ZespóŠLaboratoriów Badawczych ITB (.pdf) - 1,8 MB
ZespóŠLaboratoriów Badawczych ITB (.pdf) - 1,8 MB
ZespóŠLaboratoriów Badawczych ITB (.pdf) - 1,8 MB
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GROUP OF TESTING LABORATORIES<br />
ACOUSTIC LABORATORY<br />
Carries out the tests of:<br />
walls and floors, roofs<br />
doors, windows, ventilation elements, glass, skylights, window louvers, floating floors, lightweight floors, floor<br />
coverings, access floors, noise barriers<br />
sound-absorption materials and structures, objects and equipment as furnishings, materials used in floating<br />
floors, porous materials<br />
technical rooms, central heating and water installations, ventilation installation lift installations and other<br />
technical equipment of buildings<br />
room acoustics (with loudspeakers) and workstations acoustics conditions<br />
acoustical parameters of external environment<br />
acoustical parameters of machines and other equipment<br />
and determines:<br />
airborne sound insulation of walls and floors, roofs, doors, windows, ventilation elements, glass, skylights,<br />
window louvers, floating floors, lightweight floors, floor coverings, access floors and suspended ceilings<br />
sound insulation and absorption of noise barriers<br />
impact sound insulation of floors, floating floors, lightweight floors, floor coverings, access floors<br />
sound absorption coefficient of materials and structures, objects and equipment as furnishings<br />
dynamic stiffness of resilient materials used in floating floors<br />
airflow resistance of porous materials<br />
reverberation time and other parameters of rooms (like speech transmission index, early decay time)<br />
sound pressure level and A sound level<br />
noise from roads, railways, aircrafts and industries<br />
insertion loss of acoustical barriers<br />
sound power level of machines and other equipment<br />
directional characteristics of sound sources<br />
Head of laboratory: Dr Elżbieta Nowicka<br />
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