Browsing by Subject "Acoustical Comfort"

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Open Access
The effect of density on impact sound insulation of the expanded polystrene (EPS) block used as filler in one way hollow core slab in dwellings
(2016-09) Erdemli, Eray
The current international standards and governmental regulations stipulate maximum impact sound insulation on construction slabs of buildings to increase acoustical comfort of interiors of dwellings as mentioned by Cost Action TU 0901:2014 study. In Turkey, the most common slab construction is one way hollow core slab with EPS filler. However, according to the feedback given by users who live in multi storey dwellings impact sound insulation of expanded polystyrene used construction slabs of dwellings is more than acceptable values. In the literature, there is not any information about impact sound insulation performance of one way hollow core slab with EPS filler and the effects of EPS density differences on impact sound so a comparative study on impact sound insulation of the one-way hollow core slab with EPS filler was conducted. The study aimed to determine what is impact sound insulation performance of expanded polystyrene fillers in one way hollow core slab system and the effect of density difference of EPS fillers in one way hollow core systems used in dwellings. The study has also highlighted the importance of missing impact sound isolation standards and regulations in Turkey. The research was based on TS EN ISO 10140-3:2011 laboratory measurement of impact sound insulation of building elements and the data collected was analyzed according to TS EN ISO 717-2:2013. A sample one way hollow core slab system which is used in real life constructions was designed and built with 16 kg/m3 and 10 kg/ m3 EPS fillers. The results showed that one way hollow core slab with EPS fillers demonstrate very low impact sound insulation performance when compared with recommended values, standards and regulations accepted by many European countries. In addition, it was observed that the impact sound insulation performance of 10 kg/m3 expanded polystyrene filler in one way hollow core slab was better than the performance of 16 kg/ m3 EPS filler.
Open Access
Evaluation of design studios in terms of environmental comfort conditions
(1998) Igdır, Sevil Funda
Buildings create environments for people to live and work in, and they aim at providing occupant satisfaction. In order to create interior environments which are completely suitable for the activities they involve, some requirements have to be met. These requirements relate to the environmental comfort conditions, the components of which are thermal, visual and acoustical comfort. The important point is that the effects of heat, light and sound are not isolated elements of building design; they are interrelated. In this study, which is a field study, environmental comfort conditions in the design studio are analyzed. Design studios are chosen since there is a living process in these environments where many different functions take place simultaneously. For this purpose, the design studios of the Department of Interior Architecture and Environmental Design, Faculty of Art, Design and Architecture at Bilkent University in Ankara, Turkey are analyzed. The analysis consists of the physical measurements of the environmental comfort parameters, and the subjective responses of the occupants which are evaluated with questionnaires. In order to make an evaluation, the obtained values for physical measurements are compared with the ones compiled from the relevant standards, and the questionnaire responses are analyzed. At the end of the study, recommendations for the amelioration of the measured studios are made.