diplomski projekt
Nejc Zakrajšek (Author), Boštjan Lesar (Reviewer), Miha Humar (Mentor), Nejc Thaler (Co-mentor)

Abstract

Les v zadnjem času spet pridobiva na veljavi in ugledu; delež uporabe lesa kot gradbenega materiala se povečuje. Tako danes opazimo vse več lesenih fasad, ki krasijo vse vrste objektov. Lesene fasade so primerne tako za stanovanjske hiše kot tudi za večje javne stavbe in poslovno-stanovanjske objekte. Vsem lesena fasada predstavlja zaščito osnovne konstrukcije pred vplivi okolja, hkrati pa je pomemben oblikovalski in estetski element stavbe. Les uporabljen za leseno fasado sodi med estetsko bolj obremenjene lesene površine. Kakovost lesene fasade opredeljuje pravilna izbira drevesne vrste, natančna vgradnja in strokovna izvedba detajlov. Pravilen način vgradnje je temeljnega pomena za trajnost lesene fasadne obloge. Ob upoštevanju načel konstrukcijske zaščite in dejstva, da mora biti lesena fasada prezračevana, je skrb za trajnost lesenih fasad odveč. Vseeno pa ne gre pozabiti na dejstvo, da je lesena fasada močno izpostavljena fotodegradaciji in predvsem delovanju gliv modrivk. Spremljali smo leseno fasado na modelnem objektu, postavljenem na vrtu Biotehniške fakultete Oddelka za lesarstvo. Leto in pol smo opravljali meritve vlažnosti lesa, temperature, sončnega obsevanja, zadrževanja kondenza na površini lesa in vremenskih pogojev. Večkrat letno smo ocenjevali pomodrelost fasadnih elementov. Tako smo ob korelaciji lesne vlažnosti z izpostavljenostjo smrekovih, macesnovih in borovih fasadnih elementov ugotovili, da se je najbolje odrezala jedrovina bora, sledi ji smrekovina, nato beljava bora, najslabše pa se je obnesla macesnovina

Keywords

les;lesena fasada;glive modrivke;modrenje;modelni objekt;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL BF - Biotechnical Faculty
Publisher: [N. Zakrajšek]
UDC: 630*844.1
COBISS: 2434185 Link will open in a new window
Views: 399
Downloads: 108
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Other data

Secondary language: English
Secondary title: Correlation between moisture content of softwood species and blue-staining on the facade of a model object
Secondary abstract: Importance of wood as building material is increasing again. Thus more and more wooden facades can be seen, decorating all types of buildings nowadays. Wooden facades are suitable for residential houses as well as larger public and business-residential buildings, since they protect their basic construction from environmental effects, and at the same time they are an important element of design and aesthetics. Wood used for wooden facade belongs to severely exposed surface. The quality of wooden facade is defined by the right choice of a wood species, precise instalment and professional execution of details. The proper installation is essential for the permanence of wooden facade. There is no reason to worry about the performance of wooden facade if principles of constructional protection, and the fact that wooden facade needs to be ventilated, are considered. Nevertheless, the fact that wooden facade is highly exposed to photo degradation, and even more to blue stain fungus activity, should not be overlooked. We monitored a wooden facade on a model house located in the garden of Department of Wood Science and Technology at Biotechnical Faculty. We have been measuring the numerous parameters for one and a half year. We evaluated to which degree the facade elements blue stained multiple times a year. Correlating the moisture and exposure of spruce, larch and pine wood elements we established that pine heartwood proved to be the most effective, followed by spruce wood, then pine sapwood; while larch wood performed the worst
Secondary keywords: wood;wood facade;blue stain fungi;blue staining;model object;
Type (COBISS): Diploma project paper
Thesis comment: Univ. v Ljubljani, Biotehniška fak., Oddelek za lesarstvo
Pages: VII, 50 f.
ID: 11911648