State-of-the-Art Studies of Green and Sustainable Building Materials

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 (30 September 2023) | Viewed by 5253

Special Issue Editors


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Guest Editor
Department of Building and Real Estate, Hong Kong Polytechnic University, Hong Kong
Interests: sustainable building design; sustainability assessment; project success frameworks; decision-making frameworks; building information modelling; life cycle analysis; green building development
Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong
Interests: sustainability; sustainable built environment; sustainable construction; green building; modular and offsite construction; digital applications including building information modelling (BIM), artificial intelligence (AI) and other digital technologies
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Special Issue Information

Dear Colleagues,

Submissions are invited to this Special Issue of Buildings on the topic “State-of-the-Art Studies of Green and Sustainable Building Materials”.

Globally, the construction industry is responsible for a huge environmental impact, and a significant role in this is played by the building sector. The building sector is responsible for 1/6 of global freshwater use, 1/4 of the wood harvest, and 2/5 of global energy use. While the traditional construction and operation practices of buildings can be partially blamed for this, another significant root cause for their excessive reliance on natural resources and non-renewables is the selection of unsustainable, non-green, and non-eco-friendly building materials. Almost every green building certification system, including LEED, BREEAM, and BEAM Plus, highly approves the use of green materials in a building. Buildings are built to last for decades; this implies that materials used in them must pass the test of time in addition to the test of sustainability.

Materials used in a building affect not only the occupants through their contribution to indoor air quality (IAQ), they also affect society at large by contributing to greenhouse gas emissions, use of natural resources, and by leading to the urban heat island effect if they are not well and sustainably selected. Green roofs and green walls are becoming increasingly popular for the role they can play in curbing the urban heat island effect. While building materials are being challenged for their embodied energy and GHG emissions, they also have a critical role to play in the operational life of buildings. To ensure energy efficiency and reduced demand for non-renewable energy, materials that reduce the heat losses across the building envelope are urgently needed. To ensure energy efficiency in cold climates, passive design techniques also offer the possibility of using certain materials for thermal mass. There are endless ways in which the choice of building materials affects the triple bottom line (i.e., people, profit, and planet).

Topics of interest for publication include, but are not limited to:

  • Green walls and roofs: rainwater management, benefits for natural habitat, and contribution towards urban heat island effect.
  • Advances in building insulation materials.
  • Revival of building insulation materials from vernacular practices.
  • Use of thermal mass: heat study, energy savings, cost–benefit analysis.
  • Healthy materials: studies investigating the effect of finishing materials on indoor air quality.
  • Life cycle impact analysis of building materials.
  • Consideration of modular prefab construction from the viewpoint of circular economy.
  • Advances in structural materials with reduced environmental impact (e.g., green concrete).
  • Advances in recycled materials.
  • Construction waste utilization from the viewpoint of circular economy.
  • Advances in phase-change materials for application in buildings.
  • The use of bamboo, precast concrete slabs, cork, straw bales, plant-based polyurethane rigid foam, hempcrete, mycelium, ferrock, timbercrete, and terrazzo for building and construction.

Dr. Tayyab Ahmad
Dr. Amos Darko
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Buildings is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • sustainable building materials
  • green building materials 
  • insulation materials
  • healthy materials
  • life cycle impact analysis
  • embedded energy
  • embedded CO2 emissions
  • natural materials
  • adobe wall
  • modular construction
  • green roof
  • green concrete
  • recycled materials
  • waste utilization
  • phase-change material

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Published Papers (3 papers)

