualitatively good prognosis and especially a statement can be made when comparing different samples with a view to optimization. As part of this project, innovative, lightweight lightweight concrete elements were created and successfully evaluated in the laboratory using this method.
|Effective start/end date||1/12/16 → 30/11/17|
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