• Microstructural Characterization of Portland Cement ...

    Mar 23, 2019· Microstructural Characterization of Portland Cement Concrete Containing Reclaimed Asphalt Pavement Aggregates Using Conventional and Advanced Petrographic Techniques ... (3D) dispositions of the microstructural features nondestructively and can be used effectively to validate the observation based on conventional techniques. This paper presents ...

  • (PDF) Current Progress of 3D Concrete Technologies

    This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • Microstructural characterization of 3D printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for more durable and environmentally friendly materials. As a consequence of super positioning cementitious layers, voids …

  • Mechanical and microstructural evolution of 3D printed ...

    Jul 26, 2021· Fig. 1 illustrates the 3D printer equipment for cementitious materials. In general, the system consists of a steel gantry, a print-head, motion sliders, and motors. The size of the steel gantry is 3.0 m (L) × 3.0 m (W) × 4.0 m (H) .A material container was mounted on a horizontal beam, which can freely move along the slider-X, slider-Z, and slider-Y.

  • Ming XIA | PostDoc Position | PhD MSc BSc | Swinburne ...

    This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum. Th...

  • An investigation into the porosity of extrusion-based 3D ...

    Abstract Concrete structures additively manufactured by extrusion-based 3D concrete are reportedly orthotropic in mechanical behavior and exhibit relative weakness in interfacial regions. Microstructure, including porosity content, 3D porosity distribution and pore morphology presents a physical basis for these phenomena. Here, a first and comprehensive microstructural investigation ...

  • Materials | Special Issue : Concrete 3D and ...

    3D concrete technology (3DCP) is a relatively new technology that was first established in the 1990s. The main weakness of the technology is the interface strength between the extruded layers, which are deposited at different time intervals. ... Microstructural Characterization of 3D Printed Cementitious Materials. by Jolien Van Der ...

  • (PDF) Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· Microstructural Characterization of 3D Printed Cementitious Materials Jolien V an Der Putten 1, *, Maxim Deprez 2, V eerle Cnudde 2,3, Geert De Schutter 1 and

  • Inter-layer reinforcement of 3D printed concrete elements ...

    Concrete 3D is an emerging technology in the construction sector, and it has been undergoing an exponential increase in that field. Nowadays, one of the most challenging subjects in 3D ...

  • Microstructural damage characterization of concrete under ...

    Oct 12, 2017· The study employs two resolution-scales to evaluate concrete samples under various cycles of freeze-thaw action. The three-dimensional microstructural damage characterization, pore network (porosity, pore size, and pore distribution) as well as the defects in the aggregates are specifically investigated.

  • Anisotropic behavior in bending of 3D printed concrete ...

    3D concrete technique offers a novel approach to build new infrastructure. However, the microstructure of 3D printed concrete has rarely been studied so far. This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • The world of 3D Concrete – A database of ...

    A novel method to enhance the interlayer bonding of 3D concrete: An experimental and computational investigation. Cement and Concrete Composites, 99: 112-119, 2019. Link ; R.J.M.Wolfs, F.P.Bos, T.A.M. Salet. Hardened properties of 3D printed concrete: The influence of process parameters on interlayer adhesion.

  • (PDF) 3D Concrete : A Systematic Review of ...

    Jul 07, 2021· 3D Concrete : A Systematic Review of Rheology, Mix Designs, Mechanical, Microstructural, and Durability Characteristics

  • Microstructural and topographic characterization of ...

    Print version ISSN 1516-1439 ... was assessed utilizing a profilometric and microstructural characterization. The concrete was dosed using the ACI - American Concrete Institute method. ... 3D topographical images and surface roughness parameters were generated, which allowed for the identification of the degradation process and the minimization ...

  • Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· materials Article Microstructural Characterization of 3D Printed Cementitious Materials Jolien Van Der Putten 1,*, Maxim Deprez 2, Veerle Cnudde 2,3, Geert De Schutter 1 and Kim Van Tittelboom 1 1 Magnel laboratory for Concrete Research, Department of Structural Engineering, Faculty of engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 60, B-9052 Ghent, …

  • Microstructural characterization of 3D printed ...

