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Ključne besede: BFRP, corrosive environment, long-term performance, mechanical performance, experimental study
Objavljeno v DiRROS: 24.04.2025; Ogledov: 117; Prenosov: 46
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Ključne besede: hybrid composite, hand lay-up method, mechanical properties, personal protective equipment
Objavljeno v DiRROS: 24.04.2025; Ogledov: 108; Prenosov: 41
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Povzetek: Building and civil engineering conventional inorganic binding materials represent a significant burden for the environment, leading to the search for more sustainable materials. One of the potential solutions is alkali-activated materials (AAMs), which can be made solely from waste materials and at lower temperatures. However, reaction rate and solidification time depend on the precursor used. To enhance the speed of solidification, the curing temperature can be increased, but from the inside out not to create the crust on the surface, which would hinder the dehydration. Therefore, three mixtures of alkali-activated glass wool, a slow-in-alkali media solidifying precursor, were irradiated with low- and high-power microwaves in the late curing stage till complete dehydration, to determine the influence of artificial volumetric solidification onto thermomechanical behaviour of the AAM. As the electromagnetic power increased, the damages in the AAM became more severe, resulting in a reduction in mechanical strength.
Ključne besede: microwave irradiation, electromagnetic dehydration, glass wool, alkali-activated materials, mechanical performance
Objavljeno v DiRROS: 07.04.2025; Ogledov: 119; Prenosov: 83
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Ključne besede: backfill, centrifugal simulation, osmotic pressure, mechanical properties
Objavljeno v DiRROS: 21.02.2025; Ogledov: 202; Prenosov: 93
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Povzetek: The influence of digitalised images on individual and societal life has become considerable. The digital media revolution exercises a particular impact on the way we engage with works of art. In contrast to other educational institutions, museums structure the relationship to the past primarily through the arrangement of objects and artefacts, and they ensure that religious and non-religious cultural heritage is preserved. However, the emergence of digital technologies is changing the self-image of museums. Even though digital copies are playing an important role for presenting medieval artefacts, there are still hardly any criteria to determine their use in muse-ums. In this regard, the present study begins with a practice-orientated re-reading of Walter Benjamin’s classic essay “The Work of art in the age of its Technological Reproducibility”. Benjamin’s essay focuses on the aura of an original work of art, which changes when it is technologically reproduced. In a practice-orientated re--reading, Benjamin’s aura can be considered from different aspects: as practices of describing, seeing and comparing. From this perspective, a deeper re-reading takes these practices as a starting point for developing further criteria: modes of presen-ting, (re)constructing and arranging. as a result, the application of these practices and criteria opens up new perspectives not only for engaging with works of art and their technologically reproduced copies, but also for digital copies. Two case studies will be used to examine whether and to what extent the crite-ria gained by re-reading Benjamin’s essay are suitable for facilitating the accessibi-lity of artefacts through digital copies. The chosen artefacts date from the period to which Benjamin ascribes the largest dense aura – the Middle ages: the Bayeux Tapestry and the Halderner altar.
Ključne besede: practice-theoretical approach, (religious) work of art, original artefacts, Bayeux tapestry, Halderner altar, (religious) materiality, digital copy, mechanical produced copy
Objavljeno v DiRROS: 11.02.2025; Ogledov: 131; Prenosov: 67
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