Abstract
Currently, 3D concrete printing technology is not yet able to print ready-mixed concrete with coarse aggregates. Based on an independently developed 3D printing construction equipment system and optimized concrete materials, a 3D concrete printer that can directly print ready-mixed concrete is developed. This paper introduces the whole 3D printing process for one power distribution substation in detail, including the printing equipment, key software, concrete preparation, printing process, and construction inspection. This investigation will provide valuable design and construction experience for the future construction of 3D concrete printing.
Highlights
Architectural 3D printing is an additive-based molding technology based on a computer digital model
In 2002, Kwon et al [4] conducted an experimental and simple finite element simulation study on the material flow pattern during extrusion and deposition in the contour printing process based on ceramic materials, and they concluded that the square port can better realize the fusion between printing layers and the ideal external surface contour
It is important to note that the ready-mixed concrete 3D printing system described in this study study is equipped with a screw for torque testing in the concrete performance testing system
Summary
Architectural 3D printing is an additive-based molding technology based on a computer digital model It can be quickly formed by printing building materials layer by layer, achieving the advantages of high efficiency, low cost, and environmental protection. In 1997, Pegna [1] proposed to apply the additive manufacturing process to automatic construction to replace the complex assembly of structural members, and build a masonry structure by using sand and cement as materials. It is the origin of architectural 3D printing. Materials 2019, x, x FOR PEER REVIEW adopted as the printing material, this solves the application problem of building materials, and the structural design for the buildings of this project
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