@inproceedings{MahnHopkinsSchandaetal.2013, author = {Mahn, J. and Hopkins, C. and Schanda, Ulrich and Krajci, L.}, title = {Competitive wooden floor systems - multi-objective optimization based on acoustics improvement}, series = {Internoise 2013}, booktitle = {Internoise 2013}, year = {2013}, abstract = {The objective of this research project is the design of lightweight timber floor systems which have similar thicknesses to those of concrete floors but which perform better than concrete in terms of their environmental life cycle impact and in terms of airborne and impact sound insulation. The availability of superior lightweight acoustic designs will increase the share of timber based floors within the Swiss construction market and will contribute to higher wood utilization in general. A program for systematically developing validated finite element models for the development of lightweight timber floor systems has been proposed. The use of Swiss hardwoods in floor systems will be studied and implemented where possible. Keywords: lightweight timber, sound transmission, impact noise}, language = {en} }