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Article
Materials Science, Multidisciplinary
Dhrutiman Dey et al.
Summary: This study conducted a preliminary investigation on the thermal performance of 3D printed concrete slabs and found that solid slabs had slightly lower inside surface temperature compared to casted slabs, while hollow slabs with cavities showed higher inside surface temperature. However, with added insulation, the inside temperature of hollow slabs became similar to solid slabs.
Article
Construction & Building Technology
Guowei Ma et al.
Summary: This study investigated the properties of fresh and hardened aerogel-incorporated concrete suitable for 3D concrete printing. The optimal replacement range for silica sand by aerogel in a cementitious mixture is found to be 0-20% by volume. The compressive strength of the cast specimens was slightly higher than those of the 3D printed specimens, and the thermal conductivity of the specimens decreased gradually with an increase in aerogel content.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Review
Construction & Building Technology
Pushpendra Kumar Singh Rathore et al.
Summary: This study discusses the thermophysical properties of building envelope and building materials, with a focus on the applicability of phase change materials (PCM) in building envelopes. It provides an overview of the latest literature in which PCM is directly incorporated in building materials and offers future recommendations based on identified research gaps.
SUSTAINABLE CITIES AND SOCIETY
(2022)
Article
Construction & Building Technology
Risia A. Araujo et al.
Summary: This work aimed to evaluate the influence of substituting conventional fine aggregate with LECA on the physical and mechanical properties of lightweight cement-based composites for 3D printing. The experimental results showed that replacing sand with LECA improved the thermal insulation performance of the composites without compromising their mechanical strength and porosity. Additionally, a mathematical equation that solely depends on the substitution content was derived to model the thermal behavior of the composites.
CONSTRUCTION AND BUILDING MATERIALS
(2022)
Article
Engineering, Multidisciplinary
Abraham Mansouri et al.
Summary: Cavity walls are commonly used in construction to reduce moisture and improve thermal performance. However, large cavities in 3D printed concrete walls have high convective heat transfers that affect thermal performance. The study shows that subdividing large cavities into smaller ones can significantly reduce heat transfer.
COGENT ENGINEERING
(2022)
Article
Energy & Fuels
Anna Magrini et al.
Summary: This paper discusses the use of cavity wall insulation in existing buildings for energy improvement. Cavity walls are commonly found in buildings from the 20th century throughout the EU and require urgent and deep energy renovation interventions. Filling the empty air cavity with insulating materials provides a cost-effective solution to reduce energy loss and improve building energy consumption. However, careful evaluation of the materials' behavior and potential issues is necessary. The establishment of an organized and systematic database on building envelope features can help set targeted energy-saving actions and promote efficient and economically sustainable interventions on a larger scale.
Article
Construction & Building Technology
Xinrui Lu et al.
Summary: The study compares methods to measure building envelope thermal transmittance, providing a state-of-the-art review of up-to-date measurement methods and alternatives for engineers, architects, and researchers to practically measure building envelope thermal transmittance.
Review
Construction & Building Technology
Patrick Bedarf et al.
Summary: This review aimed to define the field of foam 3DP (F3DP) in construction and provide an overview of relevant developments, challenges, and future research by analyzing over 150 peer-reviewed articles and research reports. Three major themes within the academic debate about F3DP were identified: developments in material composition and design, printing and processing technologies, and future challenges in application and material processing. The review brings together promising advancements in F3DP for construction into a systematic overview and opens new horizons in research and development for sustainable construction processes.
AUTOMATION IN CONSTRUCTION
(2021)
Article
Construction & Building Technology
Aktham S. Alchaar et al.
Summary: This study evaluated the mechanical properties of 3D printed fiber-reinforced concrete mix in different environmental conditions, revealing that high temperature accelerated water evaporation and surface dehydration, and joints in printed parts are detrimental to performance. Flexural strength increased in hot temperatures, indicating good fiber orientation during the printing process.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Construction & Building Technology
Zhiguang Zhao et al.
Summary: This study proposed a thermal inertia factor to more comprehensively evaluate the thermal insulation performance of wall materials. It was found that there is a proportional relationship between density and decrement factor as well as time lag, and the comprehensive thermal inertia of AAC panels was favorable when the density of AAC was in the range of 700-900 kg/m3.
