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Pregled bibliografske jedinice broj: 991754

Zbornik radova

Autori: Bagarić, Marina; Banjad Pečur, Ivana; Milovanović, Bojan; Hozmec, Suzana
Naslov: Ventilated sandwich wall panel from recycled aggregate concrete: Hygrothermal characterization
( Ventilated sandwich wall panel from recycled aggregate concrete: Hygrothermal characterization )
Izvornik: Proceedings of the International Conference on Sustainable Materials, Systems and Structures (SMSS 2019) Energy Efficient Building Design and Legislation / Bagarić, Marina ; Banjad Pečur, Ivana ; Künzel, Hartwig M. (ur.). - Paris, France : RILEM Publications S.A.R.L. , 2019. 102-110 (ISBN: 978-2-35158-217-6).
Skup: International Conference on Sustainable Materials, Systems and Structures (SMSS 2019) Energy Efficient Building Design and Legislation
Mjesto i datum: Rovinj, Hrvatska, 20-22.03.2019.
Ključne riječi: construction and demolition waste, recycled aggregate concrete, ventilated façade, sandwich wall panel, heavyweight building
( construction and demolition waste, recycled aggregate concrete, ventilated façade, sandwich wall panel, heavyweight building )
Sažetak:
Construction and demolition waste can be used as a new resource for producing building materials, e.g. recycled aggregate concrete (RAC). Currently there is a lack of research that assess RAC’s hygrothermal properties at materials and component level. This paper presents an experimental characterization of basic hygrothermal properties of two different types of RAC: one with recycled concrete as aggregate and the other one with recycled brick as aggregate. Replacing 50% of natural aggregate with recycled has resulted with lower thermal conductivity and water vapour diffusion values, respectively. Both RACs exhibited similar adsorption behaviour in hygroscopic range, while in over-hygroscopic range RAC with recycled brick showed increased moisture retention capacity. DVS method for measuring sorption isotherms showed to be questionable for concrete specimens. At component level, innovative ventilated RAC sandwich wall panel was analyzed for different air ventilation rates and climates. The analysis was done using hygrothermal tool WUFI Pro 5.2. Proper water-repellent protection should be used for RAC envelopes. In winter period, air ventilation enhances drying out, but it does not outperform non-ventilated façade in summer period (from the aspect of moisture behavior). High thermal mass of ventilated RAC sandwich wall panel can reduce buildings heating and cooling energy demand, but this is strongly depended on systems operating mode and climate.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Izvorni jezik: eng
Kategorija: Znanstveni
Znanstvena područja:
Građevinarstvo
Upisao u CROSBI: Bojan Milovanović (bmilovanovic@grad.hr), 25. Ožu. 2019. u 12:40 sati



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