Search for dissertations about: "Impact sound insulation"

Showing result 1 - 5 of 7 swedish dissertations containing the words Impact sound insulation.

  1. 1. Measurement and perception of sound insulation from 20 Hz between dwellings

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Rikard Öqvist; Luleå tekniska universitet.; [2017]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Sound insulation; Lightweight constructions; Annoyance; Measurement uncertainty; Low frequency; Building Acoustics; Walking noise; Teknisk akustik; Engineering Acoustics;

    Abstract : Population growth and urbanization are projected by the United Nations to add 2,5 billionpeople to the world’s urban population by 2050. We need to construct buildings in anunprecedented scale to meet global housing demand. Sustainable development is critical. READ MORE

  2. 2. Assessing and modelling impact sound insulation of wooden joist constructions

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Wanqing Shi; [1995]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Teknisk akustik; Engineering Acoustics;

    Abstract : Impact sound insulation is one of the most important aspects when assessing sound insulation of floor constructions in buildings. For assessing the impact sound insulation of aconstruction, a standard tapping machine is used as a sound source. READ MORE

  3. 3. Acoustic excitation and transmission of lightweight structures

    University dissertation from Div. Engineering Acoustics, LTH

    Author : Jonas Brunskog; Lunds universitet.; Lund University.; [2002]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; point mobility; Lamb waves; wood.; Building construction; plate excitation; cavities; near-periodicity; nearly periodic; sound insulation; timber; structural acoustics; spatial Fourier transform; resilient device; prediction model; periodic; lightweight; ISO tapping machine; airborne noise; Building acoustics; impact noise; Byggnadsteknik;

    Abstract : Popular Abstract in Swedish För att öka förståelsen för hur ljud sprider sig och strålar från byggnadskonstruktioner utförda i lättbyggnadsteknik så behövs teoretiska beräkningsmodeller. Sådana modeller presenteras i avhandlingen. READ MORE

  4. 4. Variations in sound insulation in lightweight timber constructions

    University dissertation from Luleå : Luleå tekniska universitet

    Author : Rikard Öqvist; Luleå tekniska universitet.; [2010]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Building acoustics; Civil engineering and architecture - Building engineering; Byggnadsakustik; Samhällsbyggnadsteknik och arkitektur - Byggnadsteknik; Teknisk akustik; Engineering Acoustics;

    Abstract : This licentiate thesis deals with the topic of variations and uncertainties in building acoustic parameters for lightweight timber constructions. A higher safety margin to the legal requirements is needed to compensate for acoustical uncertainties, which leads to higher costs. READ MORE

  5. 5. Vibroacoustic performance of wooden buildings : Prediction and Perception

    University dissertation from Engineering Acoustics, LTH, Lund University

    Author : Juan Negreira; Lunds universitet.; Lund University.; [2016-04-27]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Prediction tools; Low frequency vibrations; Vibroacoustics; Wooden buildings; Impact sound insulation; Finite element method; Vibration measurements; Flanking transmission; Elastomers; Design indicators; Vibration acceptability; Vibration annoyance; MEMS accelerometers;

    Abstract : When the Swedish building regulations in 1994 allowed wooden multi-storey buildings to be built, this type of lightweight construction became popular due to its low cost and ease of construction, as well as wood being a plentiful resource in Sweden. However, complaints amid inhabitants are often reported due to nuisances caused by disturbing vibrations and noise propagating in the building. READ MORE