A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Vibration attenuation at asymmetric crossâ€form joints of buildings
The aim of the work is to estimate sound energy transmission through asymmetrical crossâ€junctions in buildings. Several kinds of these joints have been investigated. Theoretical calculation model to obtain transmission loss was developed and a system of equations established. The equations were solved and expressions were obtained for predicting transmission loss. Using this procedure for different structural connections, the simplified calculation formulas were received for different cases of asymmetrical crossâ€joint. The influence of geometrical parameters and material properties were determined for the sound energy attenuation in the joints of buildings. The obtained results may be applied for evaluation of influence flanking noise transmission through different asymmetric crossâ€junctions in buildings. Vibracijų silpnumas asimetrinÄ—se kryžiaus formos pastatų jungtyse Santrauka Pagrindinis darbo tikslas yra nustatyti garso energijos slopinimÄ… asimetrinÄ—se kryžiaus formos pastatų konstrukcijų jungtyse. Analizuoti keli asimetrinių kryžiaus formos mazgų tipai. Sudarytas teorinis vibracijų perdavimo koeficientų skaiÄiavimo modelis ir gauta lygÄių sistema. JÄ… iÅ¡sprendus, nustatytos vibracijų perdavimo koeficiento (perdavimo nuostolių) supaprastintos skaiÄiuojamosios iÅ¡raiÅ¡kos. Kartojant Å¡iÄ… procedÅ«rÄ…, gautos supaprastintos lygtys įvairiems asimetrinių mazgų atvejams. Naudojantis gautomis iÅ¡raiÅ¡komis, nustatyti pagrindiniai parametrai, turintys įtakos garso energijos slopinimui pastato jungtyse. Gauti rezultatai gali bÅ«ti panaudoti netiesioginio triukÅ¡mo sklidimo įvairiomis asimetrinÄ—mis kryžiaus formos jungtimis įtakai įvertinti. Raktiniai žodžiai: struktÅ«rinÄ— akustika, vibracijos, perdavimo nuostoliai, asimetriniai mazgai. First Published Online: 14 Oct 2010
Vibration attenuation at asymmetric crossâ€form joints of buildings
The aim of the work is to estimate sound energy transmission through asymmetrical crossâ€junctions in buildings. Several kinds of these joints have been investigated. Theoretical calculation model to obtain transmission loss was developed and a system of equations established. The equations were solved and expressions were obtained for predicting transmission loss. Using this procedure for different structural connections, the simplified calculation formulas were received for different cases of asymmetrical crossâ€joint. The influence of geometrical parameters and material properties were determined for the sound energy attenuation in the joints of buildings. The obtained results may be applied for evaluation of influence flanking noise transmission through different asymmetric crossâ€junctions in buildings. Vibracijų silpnumas asimetrinÄ—se kryžiaus formos pastatų jungtyse Santrauka Pagrindinis darbo tikslas yra nustatyti garso energijos slopinimÄ… asimetrinÄ—se kryžiaus formos pastatų konstrukcijų jungtyse. Analizuoti keli asimetrinių kryžiaus formos mazgų tipai. Sudarytas teorinis vibracijų perdavimo koeficientų skaiÄiavimo modelis ir gauta lygÄių sistema. JÄ… iÅ¡sprendus, nustatytos vibracijų perdavimo koeficiento (perdavimo nuostolių) supaprastintos skaiÄiuojamosios iÅ¡raiÅ¡kos. Kartojant Å¡iÄ… procedÅ«rÄ…, gautos supaprastintos lygtys įvairiems asimetrinių mazgų atvejams. Naudojantis gautomis iÅ¡raiÅ¡komis, nustatyti pagrindiniai parametrai, turintys įtakos garso energijos slopinimui pastato jungtyse. Gauti rezultatai gali bÅ«ti panaudoti netiesioginio triukÅ¡mo sklidimo įvairiomis asimetrinÄ—mis kryžiaus formos jungtimis įtakai įvertinti. Raktiniai žodžiai: struktÅ«rinÄ— akustika, vibracijos, perdavimo nuostoliai, asimetriniai mazgai. First Published Online: 14 Oct 2010
Vibration attenuation at asymmetric crossâ€form joints of buildings
Vytautas J. Stauskis (author) / Marius Mickaitis (author)
2005
Article (Journal)
Electronic Resource
Unknown
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