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Rezultati raziskav odprtega dostopa

Micromechanics of the internal bond in wood plastic composites: integrating measurement and modeling

Matthew Schwarzkopf, Lech Muszyński, Chad C. Hammerquist, John A. Nairn
Wood Science and Technology
wood digital image correlation strain

In this study, an integrated approach combining experimental measurements and numerical modeling was used for characterization of load transfer in the wood/matrix interface in wood plastic composites (WPCs). The experimental methodology was based on optical measurement of surface displacements and s...

Is sedentary behavior increasing with age?

Podrekar Nastja, Kozinc Žiga, Šarabon Nejc
sedentary behavior young workers, older workers correlation

Sedentary behavior has been identified as a significant risk factor for pre-mortality independently of daily physical activity. At the same time the number of older adults remaining at work increases nowadays. The issue of sedentary behavior in older adults is therefore a growing field of research. ...

Static and dynamic performance of wood modified with phenol formaldehyde

Jaka Gašper Pečnk, Hannes Schwager, Matthew Schwarzkopf, Holger Militz
fatigue life stress level phenol formaldehyde chemical modification

Conference abstract for 8th Hardwood Conference...

Utilisation of chemically modified lampante oil for wood protection

Matthew Schwarzkopf, Michael Burnard, Viacheslav Tverezovskiy, Andreas Treu, Miha Humar, Andreja Kutnar
European Journal of Wood and Wood Products
wood protection olive oil wood modification

Within the Slovenian region of Istria, the olive growing and oil production industry is strong. This industry has a long history and the olives grown here have high levels of biologically active compounds including a variety of phenolic compounds. Using residual materials generated by this industry ...

Experimental and numerical analysis of flexible polymer connections for CLT buildings

Boris Azinović, Miha Kramar, Tomaž Pazlar, Matija Gams, Arkadiusz Kwiecien, Jan Weckendorf, Iztok Šušteršič
CLT connections flexible adhesive polyurethane energy dissipation equivalent viscous damping cyclic tests dynamic tests

The paper explores the possibility of using flexible adhesives to dissipate energy in CLT buildings during earthquakes. In the first series of tests, a rod glued in a CLT panel with flexible adhesive was investigated. The connection was tested in pull-pull configuration using cyclic, tension-only lo...

Experimental and numerical analysis of fracture toughness of thermally modified beech in mode II

Václav Sebera, Miguel Redon, Martin Brabec, David Děcký, Petr Čermák, Jaromír Milch, Jan Tippner
thermally modified beech fracture toughness crack digital image correlation finite element analysis

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

An optical method for rapid examination of check development in decorative plywood panels

Michael David Burnard, Lech Muzynski, Scott Leavengood, Lisa Ganio
European Journal of Wood and Wood Products
Digital Image Correlation optical methods crack assessment maple veneer plywood

Common methods for assessment of surface checking in decorative plywood panels rely on manual handling and visual inspection of specimens, a laborious procedure practically limiting the number of materials and variables that may be considered within one project. In this study, a new automated optica...

Review: wood modification techniques based on cell wall bulking with non-toxic chemical reagents

Kelly Peeters, Emmanuel Fredon, Philippe Gérardin, Charlotte Grosse, Callum A.S. Hill, Clément L'Hostis, Miha Humar, Dennis Jones, Erik Larnøy, Marion Noël, Anna Sandak
cell wall bulking esterification reaction Maillard reaction non-toxic reagents wood modification

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Hemp in Slovenia: challenges and opportunities

Laetitia Marrot
hemp fibres Slovenia renewable

The poster describes the environmental advantages of using hemp, the mechanical properties of the hemp fibres, the extend of the cultivation of hemp in Slovenia and Europe, the hurdles encountered in Slovenia and the envisioned work...

Common themes in Wood Modification and Environmental Impact Assessment of Wood

Michael Burnard, Marko Posavčević, Edo Kegel
bibliometrics network analysis wood modification environmental impact assessment meta-analysis

Bibliometric analysis utilises data mining techniques to capture selected aspects about a set of publications. For instance, researchers can quickly assess how research themes change over time, identify new trends in research, gaps in the knowledge base, assess collaboration patterns, identify key r...

Data management at the InnoRenew CoE

Ana Slavec, Michael D. Burnard, Andreja Kutnar
data management InnoRenew CoE

The InnoRenew CoE Renewable Materials and Healthy Environments Research and Innovation Centre of Excellence is a young interdisciplinary research institute with two key research areas: wood modification and restorative environmental and ergonomic design. It was established as part of the InnoRenew p...

