Building Research Journal, Volume 52SAP, 2004 - Building |
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Page 77
... material with air stiffness . The air in the cavity is uniformly distributed ; an estimate of the coupling can be obtained if it is modeled as being equivalent to the area of the absorptive material acting over the entire area . At high ...
... material with air stiffness . The air in the cavity is uniformly distributed ; an estimate of the coupling can be obtained if it is modeled as being equivalent to the area of the absorptive material acting over the entire area . At high ...
Page 78
... material ( □ measured cavity panel , △ predicted cavity panel ; with absorption material ) 200 315 Frequency ( Hz ) 500 800 1250 2000 3150 0.015 0.01 0.005 0 31.5 50 80 5 Conclusions Sound reduction index increases from the cavity ...
... material ( □ measured cavity panel , △ predicted cavity panel ; with absorption material ) 200 315 Frequency ( Hz ) 500 800 1250 2000 3150 0.015 0.01 0.005 0 31.5 50 80 5 Conclusions Sound reduction index increases from the cavity ...
Page 155
... material -A exhibits the best results for the durability , while the least resistance is exhibited by the material -C . Finally , the following recommendation can be drawn from the performed analysis : a decrease of the Young modulus ...
... material -A exhibits the best results for the durability , while the least resistance is exhibited by the material -C . Finally , the following recommendation can be drawn from the performed analysis : a decrease of the Young modulus ...
Contents
CONTENTS | 1 |
T Kambezidis H D Katsoulis B D Muneer T Bartzokas | 19 |
CONTENTS | 137 |
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Academy of Sciences aerated concrete aeroelastic air change rate air flow analysis Beskos BIE system boundary conditions Boundary Element Methods boundary integral equations Bratislava Bratislava 5-mi data Building Research Journal calculated cavity coefficients computational considered crack DARULA daylight deflection deformations distribution domain Dv/Ev ratios dynamic elastic formulation frequency function girder heat and moisture hygro-thermal indoor air relative indoor air temperature insulation system integral equations kernel Kittler Laplace transform layer lintels long-term load Lz/Dv material mechanical meshless modulus moisture transfer Moving Least Square nodes normalized stresses overcast skies overheating index overheating of indoor panel parameters partial differential equations partly cloudy plaster polystyrene prisms problems relative humidity Selected data recorded shear shear modulus simply supported simulation sky standards sky type Sladek Slovak Academy Solar altitude solution sticking mortar structures tension clamp Tesár thermal total number values vapour viscoelastic Young modulus Әп მყ