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Analiza vpliva različnih debelin toplotne izolacije v sistemih inverznih in kombiniranih ravnih streh : diplomska naloga
Šoš, Petra (Author), Kunič, Roman (Mentor) More about this mentor... This link opens in a new window, Logar, Janko (Thesis defence commission member), Košir, Mitja (Thesis defence commission member)

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Abstract
Na projektu enostavne stanovanjske stavbe se zasnuje študija prehoda toplote in difuzije vodne pare skozi del ovoja stavbe. S pomočjo računalniškega programa se sestavi primere konstrukcijskih sklopov ravnih streh dveh tipov; prvič, inverzna ali obrnjena in drugič, kombinirana (tudi duo) ravna streha. Ob upoštevanju zahtev o dovoljeni toplotni prehodnosti sistema ravnih streh iz Pravilnika o učinkoviti rabi energije v stavbah (PURES 2010) vključno s pripadajočo tehnično smernico ter obravnavi računske metode toplotne prehodnosti gradbenih elementov iz standarda ISO 6946, se preuči vpliv različnih razmerij toplotnih izolacij med dvema tipoma ravnih streh na spremembo prehoda toplote in s tem potreb po spremembi debelin toplotnoizolacijskega materiala v sistemu obravnavanih streh. V prvem delu študije prehoda toplote skozi konstrukcijske sklope se upošteva dodatek za obrnjene ravne strehe v obliki popravka, navedenega v prilogi standarda ISO 6946. Slednji vključuje popravek toplotne prehodnosti na sistemu zaradi upoštevanja dodatnih izgub toplote na račun precejanja vode skozi stike toplotnoizolacijskega sloja. Hkrati pa je v omenjenem dodatku standarda ISO 6946 dodan še zahtevek po popravku za toplotno prevodnost z upoštevanjem spremembe toplotne prevodnosti toplotne izolacije z namenom vključitve možnosti povečanja vsebnosti vlage zaradi difuzije vodne pare, kar se predstavi v drugem delu študije.

Language:Slovenian
Keywords:gradbeništvo, UNI, dipl., toplotna prehodnost, toplotna prevodnost, obrnjena ravna streha, kombinirana ravna streha, kombinirana ravna streha, debelina toplotne izolacije, ISO 6946:2007
Work type:Undergraduate thesis (m5)
Tipology:2.11 - Undergraduate Thesis
Organization:FGG - Faculty of Civil and Geodetic Engineering
Year:2015
Publisher:[P. Šoš]
Number of pages:XVIII, 136 str., 10 pril.
Place:Ljubljana
UDC:536.28:699.8(043.2)
COBISS.SI-ID:7170913 This link opens in a new window
Views:2746
Downloads:886
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Secondary language

Language:English
Title:The Analysis of different thermal insulation thicknesses in the systems of inverted and combined flat roofs
Abstract:
The aim of the project of one-dwelling building is to conduct a study of thermal flux and diffusion of water vapour through a part of the building cladding. By means of a computer program, examples of structural complexes of flat roofs of two types are made – inverted flat roof and combined flat roof. By complying to the criteria of allowed thermal transmittance of flat roofs as are written in the PURES 2010 (Pravilnik o učinkoviti rabi energije v stavbah), including the corresponding technical directive and the treatment of calculation method of the thermal transmittance of building components set by the ISO 6946 standard, the effect of different ratios of thermal insulation between the two types of flat roof on the change of thermal flux and the corresponding needed change of the thermal insulation thickness of the material in the system of the roofs in consideration is studied. An appendix on inverted flat roofs is taken into account in the first part of the study of the thermal flux through structural complexes, a correction stated in the ISO 6946 standard. The latter contains a correction on the system’s thermal transmittance in regard to the additional heat loss due to the water percolation through the juncture of thermal insulation layer. Additionally, an appeal for the correction of the thermal conductivity in regard to the change of thermal conductivity of the thermal insulation is made in the aforementioned appendix, to integrate the possible increase of the moisture content due to the diffusion of water vapour. This subject is represented in the second part of the study.

Keywords:graduation thesis, civil engineering, thermal transmittance, thermal conductivity, inverted flat roof, combined flat roof, thermal insulation thickness, ISO 6946:2007

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