Wood protection from the olive industry

Matthew Schwarzkopf, Michael Burnard
modification olive oil protection wood

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Human health research at the InnoRenew CoE

Michael Burnard, Jure Pohleven, Dean Lipovac, Nastja Podrekar
Human Health built environment wood buildings restorative environmental and ergonomic design mental wellbeing ergonomics active aging volatile organic compounds

An overview of ongoing research at the Innorenew CoE to improve human health in the built environment (Fall/Winter 2018). Presented at the 2018 SWST/JWRS International Convention in Nagoya, Japan....

Extended Utilization of Forest Production & Wood Material: Hardwood Usage from Native Properties to Wood Modification

Peter Rademacher, Radim Rousek, Petr Pařil, Jan Baar, Stanislav Horníček, Zuzana Paschová, Róbert Németh, Tamás Hofmann, Fanni Fodor, Gerald Koch, Andreja Kutnar
Extended biomass production lesser used wood species wood modification high use value for recovered wood wood based panels renewable sources for adhesives

Conference abstract for 8th Hardwood Conference...

Exploring connections between researchers and ideas in the European Hardwoods Innovation Alliance using two-mode social network analysis

Ana Slavec, Barbara Rovere, Uwe Kies, Andreas Kleinschmidt von Lengefeld
innovation research mapping and clustering social network analysis.

Two-mode social network analysis (SNA) can be applied to data that consists of two sets of units, from analysing persons and societies to authors and papers. The objective of this paper is to evaluate the possibilities of this approach for the analysis of connections between researchers and their fu...

An examination of the potential for the use of the Maillard reaction to modify wood

Kelly Peeters, Erik Larnøy, Andreja Kutnar, Callum A.S. Hill
International Wood Products Journal
Beech and pine Maillard reaction primary amines sugars thermal reaction water deliverable wood modification

Finding efficient ways to decrease wood decay caused by fungi is an important issue in the timber construction. A possible way to avoid wood decay by fungi is by reducing the water content of wood, since water is a primary condition for fungal growth. Bulking of the wood cell wall by chemical rea...

Life Cycle Assessment – Opportunities for Forest Products Sector

Andreja Kutnar, Callum AS Hill
wood S-LCA product category rules (PCR) environmental impact environmental product declaration (EPD) forest products life cycle assessment (LCA) O-LCA

The utilization of wood in long life products, such as construction materials in the built environment, is an e ective way to optimize the use of natural resources while also reducing negative environmental impacts. However, the environmental bene ts of timber, especially in the construction sector,...

The effect of sedentary work on trunk functions – in context of older employees

Kaja Kastelic, Matej Voglar, Nejc Šarabon
sensory-motor trunk functions sitting workplace lower back pain

Aging of the (active) population bring many challenges, which mainly results from a lack of health. The aim of our study was to test, whether there are differences in sensory-motor trunk functions between younger and older employees. We also tested whether work influence them differently. Fifty (30 ...

Fracture toughness of thermally modified wood in mode II

Václav Sebera, Miguel Redon, Martin Brabec, David Děcký, Petr Čermák, Jaromír Milch, Jan Tippner
fracture toughness thermal modification mode II digital image correlation end-notched test

Conference abstract for 8th Hardwood Conference...

Assessment of lignocellulosic-substrate fungi-based materials

Laetitia Marrot, Marica Mikuljan, Franc Pohleven
fungi wood hemp lignocellulosic

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Human interaction with wood – what to measure, how to measure?

Anna Sandak, Jakub Sandak, Agnieszka Landowska, Veronika Kotradyová
wood perception wearable sensors preference test

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Can modified wood compete with untreated wood in preference of people?

Dean Lipovac, Michael D. Burnard, Andreja Kutnar, Anna Sandak
wood modification perception evaluation preference well-being

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

Wood modification technologies - a review

Dick Sandberg, Andreja Kutnar, George Mantanis
iForest - Biogeosciences and Forestry
Chemical Treatments Thermo-hydro-mechanical LCA Acetylation Furfurylation Resin Impregnation Environmental Impacts Densification

The market for new durable products of modified wood has increased substan- tially during the last few years, especially in Europe. This increased interest depends partly on the restricted use of toxic preservatives due to increased environmental concern, as well as the need for reduced maintenance ...

Conference abstract for 8th Hardwood Conference...

Prototype of the Near-Infrared Spectroscopy Expert System for Particleboard Identification

Anna Sandak, Jakub Sandak, Dominika Janiszewska, Salim Hiziroglu, Marta Petrillo, Paolo Grossi
Journal of Spectroscopy

The overall goal of this work was to develop a prototype expert system assisting quality control and traceability of particleboard panels on the production floor. Four different types of particleboards manufactured at the laboratory scale and in industrial plants were evaluated. The material differe...

