Air Pressure and Building Envelopes

Control of airflow is essential to several important performance aspects of the building system. Air carries moisture which impacts a material’s longterm performance (serviceability) and structural integrity (durability), behavior in fire (smoke spread), indoor air quality (distribution of pollutant...

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Veröffentlicht in:Journal of building physics 2002-07, Vol.26 (1), p.53-91
Hauptverfasser: Lstiburek, Joseph, Pressnail, Kim, Timusk, John
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container_title Journal of building physics
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creator Lstiburek, Joseph
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description Control of airflow is essential to several important performance aspects of the building system. Air carries moisture which impacts a material’s longterm performance (serviceability) and structural integrity (durability), behavior in fire (smoke spread), indoor air quality (distribution of pollutants and microbial reservoirs) and thermal energy. Typical case studies are presented to illustrate how each of the above characteristics is affected when unintended airflow occurs as a result of poor construction. In some cases, there was simply a lack of understanding of the consequences of ignoring potential leakage paths and the interaction of the mechanical conditioning systems with the building structure. Rehabilitation of a troubled building requires that these interactions be understood. In general, the approach to developing that understanding is not involved.
doi_str_mv 10.1177/109719602765071658
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identifier ISSN: 1744-2591
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source Access via SAGE; Alma/SFX Local Collection
subjects Applied sciences
Atmospheric pressure
Buildings
Buildings. Public works
Case studies
Classrooms
Concrete
Concrete floors
Construction industry
Design
Exact sciences and technology
External envelopes
HVAC
Indoor air quality
Leakproofness
Masonry
Measurement techniques
Odors
Plaster
Pollutants
Pressure distribution
Rehabilitation
title Air Pressure and Building Envelopes
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