{"id":224928,"date":"2025-11-12T01:18:41","date_gmt":"2025-11-12T07:18:41","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/11\/spray-3d-concrete-printing-simulator-boosts-strength-and-design"},"modified":"2025-11-12T01:18:41","modified_gmt":"2025-11-12T07:18:41","slug":"spray-3d-concrete-printing-simulator-boosts-strength-and-design","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/11\/spray-3d-concrete-printing-simulator-boosts-strength-and-design","title":{"rendered":"Spray 3D concrete printing simulator boosts strength and design"},"content":{"rendered":"<p><\/p>\n<p><iframe style=\"display: block; margin: 0 auto; width: 100%; aspect-ratio: 4\/3; object-fit: contain;\" src=\"https:\/\/www.youtube.com\/embed\/-WSB5Sgg65Y?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope;\n   picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p>Concrete 3D printing reduces both time and cost by eliminating traditional formwork, the temporary mold for casting. Yet most of today\u2019s systems rely on extrusion-based methods, which deposit material very close to a nozzle layer by layer. This makes it impossible to print around reinforcement bars (rebars) without risk of collision, limiting both design flexibility and structural integrity of builds.<\/p>\n<p>Kenji Shimada and researchers in his Carnegie Mellon University\u2019s Computational Engineering and Robotics Laboratory (CERLAB), are breaking through that limitation with a new simulation tool for spray-based concrete 3D <a href=\"https:\/\/techxplore.com\/tags\/printing\/\" rel=\"tag\" class=\"\">printing<\/a>.<\/p>\n<p>\u201cSpray-based concrete 3D printing is a new process with complicated physical phenomena,\u201d said Shimada, a professor of mechanical engineering. \u201cIn this method, a modified shotcrete mixture is sprayed from a nozzle to build up on a surface, even around rebar.\u201d<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Concrete 3D printing reduces both time and cost by eliminating traditional formwork, the temporary mold for casting. Yet most of today\u2019s systems rely on extrusion-based methods, which deposit material very close to a nozzle layer by layer. This makes it impossible to print around reinforcement bars (rebars) without risk of collision, limiting both design flexibility [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1489,6],"tags":[],"class_list":["post-224928","post","type-post","status-publish","format-standard","hentry","category-3d-printing","category-robotics-ai"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224928","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=224928"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/224928\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=224928"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=224928"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=224928"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}