Research on Energy Efficient Green Building Based on Wood and Composite Wood

A special issue of Buildings (ISSN 2075-5309). This special issue belongs to the section "Building Materials, and Repair & Renovation".

Deadline for manuscript submissions: closed (31 May 2023) | Viewed by 10028

Special Issue Editor

University of Ljubljana, Ljubljana, Slovenia
Interests: wood-based composites; lightweight wood-based composites; material characterization; material properties; dimensional stability; formaldehyde emission; thermal conductivity

Special Issue Information

Dear Colleagues,

Wood and its products like wood-based composites are nature's most efficient building materials. They can be used as main construction materials, as insulation, or in many cases as both. Since the carbon footprint of wood and its products is low or lower compared to other building materials, its usability in and for construction becomes important when considering the environmental impact. Although this is an important issue, it is not the most important. The important issue is the functioning in the green building perspective; i.e., if one wants to characterize a material as a green material, it is important that its impact and its usability result in low environmental impact. The aim of this Special Issue is to present scientific results showing the positive influence of wood or wood composites as green building materials through creating conditions for efficient heat and mass flow (low energy consumption, creating appropriate climate conditions, etc.), demonstrating their potential as lightweight load-bearing materials, conducting C2C or LCA analysis, or presenting their energy efficiency in use.

Dr. Sergej Medved
Guest Editor

Manuscript Submission Information

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Keywords

  • wood
  • wood-based composites
  • lightweight construction
  • green building
  • low energy
  • heat flow
  • mass flow
  • environment conditions
  • C2C analysis
  • LCA analysis
  • energy efficiency

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Published Papers (2 papers)

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Research

31 pages, 4004 KiB  
Article
Mass Timber Envelopes in Passivhaus Buildings: Designing for Moisture Safety in Hot and Humid Australian Climates
by Marcus Strang, Paola Leardini, Arianna Brambilla and Eugenia Gasparri
Buildings 2021, 11(10), 478; https://doi.org/10.3390/buildings11100478 - 14 Oct 2021
Cited by 14 | Viewed by 4186
Abstract
The uptake of buildings employing cross-laminated timber (CLT) assemblies and designed to Passivhaus standard has accelerated internationally over the past two decades due to several factors including responses to the climate crisis by decarbonising the building stock. Structural CLT technology and the Passivhaus [...] Read more.
The uptake of buildings employing cross-laminated timber (CLT) assemblies and designed to Passivhaus standard has accelerated internationally over the past two decades due to several factors including responses to the climate crisis by decarbonising the building stock. Structural CLT technology and the Passivhaus certification both show measurable benefits in reducing energy consumption, while contributing to durability and indoor comfort. However, there is a general lack of evidence to support a fast uptake of these technologies in Australia. This paper responds to the compelling need of providing quantitative data and adoption strategies; it explores their combined application as a potential pathway for climate-appropriate design of energy-efficient and durable mass timber envelope solutions for subtropical and tropical Australian climates. Hygrothermal risk assessments of interstitial condensation and mould growth of CLT wall assemblies inform best-practice design of mass timber buildings in hot and humid climates. This research found that the durability of mass timber buildings located in hot and humid climates may benefit from implementing the Passivhaus standard to manage interior conditions. The findings also suggested that climate-specific design of the wall assembly is critical for mass timber buildings, in conjunction with excellent stormwater management practices during construction and corrosion protection for metallic fasteners. Full article
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15 pages, 1819 KiB  
Article
Mould Growth Models and Risk Assessment for Emerging Timber Envelopes in Australia: A Comparative Study
by Arianna Brambilla and Eugenia Gasparri
Buildings 2021, 11(6), 261; https://doi.org/10.3390/buildings11060261 - 18 Jun 2021
Cited by 9 | Viewed by 4831
Abstract
Timber envelopes provide multiple benefits in reducing both operational and embodied energy environmental impacts in construction. However, when poorly designed, they may incur in high risk of mould growth, affecting both building performance and occupant’s wellbeing. This research investigates the risk of mould [...] Read more.
Timber envelopes provide multiple benefits in reducing both operational and embodied energy environmental impacts in construction. However, when poorly designed, they may incur in high risk of mould growth, affecting both building performance and occupant’s wellbeing. This research investigates the risk of mould growth associated with emerging timber envelopes in Australia, particularly looking at mass-timber and timber-framed wall typologies. The study compares the use of two mould growth assessment models: the VTT and the IBP biohygrothermal. Results provide relevant insights on both current design approaches and performance assessment methodologies. Whilst the study is based on Australian practice, conclusions have international relevance and applicability. Full article
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