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Št. zadetkov: 13
Strižna trdnost spojev z ribjim klejem lepljenega lesa ovrednotena z metodo ABES
Matic Sitar, Andreja Pondelak, Samo Grbec, Milan Šernek
Izvirni znanstveni članek
Oznake: wood;
Strižna trdnost spojev z ribjim klejem lepljenega lesa ovrednotena z metodo ABES
Leto: 2023 Vir: Biotehniška fakulteta (UL BF)
Spectrophotometric monitoring of surfaces in show caves as a part of management plans for controlling lampenflora growth
Janez Mulec, Samo Šturm, Andreja Pondelak, Alenka Mauko
Kratki znanstveni prispevek
Oznake: jame;razrast lampenflore;čiščenje lampenflore;spektrofotometrično spremljanje;caves;lampenflora growth;lampenflora removal;spectrophotometric monitoring;
Leto: 2020 Vir: Znanstvenoraziskovalni center Slovenske akademije znanosti in umetnosti (ZRC-SAZU)
Spectrophotometric monitoring of surfaces in show caves as a part of management plans for controlling lampenflora growth
Janez Mulec, Samo Šturm, Andreja Pondelak, Alenka Mauko Pranjić
Izvirni znanstveni članek
Oznake: spectspectrophotometric monitoring;Škocjan Caves;eutrophication
Leto: 2020 Vir: ZRC SAZU
Flexible polymer connections for clt structures
Boris Azinović, Andreja Pondelak, Jaka Gašper Pečnik, Václav Sebera
Objavljeni znanstveni prispevek na konferenci
Oznake: CLT connections;flexible adhesive;polyurethane;energy dissipation;pull-off;lap-shear;
This paper explores the possibility of using flexible polymer adhesives to dissipate energy in CLT buildings during earthquakes. In the first series of tests, pull-off tests of various polyurethane (PUR) adhesives were performed. The connection was tested in pull-pull configuration using monotonic, ...
Leto: 2020 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Improved synthetic route of incorporation of nanosilicon species into phenol-formaldehyde resin and preparation of novel ZnAl-layered double-hydroxide hybrid phenol-formaldehyde resin
Ana Dremelj, Romana Cerc Korošec, Andreja Pondelak, Branka Mušič
Izvirni znanstveni članek
Oznake: fenol-formaldehidne hibridne smole;nano-SiO2;ZnAl-LDH;kompoziti;temperatura steklastega prehoda;mehanske lastnosti;phenol-formaldehyde hybrid resins;composites;glass-transition temperature;mechanical properties;
Hybrid phenol-formaldehyde (PF) resins represent one of the most important niche groups of binding systems for composites. New industrial needs, environmental requirements, and price fluctuations have led to further research on materials with enhanced mechanical and thermal properties. The preparati ...
Leto: 2022 Vir: Fakulteta za kemijo in kemijsko tehnologijo (UL FKKT)
Mode I fracture of beech-adhesive bondline at three different temperatures
Jaka Gašper Pečnik, Andreja Pondelak, Michael David Burnard, Václav Sebera
Izvirni znanstveni članek
Oznake: crack;fracture;grain orientation;temperature;European Beech;
Single edge-notched three-point bending tests (SEN-TPB) for mode I were utilized to experimentallyevaluate fracture properties of adhesive bondlines in European beech (Fagus SylvaticaL.). Thebondline was examined at two anatomical planes with TR and RT orientation and at control andtwo elevated temp ...
Leto: 2023 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Combining mineralisation and thermal modification to improve the fungal durability of selected wood species
Rožle Repič, Andreja Pondelak, Davor Kržišnik, Miha Humar, Andrijana Sever Škapin
Izvirni znanstveni članek
Oznake: thermal modification;wood mineralization;fungal durability;environmentally friendly modification methods;
The development of non-biocidal and environmentally friendly systems to protect wood against biological decay has become a high priority in recent years. In the present study the impact of an innovative modification procedure, combining two environmentally friendly modification methods: thermal modi ...
Leto: 2022 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Improving the flame retardancy of wood using an eco-friendly mineralisation process
Andreja Pondelak, Andrijana Sever Škapin, Nataša Knez, Friderik Knez, Tomaž Pazlar
Izvirni znanstveni članek
Oznake: mineralizacija;odziv na ogenj;kalcijev acetoacetat;kalcijev karbonat;les;odprti dostop;
A novel environmentally friendly method for in situ formation of CaCO3 deep inside a wood’s structure is presented. The method is based on vacuum-pressure impregnation using a one-component treatment medium – a water solution of calcium acetoacetate - and a single stage process to significantly impr ...
Leto: 2021 Vir: Zavod za gradbeništvo Slovenije (ZAG)
ǂThe ǂrole of relative humidity on crystallization of calcium carbonate from calcium acetoacetate precursor
Andreja Pondelak, Francesca Rosi, Celeste Maurich, Costanza Miliani, Srečo D. Škapin, Andrijana Sever Škapin
Izvirni znanstveni članek
Oznake: kalcijev acetoacetat;relativna vlažnost;karbonatizacija;amorfni karbonat;vaterit;mehanizem;calcium acetoacetate;relative humidity;carbonation;amorphous carbonate;vaterite;mechanism;
Calcium acetoacetate, Ca(OAcAc)2, was exposed 7, 30 and 365 days to different values of relative humidity (33%, 48%, 75% and 96%) at 40 °C in order to study its transformation to CaCO3. The resulting Ca(OAcAc)2 decomposition and the time dependence of the phase transformations were monitored and cri ...
Leto: 2019 Vir: Zavod za gradbeništvo Slovenije (ZAG)
Environmentally friendly protection of European beech against fire and fungal decay using a combination of thermal modification and mineralisation
Rožle Repič, Andreja Pondelak, Davor Kržišnik, Miha Humar, Nataša Knez, Friderik Knez, Andrijana Sever Škapin
Izvirni znanstveni članek
Oznake: les;zaščita;trajnost;mehanske lastnosti;wood;protection;durability;mechanical properties;
The demand for construction timber is continuously increasing, due to its favourable characteristics. However, the adequate protection of wood is key to its successful use, as it is flammable and susceptible to biodegradation. Given that thermal modification enhances the durability of wood, and mine ...
Leto: 2024 Vir: Biotehniška fakulteta (UL BF)
Št. zadetkov: 13
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