    Microstructural characterization of 3D printed cementitious materials ... Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for ...

  • Cise UNLUER | Professor (Associate) | PhD, University of ...

    The effect of nano-attapulgite clay (NC) addition on the fresh, hardened and microstructural properties of high volume fly ash (HVFA) mixes designed for 3D was investigated in this study.

  • 3D of high‑volume fly ash mixtures for digital ...

    Synthesis and characterization of one-part geopolymers for extrusion-based 3D concrete . Journal of cleaner production, 94, 307-314. • I performed the rheology and 3D experiments and prepared the manuscript drafts. ... with blast furnace slag and micro silica fume to provide adequate microstructural packing required for ...

  • Durability assessment and microstructural analysis of 3D ...

    Then, a microstructural characterization was performed through mercury intrusion porosemetry (MIP) and scanning electron microscopy (SEM) analyses. Still, not any printed element has cracked at the interlayer level. Moreover, on a microscopic level, the MIP results showed that all samples of different compositions have an equal total porosity.

  • Additive Manufacturing and Characterization of ...

    Aug 30, 2018· 10%· The role of processing in creating interfaces and their characteristics requires understanding of the microstructure of 3D-printed hardened cement paste (hcp). This work investigates the microstructural features of architectured cement-based materials, including processing-induced heterogeneous patterns, interfacial regions (IRs), and pore ...

  • Opportunities for Customization of Concrete Structures ...

    Summary of Micro-CT characterization of 3D-Printed hcp: •Revealed 4 microstructural features in lamellar architecture: macropores, and micropores at (IRs) in the form of micro-channels (smaller than 100 µ𝑚), self-rearrangement of filaments from their designed (toolpath) position,

  • Microstructural characterization of 3D printed concrete ...

    3D concrete technique offers a novel approach to build new infrastructure. However, the microstructure of 3D printed concrete has rarely been studied so far. This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • Microstructural Characterization of 3D Printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also …

  • Microstructural Characterization of Portland Cement ...

    Mar 23, 2019· A. Mukhopadhyay and X. Shi, "Microstructural Characterization of Portland Cement Concrete Containing Reclaimed Asphalt Pavement Aggregates Using Conventional and Advanced Petrographic Techniques," in Advances in Cement Analysis and Concrete Petrography, ed. D. Cong and D. Broton (West Conshohocken, PA: ASTM International, 2019), 187-206.

  • Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· Microstructural Characterization of 3D Printed Cementitious Materials. Jolien Van Der Putten Magnel laboratory for Concrete Research, Department of Structural Engineering, Faculty of engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 60, B-9052 Ghent, Belgium.

  • Research – Moini Lab

    A lab-based X-ray microscope (XRM) is typically used to perform X-ray micro-computed tomography (micro-CT) evaluations to explore the microstructural characteristics of 3-day old intact (i.e. not tested) 3D printed and cast specimens at two levels of magnification: 0.4X (in the order of 10s of microns) and 4X (in the order of microns).

  • Microstructural Characterization of 3D Printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for more durable and environmentally friendly materials. As a consequence of super positioning cementitious layers, voids …

  • ‪Shiwei Yu‬ - ‪Google Scholar‬

    Microstructural characterization of 3D printed concrete. S Yu, M Xia, J Sanjayan, L Yang, J Xiao, H Du. Journal of Building Engineering, 102948, 2021. 2021: Impact of Particle Size and Grading on Aggregate-Bed 3D Concrete . S Yu, J Sanjayan, H Du. RILEM International Conference on Concrete and Digital Fabrication, 557-563, 2020. 2020:

  • Microstructural Characterization of Portland Cement ...

    Mar 23, 2019· Microstructural Characterization of Portland Cement Concrete Containing Reclaimed Asphalt Pavement Aggregates Using Conventional and Advanced Petrographic Techniques ... (3D) dispositions of the microstructural features nondestructively and can be used effectively to validate the observation based on conventional techniques. This paper presents ...

