Mockup Investigation of Lightweight Timber Floor

Abstract

This paper dealt with measurement and analysis of different floor structures and their acoustic optimization towards the improvement of the impact sound insulation. Special attention goes to light weight timber frame constructions with taking in account the low frequency bands. The aim of the research is to create or design acoustic optimized lightweight floor constructions and mainly to find a good solution to achieve the best possible impact sound insulation for lightweight floors with the lowest possible thickness and low cost. Following contribution is first part of mentioned investigation and deal about test results on mockup lightweight construction.

Impact Sound Insulation Concept for Lightweight Timber Floor

“…As confirmed by previous results, the efficiency of the floating floor was also determined by the surface masses involved and the dynamic stiffness of the elastic supporting material and of the enclosed air. As shown in the mock-up [1], this last effect can significantly reduce the possible result. We were looking for a wide cavity, (cheap) important surface masses and optimized supporting elastic contacts.…”

“…Mentioned previous article [1] deals with mockup measurements of floating floor on lightweight timber frame construction. The implemented good performance floating floors were based on linewise solution based on earlier investigation developed by BBRI [2,4,5].…”