Strategies for improvement of visibility and acceptance of modified wood

Anna Sandak, Viviana Golja, Julia Belda, Jens Geissmann-Fuchs, Kelly Peeters, Jakub Sandak, Janja Juhant Grkman, Silvo Hribernik, Dean Lipovac, Peter Nadrah
modified wood interaction with materials human perception product visibility

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...

This repository contains raw data from experiments investigating the reliability of shear-wave elastography (SWE) to assess muscle stiffness. The first dataset contains meat specimen experiments (using porcine meat specimens). The second and third datasets contain the measurements of human subjects,...

Performance of three-layer composites with densified surface layers of Nothofagus pumilio and N. antarctica from Southern Patagonian forests

Matthew Schwarzkopf, Michael Burnard, Guillermo Martínez Pastur, Lucas Monelas, Andreja Kutnar
Wood Material Science & Engineering
Densification silviculture low-density wood modified wood hardwoods

Nothofagus pumilio and N. antarctica forests of Southern Patagonia, Argentina are currently being managed for production of saw logs with fast growing conditions. The result of these management strategies is faster growing forests, but also an increase in the percentage of low-density wood. The moti...

Damage progression analysis in a historical timber framed wall under cyclic loads through an image-based tracking method

Jakub Sandak, Mariapaola Riggio, Nicola Ruggieri, Anna Sandak
Construction and Building Materials
Image-based tracking Cyclic loads Damage progression Historical timber-framed wall

The scope of this paper is to analyse local phenomena associated with the damage progression and postelastic behaviour of a historical timber-framed wall system under cyclic loads. It was assessed on series of points identified on the wall by processing time-resolved sequences of images. Dedicated m...

Examining the evolution and convergence of wood modification and environmental impact assessment in research

Michael Burnard, Marko Posavčević, Edo Kegel
iForest - Biogeosciences and Forestry
Bibliometrics Data Mining Network Analysis Wood Modification Environmental Impact Assessment COST Action FP1407 Wood
Supplemental material:

This paper uses network analysis of two fields to demonstrate the value of the technique, and to examine how the fields have changed over time and to what extent they overlap. This was of interest for a COST Action (FP1407, ModWoodLife: http://costfp1407.iam.upr.si)...

European Hardwoods Innovation Alliance: first results of a European survey on hardwoods research needs and priorities

Barbara Rovere, Ana Slavec, Uwe Kies
innovation scientific collaboration social network analysis survey

Conference abstract for 8th Hardwood Conference...

Wood preservatives utilizing low-value olive oil production by-products: Analysis

Michael Burnard, Matthew Schwarzkopf, Viacheslav Tverezovskiy, Andreas Treu, Miha Humar, Andreja Kutnar

The objective of this study was to develop and assess the efficacy of two experimental methodologies for the maleinisation of lampante oil to be used for wood protection. Two maleinisation techniques were used to chemically modify low-value lampante oil in an attempt to limit leaching, increase hyd...

XLAM RIBBED PLATES

Iztok Šušteršić, Bruno Dujič, Simon Aicher
Cross-laminated timber Hybrid plates Experimental testing Ribs Material rationalisation

Cross laminated timber (CLT, X-lam) started its mass production in the beginning of the 21st century. Over time it has become one of the most used products in the timber construction industry with its worldwide use constantly growing. The quantity of yearly cut timber especially in Europe is sl...

Community based influence maximization in the Independent Cascade Model

László Hajdu, Miklós Krész, András Bóta
Proceedings of the 2018 Federated Conference on Computer Science and Information Systems
Community detection Infection maximization Independent Cascade Model

Community detection is a widely discussed topic in network science which allows us to discover detailed information about the connections between members of a given group. Communities play a critical role in the spreading of viruses or the diffusion of information. In [1], [8] Kempe et al. proposed ...

Multi-depot bus schedule assignment with parking and maintenance constraints for intercity transportation over a planning period

Dávid Balázs, Krész Miklós
Transportation Letters
Bus scheduling parking maintenance long-term planning public transportation assignment integer programming network flow

This article introduces the schedule assignment problem for public transit, which aims to assign vehicle blocks of a planning period to buses in the fleet of a transportation company. This assignment has to satisfy several constraints, the most important of which is compatibility, meaning that certa...

Durability of modified wood and bio-based materials under outdoor conditions

Heikko Kallakas, Kevin Visnapuu, Triinu Poltimäe, Jaan Kers, Anna Sandak
modified wood bio-based materials natural weathering durability façade performance

Conference abstract for Final COST Action FP1407 International Conference - Living with modified wood...