  • (PDF) Current Progress of 3D Concrete Technologies

    This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • Microstructural characterization of 3D printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for more durable and environmentally friendly materials. As a consequence of super positioning cementitious layers, voids …

  • Mechanical and microstructural evolution of 3D printed ...

    Jul 26, 2021· Fig. 1 illustrates the 3D printer equipment for cementitious materials. In general, the system consists of a steel gantry, a print-head, motion sliders, and motors. The size of the steel gantry is 3.0 m (L) × 3.0 m (W) × 4.0 m (H) .A material container was mounted on a horizontal beam, which can freely move along the slider-X, slider-Z, and slider-Y.

  • Ming XIA | PostDoc Position | PhD MSc BSc | Swinburne ...

    This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum. Th...

  • An investigation into the porosity of extrusion-based 3D ...

    Abstract Concrete structures additively manufactured by extrusion-based 3D concrete are reportedly orthotropic in mechanical behavior and exhibit relative weakness in interfacial regions. Microstructure, including porosity content, 3D porosity distribution and pore morphology presents a physical basis for these phenomena. Here, a first and comprehensive microstructural investigation ...

  • Materials | Special Issue : Concrete 3D and ...

    3D concrete technology (3DCP) is a relatively new technology that was first established in the 1990s. The main weakness of the technology is the interface strength between the extruded layers, which are deposited at different time intervals. ... Microstructural Characterization of 3D Printed Cementitious Materials. by Jolien Van Der ...

  • (PDF) Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· Microstructural Characterization of 3D Printed Cementitious Materials Jolien V an Der Putten 1, *, Maxim Deprez 2, V eerle Cnudde 2,3, Geert De Schutter 1 and

  • Inter-layer reinforcement of 3D printed concrete elements ...

    Concrete 3D is an emerging technology in the construction sector, and it has been undergoing an exponential increase in that field. Nowadays, one of the most challenging subjects in 3D ...

  • Microstructural damage characterization of concrete under ...

    Oct 12, 2017· The study employs two resolution-scales to evaluate concrete samples under various cycles of freeze-thaw action. The three-dimensional microstructural damage characterization, pore network (porosity, pore size, and pore distribution) as well as the defects in the aggregates are specifically investigated.

  • Anisotropic behavior in bending of 3D printed concrete ...

    3D concrete technique offers a novel approach to build new infrastructure. However, the microstructure of 3D printed concrete has rarely been studied so far. This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • The world of 3D Concrete – A database of ...

    A novel method to enhance the interlayer bonding of 3D concrete: An experimental and computational investigation. Cement and Concrete Composites, 99: 112-119, 2019. Link ; R.J.M.Wolfs, F.P.Bos, T.A.M. Salet. Hardened properties of 3D printed concrete: The influence of process parameters on interlayer adhesion.

  • (PDF) 3D Concrete : A Systematic Review of ...

    Jul 07, 2021· 3D Concrete : A Systematic Review of Rheology, Mix Designs, Mechanical, Microstructural, and Durability Characteristics

  • Microstructural and topographic characterization of ...

    Print version ISSN 1516-1439 ... was assessed utilizing a profilometric and microstructural characterization. The concrete was dosed using the ACI - American Concrete Institute method. ... 3D topographical images and surface roughness parameters were generated, which allowed for the identification of the degradation process and the minimization ...

  • Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· materials Article Microstructural Characterization of 3D Printed Cementitious Materials Jolien Van Der Putten 1,*, Maxim Deprez 2, Veerle Cnudde 2,3, Geert De Schutter 1 and Kim Van Tittelboom 1 1 Magnel laboratory for Concrete Research, Department of Structural Engineering, Faculty of engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 60, B-9052 Ghent, …

  • Microstructural characterization of 3D printed ...

    Microstructural characterization of 3D printed cementitious materials ... Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for ...

