Results 31 to 40 of about 2,574,071 (201)

A review of concrete 3D printed structural members

open access: yesFrontiers in Built Environment, 2023
Concrete 3D Printing (3DP) is a potential technology for increasing automation and introducing digital fabrication in the construction industry. Concrete 3D Printing provides a significant advantage over conventional or precast methods, such as the ...
Benny Raphael   +3 more
doaj   +1 more source

3D PRINTING OF FOAMED CONCRETE

open access: yesGlobal Journal of Science & Engineering, 2020
This paper discusses the needs for 3D printing in comparison to conventional construction and proposes foamed concrete material for printing. Example of 3D printing projects under study to overcome housing crisis are presented. Stability and sufficient strength and structural integrity are the main parameters to look for when looking of printable ...
Rabab Allouzi, Amer Alkloub
openaire   +1 more source

3D printing of cement composites [PDF]

open access: yes, 2010
The aims of this study were to investigate the feasibility of generating 3D structures directly in rapid-hardening Portland cement (RHPC) using 3D Printing (3DP) technology.
Williams, Reuben   +3 more
core   +1 more source

Optimising 3D printed concrete structures using topology optimisation

open access: yes, 2017
Additive manufacturing and 3D printing are rapidly developing digital fabrication techniques (Lu et al. 2015). After the first steps in small scale printing of metals (Frazier 2014) and plastics (Gibson et al.
Luković, M.   +5 more
core   +2 more sources

Buildability and Mechanical Properties of 3D Printed Concrete [PDF]

open access: yesMaterials, 2020
Recently, 3D concrete printing has progressed rapidly in the construction industry. However, this technique still contains several factors that influence the buildability and mechanical properties of the printed concrete. Therefore, this study investigated the effects of the nozzle speed, the interlayer interval time, the rotations per minute (RPMs) of
Changbin Joh   +4 more
openaire   +2 more sources

Inspection Methods for 3D Concrete Printing

open access: yes, 2020
3D Concrete Printing (3DCP) is being used for off-site manufacture of many elements found in the built environment, ranging from furniture to bridges. The advantage of these methods is the value added through greater geometrical freedom because a mould ...
Wolfs, Rob   +14 more
core   +1 more source

Hardened properties of 3D printed concrete: the influence of process parameters on interlayer adhesion [PDF]

open access: yes, 2019
The technology of 3D Concrete Printing (3DCP) has progressed rapidly over the last years. With the aim to realize both buildings and civil works, the need for reliable mechanical properties of printed concrete grows.
Salet, TAM Theo   +6 more
core   +2 more sources

Real-time vision-based control of industrial manipulators for layer-width setting in concrete 3D printing applications

open access: yesAdvances in Industrial and Manufacturing Engineering, 2022
In this paper, to have control over geometry specifications of rectangular bar-shaped layers in a robotic concrete 3D printing process, a real-time vision-based control framework is developed and proposed.
E. Shojaei Barjuei   +4 more
doaj   +1 more source

3D concrete printing – a structural engineering perspective

open access: yes, 2017
3D Concrete Printing (3DCP) is being developed in an increasing number of places around the globe. The focus is mainly on a trial-and-error based exploration of the possibilities.
Ahmed, Z.Y.   +5 more
core   +1 more source

Correlation between destructive compression tests and non-destructive ultrasonic measurements on early age 3D printed concrete [PDF]

open access: yes, 2018
3D printing of concrete and related digital fabrication techniques are enjoying rapid growth. For these technologies to be broadly accepted in structural applications and to be economically competitive, quality control methods of the process will be ...
Salet, TAM Theo   +9 more
core   +2 more sources

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