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Research

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28 pages, 1766 KiB  
Article
Innovation in Green Building Projects: An Exploratory Inquiry
by Tayyab Ahmad
Buildings 2023, 13(9), 2359; https://doi.org/10.3390/buildings13092359 - 16 Sep 2023
Cited by 3 | Viewed by 3284
Abstract
Green building (GB) projects, although being developed and operated for more than two decades, may still be regarded as innovative. To address the socio-environmental challenges of the built environment, GBs need to continuously innovate. A comprehensive account of the innovation frontiers and factors [...] Read more.
Green building (GB) projects, although being developed and operated for more than two decades, may still be regarded as innovative. To address the socio-environmental challenges of the built environment, GBs need to continuously innovate. A comprehensive account of the innovation frontiers and factors affecting GB project innovation is missing in previous studies. In this study, for an in-depth understanding of what makes these projects innovative and how to create an enabling environment for their innovation, semi-structured interviews with 45 GB experts from six regions were conducted. Innovation in GBs was found to be a function of the GB idea, constituent building technologies, potential performance, and the project development process. Key frontiers where innovation in GB projects is needed include environmental performance, health and well-being, and the resolution of mutually contradicting project aspirations. The study also identified some factors contributing to innovation in GBs, which are primarily related to support from the government, client, and project team; availability of time and budget; scalability of innovative solutions; and nature of the construction industry. A nexus between green certifications, sustainability, and innovation is also explained. The awareness and understanding of industry experts regarding GB project innovation will add to the theory of GB projects and green innovation, and will help stakeholders to create a more enabling environment for innovation. Full article
(This article belongs to the Special Issue State-of-the-Art Studies of Green and Sustainable Building Materials)
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22 pages, 9180 KiB  
Article
Mechanical Properties on Various FRP-Reinforced Concrete in Cold Regions
by Chenxuan Lu, Yongcheng Ji, Yunfei Zou, Jieying Zhou, Yuqian Tian and Zhiqiang Xing
Buildings 2023, 13(1), 138; https://doi.org/10.3390/buildings13010138 - 5 Jan 2023
Viewed by 1798
Abstract
The evaluation of frost resistance varies with different reinforcement methods, but it is a hot research topic for concrete reinforced with Fiber-Reinforced plastic (FRP). Freezing and thawing tests of FRP-reinforced concrete prisms and cylinders are presented to simulate beams and piers of buildings [...] Read more.
The evaluation of frost resistance varies with different reinforcement methods, but it is a hot research topic for concrete reinforced with Fiber-Reinforced plastic (FRP). Freezing and thawing tests of FRP-reinforced concrete prisms and cylinders are presented to simulate beams and piers of buildings in cold climates. To evaluate the specimens’ frost resistance, tests with various reinforcement techniques, morphological analysis, weight tests, and relative dynamic modulus of elasticity tests were used. Examined also were the variations in stress–strain curves for axial compression tests and load–displacement curves for bending tests following various freeze–thaw cycles. The findings indicated that after 100 freeze–thaw cycles, the weight of unreinforced concrete cylinders decreased by 9.7%, and its compressive strength decreased by 27.6%. On the other hand, CFRP-reinforced concrete cylinders (Carbon-Fiber-Reinforced Plastics) and GFRP (Glass-Fiber-Reinforced Plastics) gained 1.1% and 1.58% in weight, respectively, while the compressive strength decreased by 7.4% and 8%. After 100 freeze–thaw cycles, the weights of concrete prisms with reinforcement, without reinforcement, and with CFRP reinforcement decreased by 12.13%, 8.7%, and 9.6%, respectively, and their bending strength was reduced by 20%, 42%, and 53%, respectively. The frost resistance of the two FRP-reinforced concrete types had significant differences under freeze–thaw cycles because the prismatic specimens were not fully wrapped with FRP materials. Finally, finite element software ABAQUS was used to simulate the freeze–thaw cycle test of the two specimens. Calculated values were compared to experimental results for the load–displacement curve and the axial stress–strain curve under bending load. The comparison of peak displacement produced a maximum error of 8.6%, and the FRP-reinforced concrete model validity was verified. Full article
(This article belongs to the Special Issue State-of-the-Art Studies of Green and Sustainable Building Materials)
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Review

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24 pages, 17145 KiB  
Review
Review of Mechanical and Temperature Properties of Fiber Reinforced Recycled Aggregate Concrete
by Xinglong Yao, Zhiyang Pei, Haoyuan Zheng, Qizhou Guan, Fupeng Wang, Shuo Wang and Yongcheng Ji
Buildings 2022, 12(8), 1224; https://doi.org/10.3390/buildings12081224 - 12 Aug 2022
Cited by 19 | Viewed by 3145
Abstract
Recycled aggregate concrete has received increasing attention owing to its broad development prospects in recent years. This study discusses the enhancement mechanism of various fibers on the mechanical properties, high-temperature resistance, and freeze–thaw cycle resistance of recycled aggregate concrete. It reviews the effects [...] Read more.
Recycled aggregate concrete has received increasing attention owing to its broad development prospects in recent years. This study discusses the enhancement mechanism of various fibers on the mechanical properties, high-temperature resistance, and freeze–thaw cycle resistance of recycled aggregate concrete. It reviews the effects of fiber types and content on the strength, failure state, and resistance to recycled aggregate concrete’s high and low temperatures. The results indicate that fibers can significantly improve the flexural strength and tensile strength of recycled aggregate concrete in the bridging effect but have little effect on compressive strength. Regarding high-temperature resistance, fibers with a lower melting point can form channels in the concrete, reducing the internal pressure of water vapor. Fibers with higher melting points can act as bridges, inhibiting the generation and propagation of cracks in recycled aggregate concrete. Therefore, fiber-reinforced recycled aggregate concrete can perform better at higher temperatures than ordinary recycled aggregate concrete. Due to the high water absorption rate in recycled aggregate concrete, which is approximately 7–10 times that of natural aggregate concrete, it is easier to reach the critical water saturation of freeze–thaw damage. Results show that 0.2 kg/m3 polypropylene fiber and 1.2 kg/m3 basalt fiber show excellent performance in improving the frost resistance of recycled aggregate concrete. Full article
(This article belongs to the Special Issue State-of-the-Art Studies of Green and Sustainable Building Materials)
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