  • Cise UNLUER | Professor (Associate) | PhD, University of ...

    The effect of nano-attapulgite clay (NC) addition on the fresh, hardened and microstructural properties of high volume fly ash (HVFA) mixes designed for 3D was investigated in this study.

  • 3D of high‑volume fly ash mixtures for digital ...

    Synthesis and characterization of one-part geopolymers for extrusion-based 3D concrete . Journal of cleaner production, 94, 307-314. • I performed the rheology and 3D experiments and prepared the manuscript drafts. ... with blast furnace slag and micro silica fume to provide adequate microstructural packing required for ...

  • Durability assessment and microstructural analysis of 3D ...

    Then, a microstructural characterization was performed through mercury intrusion porosemetry (MIP) and scanning electron microscopy (SEM) analyses. Still, not any printed element has cracked at the interlayer level. Moreover, on a microscopic level, the MIP results showed that all samples of different compositions have an equal total porosity.

  • Additive Manufacturing and Characterization of ...

    Aug 30, 2018· 10%· The role of processing in creating interfaces and their characteristics requires understanding of the microstructure of 3D-printed hardened cement paste (hcp). This work investigates the microstructural features of architectured cement-based materials, including processing-induced heterogeneous patterns, interfacial regions (IRs), and pore ...

  • Opportunities for Customization of Concrete Structures ...

    Summary of Micro-CT characterization of 3D-Printed hcp: •Revealed 4 microstructural features in lamellar architecture: macropores, and micropores at (IRs) in the form of micro-channels (smaller than 100 µ𝑚), self-rearrangement of filaments from their designed (toolpath) position,

  • Microstructural characterization of 3D printed concrete ...

    3D concrete technique offers a novel approach to build new infrastructure. However, the microstructure of 3D printed concrete has rarely been studied so far. This study presents the microstructural characterization of 3D printed concrete by using MIP and X-ray CT. The void size distribution reported in this study covers a wide spectrum.

  • Microstructural Characterization of 3D Printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also …

  • Microstructural Characterization of Portland Cement ...

    Mar 23, 2019· A. Mukhopadhyay and X. Shi, "Microstructural Characterization of Portland Cement Concrete Containing Reclaimed Asphalt Pavement Aggregates Using Conventional and Advanced Petrographic Techniques," in Advances in Cement Analysis and Concrete Petrography, ed. D. Cong and D. Broton (West Conshohocken, PA: ASTM International, 2019), 187-206.

  • Microstructural Characterization of 3D Printed ...

    Sep 16, 2019· Microstructural Characterization of 3D Printed Cementitious Materials. Jolien Van Der Putten Magnel laboratory for Concrete Research, Department of Structural Engineering, Faculty of engineering and Architecture, Ghent University, Technologiepark Zwijnaarde 60, B-9052 Ghent, Belgium.

  • Research – Moini Lab

    A lab-based X-ray microscope (XRM) is typically used to perform X-ray micro-computed tomography (micro-CT) evaluations to explore the microstructural characteristics of 3-day old intact (i.e. not tested) 3D printed and cast specimens at two levels of magnification: 0.4X (in the order of 10s of microns) and 4X (in the order of microns).

  • Microstructural Characterization of 3D Printed ...

    Three-dimensional concrete (3DCP) has progressed rapidly in recent years. With the aim to realize both buildings and civil works without using any molding, not only has the need for reliable mechanical properties of printed concrete grown, but also the need for more durable and environmentally friendly materials. As a consequence of super positioning cementitious layers, voids …

  • ‪Shiwei Yu‬ - ‪Google Scholar‬

    Microstructural characterization of 3D printed concrete. S Yu, M Xia, J Sanjayan, L Yang, J Xiao, H Du. Journal of Building Engineering, 102948, 2021. 2021: Impact of Particle Size and Grading on Aggregate-Bed 3D Concrete . S Yu, J Sanjayan, H Du. RILEM International Conference on Concrete and Digital Fabrication, 557-563, 2020. 2020: