Search Results - "Niklewski, Jonas"

Estimating the Service Life of Timber Structures Concerning Risk and Influence of Fungal Decay—A Review of Existing Theory and Modelling Approaches by Philip Bester van Niekerk, Christian Brischke, Jonas Niklewski

“…Wood is a renewable resource and a promising construction material for the growing bio-based economy. Efficiently utilising wood in the built environment…”
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Evaluation of Moisture and Decay Models for a New Design Framework for Decay Prediction of Wood by Jonas Niklewski, Philip Bester van Niekerk, Christian Brischke, Eva Frühwald Hansson

“…Performance-based, service-life design of wood has been the focus of much research in recent decades. Previous works have been synthesized in various…”
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Modelling in-ground wood decay using time-series retrievals from the 5th European climate reanalysis (ERA5-Land) by Marais, Brendan N, Schönauer, Marian, Philip Bester van Niekerk, Niklewski, Jonas, Brischke, Christian

“…This article presents models to predict the time until mechanical failure of in-ground wooden test specimens resulting from fungal decay. Historical records of…”
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Design and performance prediction of timber bridges based on a factorization approach by Meyer-Veltrup, Linda, Brischke, Christian, Niklewski, Jonas, Frühwald Hansson, Eva

“…Service life of timber bridges is predominantly affected by the site-specific climatic conditions in terms of moisture and temperature over time, the overall…”
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Novel water penetration criterion for clay brick masonry claddings by Kahangi Shahreza, Seyedmohammad, Niklewski, Jonas, Molnár, Miklós

“…•Investigated water absorption and water penetration in clay brick masonry.•Prepared masonry triplets with three different joint profiles for…”
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Robust probabilistic modelling of mould growth in building envelopes using random forests machine learning algorithm by Bayat Pour, Mohsen, Niklewski, Jonas, Naghibi, Amir, Frühwald Hansson, Eva

“…Probabilistic methods can be used to account for uncertainties in hygrothermal analysis of building envelopes. This paper presents methods for robust mould…”
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A literature review of probabilistic hygrothermal assessment for building envelopes by Bayat Pour, Mohsen, Niklewski, Jonas, Naghibi, Amir, Frühwald Hansson, Eva

“…This study presents a state-of-the-art review of the evolution of probabilistic hygrothermal assessments of building envelopes. First, relevant literature was…”
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Probabilistic analysis of climate change impact on fungal decay of timber elements in ground contact and their long-term structural performance by Nasr, Amro, Niklewski, Jonas, Björnsson, Ivar, Johansson, Jonas

“…Climate change can substantially affect infrastructure performance and safety. In this article, the impact of climate change on fungal decay of wooden…”
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Experimental investigation of water absorption and penetration in clay brick masonry under simulated uniform water spray exposure by Kahangi Shahreza, Seyedmohammad, Niklewski, Jonas, Molnár, Miklós

“…In this study, we performed an experimental investigation of water absorption and penetration in clay brick masonry exposed to cyclic water spraying by…”
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The effect of weathering on the surface moisture conditions of Norway spruce under outdoor exposure by Niklewski, Jonas, van Niekerk, Philip Bester, Marais, Brendan Nicholas

“…Understanding wood surface moisture variations is fundamental to the modelling of moisture content. Exposure to sunlight, fluctuating temperature and rain…”
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Modelling in-ground wood decay using time-series retrievals from the 5 th European climate reanalysis (ERA5-Land) by Marais, Brendan N., Schönauer, Marian, van Niekerk, Philip Bester, Niklewski, Jonas, Brischke, Christian

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Moisture content prediction of rain-exposed wood: Test and evaluation of a simple numerical model for durability applications by Niklewski, J., Fredriksson, M., Isaksson, T.

“…Decay prediction models are frequently used to estimate the service life of wooden components. These models require knowledge of how the material climate, i.e…”
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Numerical study on the effects of macro climate and detailing on the relative decay hazard of Norway spruce by Niklewski, Jonas, Brischke, Christian, Frühwald Hansson, Eva

“…The durability of wood depends on its in-use environmental conditions. The aim of this study was to estimate the effects associated with macro climate and…”
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The effects of joints on the moisture behaviour of rain exposed wood: a numerical study with experimental validation by Niklewski, J., Fredriksson, M.

“…Joints in timber structures are particularly vulnerable to degradation due to their tendency to trap moisture. The mechanisms involved, and their effect on the…”
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Moisture conditions of rain-exposed glue laminated timber members: the effect of different detailing : the effect of different detailing by Niklewski, Jonas, Isaksson, Tord, Frühwald Hansson, Eva, Thelandersson, Sven

“…In performance-based durability design, relating the in-use conditions of wooden members to their moisture content is an important step. In the present study,…”
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