Numerous technologies involving 3D printing (3DP) of concrete elements have been developed, and their application in construction projects has been growing. The 3DP in concrete construction is increasing due to its freedom in geometry, rapidness, formwork-less printing, low waste generation, eco-friendliness, cost-saving nature, and safety.
69 discuss the challenges of using 3D printing in the construction industry and hope t- hat by 70 . addressing these challenges, better utilization of the technology in the future can be expected. 71 . 2. The definition and characteristics of 3-D printing in the construction . 72 . industry
3D printing, also known as additive manufacturing (AM), is a rapidly developing manufacturing technology, has gradually become an emerging and crucial adjunctive tool in medicine, and is the preferred method for fabrication of organ models. 3D printing constructs complex functional 3D structures layer by layer from various materials, [5-7] and
3D printing is taking home construction to new heights. In Houston, a giant printer is building what designers say is the first 3D-printed two-story house in the U.S. The machine has been pouring
A literature review was performed to identify the benefits of 3D printing. Five key benefits were identified: faster construction, cost reduction, more geometric freedom, sustainability and safety benefits. Eleven challenges were identified and grouped into four categories: material, robot system, design and construction, and regulation and
The main benefits of 3D printing in construction include constructability and sustainability benefits. The challenges are categorized into seven groups. The main challenges, found through the literature, are material related. The most cited challenges are material printability, buildability, and open time.
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challenges of 3d printing in construction
