311. The influence of health claims and nutritional composition on consumers' yoghurt preferencesKrista Miklavec, Igor Pravst, Klaus G. Grunert, Marija Klopčič, Jurij Pohar, 2015, original scientific article Keywords: health claims, biotin, probiotics, conjoint analysis, cluster analysis
Published in DiRROS: 28.11.2025; Views: 172; Downloads: 85
 Full text (800,16 KB)
This document has many files! More... |
312. PV-related rooftop fires – national statistics and the impact of reporting methodsNik Rus, Vincenzo Puccia, Aleš Jug, Grunde Jomaas, 2025, published scientific conference contribution Abstract: PV-related fires have caused significant property damage over the last decade, and their numbers are still rising, thus potentially undermining solar power's intended contributions towards sustainability. Robust solutions are needed to ensure risk reduction, and incident reporting is an important part of the risk analysis process. Statistics on the adverse events provide a good insight into the more prevalent failure modes and establish the failure frequency. An assessment of the data on PV-related fires shows that Italy can expect about 10 fires per GW annually, while Slovenia can expect about 37 fires per GW annually, compared to a previously established number for an international average of 29 fires per GW. Although the rates for both countries are in the same order of magnitude as the international average, the differences can be attributed to different methods of data collection, as well as to some differences in legislation and installation requirements in the two countries. Importantly, while acceptable risk levels are typically in the order of 10⁻⁶, the observed rates are in the order of 10⁻⁴, which is in a range that demands immediate risk management actions.
Keywords: fire safety, photovoltaic systems, statistics
Published in DiRROS: 28.11.2025; Views: 147; Downloads: 103
Full text (3,36 MB)
This document has many files! More... |
313. |
314. |
315. |
316. |
317. Principles for the fire performance of external wall systemsAndrea Lucherini, Rauan Adikey, Grunde Jomaas, Jose L. Torero, 2025, published scientific conference contribution Abstract: Recent high-profile fires involving combustible façades have exposed significant gaps in both the understanding and regulation of external wall systems. Modern façade designs frequently employ polymers as insulation and/or laminated composite materials that, while improving energy efficiency, can inadvertently create pathways for vertical fire spread. Thus, there is a need to establish fundamental principles for evaluating the fire spread performance of these systems. Drawing on notable incidents, it is shown how uncontrolled flame spread can defeat compartmentation strategies, compromise occupant egress, and overwhelm firefighting efforts. Extending on previous studies, a performance-based approach to fire spread is proposed, examining four levels of relevance: material properties, product characteristics, assembly configuration, and overall building context. Key factors include combustibility, ventilation effects, and real-world variables (e.g., building characteristics). Case studies of testing methods illustrate both utility and limitations in capturing metrics relevant to façade design. Ultimately, it is advocated that there is an urgent need for rigorous, tailored assessment protocols supported by professional competence, thereby ensuring that complex external wall systems can be designed and managed to balance fire safety with sustainability and safety objectives.
Keywords: fire safety, facades, external wall systems, fire spread
Published in DiRROS: 28.11.2025; Views: 93; Downloads: 49
Full text (3,75 MB)
This document has many files! More... |
318. |
319. |
320. INFRACOMS appraisal toolkit for NRAs to assess emerging technologies in bridge and pavement managementKevin McPherson, Mogens Saberi, Fengqiao Zhang, Anna Arvidsson, Simon Fjendbo, Darko Kokot, Carl van Geem, Ali Yeganeh, 2025, published scientific conference contribution Abstract: National Road Authorities (NRAs) draw on a wide range of technologies and tools to support robust decisions on asset maintenance. However, in recent years there has been significant progress in the development of sensing technologies for data collection and advanced techniques for data processing. These technologies present an opportunity to improve asset management decisions, but also present a challenge for NRAs, as they seek to realise the benefits. This contribution presents the appraisal methodology for emerging technologies proposed by the INFRACOMS project commissioned by the Conference of European Directors of Roads (CEDR). The methodology provides objective appraisals since technologies are scrutinised against proposed subsequent criteria. Cost factors, potential benefit categories and limitations are identified. Technologies are ranked by key imperatives and scored. Technologies with a good score are evaluated more thoroughly, which may need specialist input and discussions with the technology supplier. It results in a technical score, a benefit/cost assessment and identified steps in a roadmap toward implementation. The NRAs can share their individual appraisals in a database. The second part of the project develops an action plan to guide NRAs in adapting and implementing promising emerging technologies and training sessions on the use of the developed appraisal toolkit.
Keywords: monitoring data, digitalisation, sustainability, sustainability, asset condition data, new technologies
Published in DiRROS: 28.11.2025; Views: 74; Downloads: 51
Full text (395,75 KB)
This document has many files! More... |
