Evaluation of green roof characteristics in green building assessment

Sekulić, Mirjana; Stanković, Bojana; Jovanović-Popović, Milica

doi:10.5937/a-u38-5054

Cited by 2 publications

(2 citation statements)

References 3 publications

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“…[2,3] Termin zeleni (vegetacioni) krov koristi se za opisivanje krovnog sistema čija je konstrukcija prekrivena vegetacijom ko- ja se nalazi na poslednjoj etaži zgrade ili na bilo kojoj koti objekta i predstavlja njenu završnu krovnu površinu. [4,5] U naučnim istraživanjima, u upotrebi su i termini: krovni vrtovi, krovne bašte, živi krovovi (living roofs) i eko krovovi (eco roofs). [6] Krovni vrt (zeleni krov) je otvoreni prostor ili vrt izgrađen kao složena biofizička struktura preko krovne konstrukcije gde je omogućen rast vegetacije u supstratu [4,5] 2.…”

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“…[4,5] U naučnim istraživanjima, u upotrebi su i termini: krovni vrtovi, krovne bašte, živi krovovi (living roofs) i eko krovovi (eco roofs). [6] Krovni vrt (zeleni krov) je otvoreni prostor ili vrt izgrađen kao složena biofizička struktura preko krovne konstrukcije gde je omogućen rast vegetacije u supstratu [4,5] 2. KLASIFIKACIJA ZELENIH KROVOVA Najrasprostranjenija klasifikacija zelenih krovova obuhvata: ekstenzivne, poluintenzivne i intenzivne zelene krovove.…”

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Impact of green roofing on the energy performance of a residential building with a sunspace

Vukadinović¹,

Radosavljević²,

Đorđević³

et al. 2021

Tehnika

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The construction of green, or vegetated roofs, can mitigate the heat island effect, reduce the energy required for cooling of buildings, allow for efficient precipitation management, improve air quality, increase biological diversity, reduce noise, etc. This paper uses the method of dynamic simulation to investigate how different green roof types influence the energy properties of an individual residential building with a sunspace located in the city of Niš. The obtained results show that when the extensive type of green roof is used on the model of the building with a sunspace, there are no significant changes in the required energy for heating or cooling. The biggest reduction of the energy required for heating and cooling occurs when an intensive green roof is used. In the subvariant of the model with an intensive green roof, the required energy for heating was 0.34% lower while the required energy for cooling was 2.32% lower compared to the model of the building without a green roof

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Impact of green roofing on the energy performance of a residential building with a sunspace

Vukadinović¹,

Radosavljević²,

Đorđević³

et al. 2021

Tehnika

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The Potential of Recycled Locally-Sourced Waste Materials for Green Roof Soil Mixtures

Kasmin

Munir

Razak

et al. 2017

KEM

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The increase in surface runoff has become a serious environmental problem and concern in Malaysia. Hence, promoting the use of green roofs in urban areas will potentially allow some storage area and time attenuation for any rainfall. Initial studies on a few substrate mixtures were done in order to find out the properties of green roof media. These included vermiculite (V), perlite (P) and peat moss (PM) together with locally-sourced waste materials such as empty fruit bunches (EFB) and wet diaper gel (D) which are expected to potentially retain more storm water runoff. A test on the substrate mixture properties and evaporation tests were conducted on seven types of soil mixtures. The results show that a basic substrate mixture of PVPM3,5,2 has a maximum water capacity of 50%. The modification and addition of diaper gel in DVPM1,3,2 and empty fruit bunch (EFB) in PEFBPM1,0.3,2 show an increment in both mixtures’ water holding capacity (54%). All the proposed mixtures have shown permeability values larger than 0.0005 cm/s. To investigate the maximum water storage availability, the evaporation tests show that both mixtures could provide 60 - 62 mm of water storage after 34 days without rainfall under ambient climatic condition (32 ̊ to 34 ̊) whereas under extreme heat temperatures (50 ̊), both mixtures took only 1 day to provide the same storage as the ambient condition. Therefore, this study has provided an initial understanding of the properties of the substrate mixture as well as the evaporation rate of the materials tested. This information can be used to demonstrate the relationship between soil characteristics and local climatic factors (temperature).

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Evaluation of green roof characteristics in green building assessment

Cited by 2 publications

References 3 publications

Impact of green roofing on the energy performance of a residential building with a sunspace

Impact of green roofing on the energy performance of a residential building with a sunspace

The Potential of Recycled Locally-Sourced Waste Materials for Green Roof Soil Mixtures

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