{"id":394,"date":"2026-05-26T19:39:49","date_gmt":"2026-05-26T23:39:49","guid":{"rendered":"https:\/\/dev.www.purdue.edu\/engineering\/I2SAFE-Lab\/?page_id=394"},"modified":"2026-09-17T18:49:25","modified_gmt":"2026-09-17T22:49:25","slug":"digital-twin-for-3d-concrete-printing","status":"publish","type":"page","link":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/digital-twin-for-3d-concrete-printing\/","title":{"rendered":"Digital Twin for 3D Concrete Printing"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-bf881693 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/intelligent-systems\/\">Back to Intelligent Systems<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\" \/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Project Overview<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig-1024x576.png\" alt=\"\" class=\"wp-image-578\" style=\"width:604px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig-1024x576.png 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig-300x169.png 300w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig-768x432.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig-1536x864.png 1536w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Fig.png 1920w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-video\"><video height=\"520\" style=\"aspect-ratio: 864 \/ 520;\" width=\"864\" controls src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/06\/DT_Video.mp4\"><\/video><\/figure>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Rationale<\/strong><\/h3>\n\n\n\n<p class=\"has-text-align-left wp-block-paragraph\">This project implements three main stages of a digital twin. First stage (Digital Master) is a BIM workflow for automatic generation of a LOD 400. Second stage (Digital Shadow) is a parametric workflow for multi-robot collaboration (MRC) for automatic placing of printing supports for wall penetrations. Third stage (Digital Twin) is a parametric workflow for multi-robot intelligent inline inspection (MRi<sup>3<\/sup>) system.<\/p>\n\n\n\n<div style=\"height:15px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Impact<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Streamline the workflow for automatic generation of a BIM data repository enriched with G-Code parameters enabling customization of printing strategy.<\/li>\n\n\n\n<li style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">Reduce human intervention for placing printing supports required for wall gaps without interrupting printing process or requiring human exposure to moving parts of industrial robot printer.<\/li>\n\n\n\n<li>Improve safety and quality by eliminating subjective human interpretation of printing quality and replacing it with a robotic system capable of intelligent inline inspection that measure printed layers geometry in real time with a computer vision system.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Publication List<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline\"><strong>Journal Papers<\/strong><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Rojas, J., Trout, D., Earnest, S., and Hasanzadeh, S. (2026) \u201cOccupational Safety and Health Considerations In 3D Printing Construction\u201d. <em>Journal of Management in Engineering<\/em>, DOI: <a href=\"https:\/\/doi.org\/10.1061\/JMENEA.MEENG-7383\">10.1061\/JMENEA.MEENG-7383<\/a><\/li>\n\n\n\n<li>Rojas, J., Hasanzadeh, S. (2025) \u201cAn Integrated BIM Planning Workflow for 3D Concrete Printing Projects\u201d <em>Journal of Computing in Civil Engineering<\/em>., 39(5), DOI: <a href=\"https:\/\/doi.org\/10.1061\/JCCEE5.CPENG-6188\">10.1061\/JCCEE5.CPENG-6188<\/a><\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\"><span style=\"text-decoration: underline\"><strong>Conference Proceedings<\/strong><\/span><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Rojas, J., and Hasanzadeh, S. (2026). \u201c4D-5D Additive Construction: Integrating 4D and 5D Simulations into 3D Concrete Printing Construction\u201d. <em>Proc., Construction Research Congress 2026<\/em>, <em>Accepted.<\/em><\/li>\n\n\n\n<li>Rojas, J., and Hasanzadeh, S. (2026). \u201cQuality Inspection of Additive Construction: A Parametric Approach for Automated Scanning of 3D Printed Walls\u201d. <em>2026 Proceedings of the 43rd ISARC, Singapore<\/em>, <em>Accepted.<\/em><\/li>\n\n\n\n<li>Rojas, J., and Hasanzadeh, S., (2025). \u201cHuman Factor in 3D Concrete Printing for Construction\u201d. Proc., <em>69th Hum. Factors Ergon. Soc., International Annual<\/em>.<\/li>\n\n\n\n<li>Rojas, J., and Hasanzadeh, S., (2025). \u201cParametric Teleoperation and Machine Control for Collaborative Work in 3D Concrete Printing\u201d. <em>In Computing in Civil Engineering 2025, <\/em>American Society of Civil Engineers, New Orleans, LA.