An experimental study of thermal performance of 3D printed concrete slabs

Dey, Dhrutiman; Panda, Biranchi

doi:10.1016/j.matlet.2022.133273

Cited by 20 publications

(8 citation statements)

References 5 publications

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Section: State Of 3dcp Technologymentioning

confidence: 99%

“…Additionally, researchers have examined the effect of incorporating insulation into these concrete printed structures [7]. Dey et al, in particular, completed an experiment showing the effect of including insulation in 3DCP structures [7]. In this experiment, printed concrete slabs were heated from one side, and then the thermal inertia of the slab was measured with and without insulation [7].…”

Section: State Of 3dcp Technologymentioning

confidence: 99%

“…Dey et al, in particular, completed an experiment showing the effect of including insulation in 3DCP structures [7]. In this experiment, printed concrete slabs were heated from one side, and then the thermal inertia of the slab was measured with and without insulation [7]. In conclusion, it was found that the presence of insulation increased the thermal inertia of the slab, meaning that the temperature difference between the exterior and interior surfaces was higher when insulation was present versus when no insulation was present [7].…”

Section: State Of 3dcp Technologymentioning

confidence: 99%

“…In this experiment, printed concrete slabs were heated from one side, and then the thermal inertia of the slab was measured with and without insulation [7]. In conclusion, it was found that the presence of insulation increased the thermal inertia of the slab, meaning that the temperature difference between the exterior and interior surfaces was higher when insulation was present versus when no insulation was present [7]. Pessoa et al introduced several hypotheses, such as that of placing insulation inside cavities to further enhance the thermal performance of these walls and, at the same time, limit thermal bridging [8].…”

Section: State Of 3dcp Technologymentioning

confidence: 99%

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A Structural and Thermal Comparative Review of 3D-Printed Wall Shapes

Bello

Memari

2023

Designs

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This article explores several aspects of the three-dimensional concrete printing (3DCP) industry. More specifically, it begins with a literature review discussing the background of this technology. This literature review also explores several of the challenges that the industry is currently facing. In this way, a knowledge gap is identified. More specifically, there are few studies that have explored the structural and thermal performance of typical walls printed in this industry. Therefore, we used the simulation tool in SolidWorks to examine the structural behavior of several different wall types when pressure was applied to the exterior face. In addition to this, the thermal performance of different wall types was also studied in SolidWorks by applying a temperature difference between the exterior and interior faces of each wall. For example, one wall shape in this study had minimum factor of safety of approximately 100 due when a load was applied, and the same wall lost approximately 212 W due to the temperature difference applied in this study. Finally, SolidWorks was used to calculate the moment of inertia of the cross sections of several of these walls, which helped to provide a better understanding of each wall’s structural rigidity.

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Section: State Of 3dcp Technologymentioning

confidence: 99%

Section: State Of 3dcp Technologymentioning

confidence: 99%

Section: State Of 3dcp Technologymentioning

confidence: 99%

Section: State Of 3dcp Technologymentioning

confidence: 99%

See 2 more Smart Citations

A Structural and Thermal Comparative Review of 3D-Printed Wall Shapes

Bello

Memari

2023

Designs

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“…Despite significant research advances in material design, only a few studies have investigated the thermal behavior of 3D printed concrete [ 31 , 32 ]. In this regard, the use of phase change materials (PCMs) has been steadily increasing because of their capacity to store and dissipate energy in the form of heat.…”

Section: Introductionmentioning

confidence: 99%

Printability, Thermal and Compressive Strength Properties of Cementitious Materials: A Comparative Study with Silica Fume and Limestone

et al. 2022

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Over the past decade, 3D printing in the construction industry has received worldwide attention and developed rapidly. The research and development of cement and concrete products has also become quite well-established over the years, while other sustainable materials receive considerably lower attention in comparison. This study aims to investigate the influence of the two most commonly used sustainable cementitious materials i.e., silica fume and limestone powder, on printability, thermal and mechanical properties of fly ash–Portland cement blends. Ternary blends containing Portland cement, fly ash and silica fume or limestone powder are prepared, whereas phase change material (PCM) is introduced to improve the thermal behavior. Based on the rheological properties and concurrent 3D concrete printing, improved buildability of the modified mixtures is linked to their static yield stress. Anisotropic mechanical properties are observed for 3D printed specimens, while cast specimens exhibit a maximum 41% higher compressive strength due to better material compaction. It is clear from the results that addition of silica fume and limestone powder ranged from 5% to 10%, reducing the anisotropic mechanical properties (maximum 71% and 68% reduction in anisotropic factor, respectively) in the printed specimens. The PCM addition ranged from 5% to 10% and improved thermal performance of the mixtures, as measured by a decrease in thermal conductivity (9% and 13%) and an increase in volumetric heat capacity (9% and 10%), respectively. However, the PCM-containing mixtures show around 29% reduction in compressive strength, compared to the control specimen, which necessitates new material design considering matrix strengthening methods.

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