CONSTRUCTION AND BUILDING MATERIALS
(2021)
Article
Construction & Building Technology
Marcus Maier et al.
Summary: The novel 3D-printed macro-encapsulation method for PCMs was investigated and compared to commercially available micro-encapsulated PCMs mixtures. The results showed that the macro-encapsulated samples had improved mechanical properties and significantly reduced indoor temperature, demonstrating potential for thermal retrofitting and energy-saving in tropical climates.
JOURNAL OF BUILDING ENGINEERING
(2021)
Review
Green & Sustainable Science & Technology
S. Pessoa et al.
Summary: This systematic literature review focuses on the application of large-scale additive manufacturing technology in the construction industry, specifically looking at the thermal efficiency of 3D printed buildings. Current research is primarily centered on the feasibility and thermal performance of 3D printing technology.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Construction & Building Technology
Jingting Sun et al.
Summary: The study found a highly non-uniform temperature distribution on the exterior wall surface of the 3D printed concrete building, mainly caused by variations of printing path and cross-section design. Other 3D printing characteristics, such as number of layers per printing, rest time during printing process and lay-by-layer appearance, can also affect the thermal performance of 3DPC and lead to thermal defects.
ENERGY AND BUILDINGS
(2021)
Article
Construction & Building Technology
Hannelie Marais et al.
Summary: This paper investigates the thermal performance of two 3D printed cement-based facade construction materials with different densities and thermal conductivities, presenting strategies for improving thermal performance through cavity arrangements. The study shows that neglecting cavity radiation and convection can significantly underestimate heat transfer, while reducing cavity widths can enhance thermal insulation.
JOURNAL OF BUILDING ENGINEERING
(2021)
Article
Construction & Building Technology
Thadshajini Suntharalingam et al.
Summary: Three-dimensional-printed concrete (3DPC), also known as digital fabrication of concrete, shows potential in sustainable built environment development with global achievements. However, challenges remain due to limited understanding of its performance. Research indicates that 3DPC walls without cavity insulation have low energy performance, but performance can be improved with insulation.
Article
Construction & Building Technology
Haidar Alhaidary et al.
Summary: Climate change has driven the development of energy conservation in buildings, with this research proposing a new method for creating an energy model of modern office buildings using a BIM-IRT-HFS framework. The study focuses on investigating passive heat-gain reduction measures through the building envelope, highlighting the significant impact of window replacement in conserving energy. The research also evaluates some BIM interoperability challenges in the context of the United Arab Emirates climate.
ADVANCES IN BUILDING ENERGY RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Vlatka Rajcic et al.
APPLIED SCIENCES-BASEL
(2020)
Article
Construction & Building Technology
Malek Mohammad et al.
Article
Energy & Fuels
Paulo Santos et al.
Article
Construction & Building Technology
Paulo Santos et al.
JOURNAL OF BUILDING ENGINEERING
(2019)
Proceedings Paper
Architecture
Maria Kaszynka et al.
3RD WORLD MULTIDISCIPLINARY CIVIL ENGINEERING, ARCHITECTURE, URBAN PLANNING SYMPOSIUM (WMCAUS 2018)
(2019)
Article
Energy & Fuels
Jingchao Xie et al.
Article
Materials Science, Multidisciplinary
Maria Valentini Sarakinioti et al.
MATERIALS TODAY COMMUNICATIONS
(2018)
Article
Green & Sustainable Science & Technology
Roman Kunic
Proceedings Paper
Construction & Building Technology
S. Kotti et al.
SUSTAINABLE SYNERGIES FROM BUILDINGS TO THE URBAN SCALE
(2017)
Article
Materials Science, Multidisciplinary
C. Gosselin et al.
MATERIALS & DESIGN
(2016)
Review
Construction & Building Technology
Johnny Kwok Wai Wong et al.
AUTOMATION IN CONSTRUCTION
(2015)
Review
Construction & Building Technology
I. Hernandez-Perez et al.
ENERGY AND BUILDINGS
(2014)
Article
Green & Sustainable Science & Technology
Afshin Afshari et al.