<\/li>\n\n\n\n<li>Rojas, J., Braul, A., and Hasanzadeh, S., (2025). \u201cPerceptions of 3D Printing Construction Adoption in Latin America: Opportunities, Barriers, and Strategies for Sustainable Infrastructure.\u201d <em>Proc., CIB Conferences,<\/em> Vol. 1, Article 113.<\/li>\n\n\n\n<li>Rojas, J., and Hasanzadeh, S. (2024). \u201cA Unified Workflow for Enhanced Efficiency in 3D Concrete Printing Using 6DoF Robotic Arm\u201d. <em>In Computing in Civil Engineering 2024, <\/em>American Society of Civil Engineers, Pittsburgh, PA.<\/li>\n\n\n\n<li>Rojas, J., and Hasanzadeh, S. (2024). \u201cNovel Digital Twin Architecture for 3D Concrete Printing in the AEC Industry\u201d. <em>Proc., Construction Research Congress 2024<\/em>, pp. 1337-1346.<\/li>\n<\/ol>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Researcher<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-683x1024.jpg\" alt=\"\" class=\"wp-image-161\" style=\"aspect-ratio:0.6670071501532175;width:73px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-1024x1536.jpg 1024w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-1365x2048.jpg 1365w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Rojas-Jorge-rojas27@purdue.edu_-scaled.jpg 1707w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Muzi-683x1024.jpg\" alt=\"\" class=\"wp-image-166\" style=\"aspect-ratio:0.6669712934093108;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Muzi-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Muzi-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Muzi-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Muzi.jpg 960w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"525\" height=\"735\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Dennis.png\" alt=\"\" class=\"wp-image-897\" style=\"aspect-ratio:0.642578499712221;object-fit:cover;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Dennis.png 525w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/09\/Dennis-214x300.png 214w\" sizes=\"auto, (max-width: 525px) 100vw, 525px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-683x1024.jpg\" alt=\"\" class=\"wp-image-208\" style=\"aspect-ratio:0.6670071501532175;width:74px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-683x1024.jpg 683w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-200x300.jpg 200w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan-768x1152.jpg 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2025\/11\/Nathan.jpg 1020w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Jorge Rojas<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Muzi Li<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Chao-Sheng Hung<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<p class=\"has-text-align-center wp-block-paragraph\">Nathan Weston<\/p>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Collaborators<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"margin-top:var(--wp--preset--spacing--10);margin-bottom:var(--wp--preset--spacing--10)\">Pablo&nbsp;Zavattieri, PhD, Lyles School of Civil and Construction Engineering, Purdue University<\/li>\n<\/ul>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Funding Source<\/strong><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1019\" height=\"1024\" src=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-1019x1024.png\" alt=\"\" class=\"wp-image-466\" style=\"aspect-ratio:0.995107475136349;width:79px;height:auto\" srcset=\"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-1019x1024.png 1019w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-298x300.png 298w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-150x150.png 150w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-768x772.png 768w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF-1528x1536.png 1528w, https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-content\/uploads\/2026\/05\/NSF.png 1722w\" sizes=\"auto, (max-width: 1019px) 100vw, 1019px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3a88641f wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Project Overview Rationale This project implements three main stages of a digital twin. First stage (Digital Master) is a BIM workflow for automatic generation of a LOD 400. Second stage (Digital Shadow) is a parametric workflow for multi-robot collaboration (MRC) for automatic placing of printing supports for wall penetrations. Third stage (Digital Twin) is a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-394","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/394","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/comments?post=394"}],"version-history":[{"count":11,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/394\/revisions"}],"predecessor-version":[{"id":922,"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/pages\/394\/revisions\/922"}],"wp:attachment":[{"href":"https:\/\/www.purdue.edu\/engineering\/I2SAFE-Lab\/wp-json\/wp\/v2\/media?parent=394"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}