{ "types" : { "Bookmark" : { "pluralLabel" : "Bookmarks" }, "Publication" : { "pluralLabel" : "Publications" }, "GoldStandardPublication" : { "pluralLabel" : "GoldStandardPublications" }, "GoldStandardBookmark" : { "pluralLabel" : "GoldStandardBookmarks" }, "Tag" : { "pluralLabel" : "Tags" }, "User" : { "pluralLabel" : "Users" }, "Group" : { "pluralLabel" : "Groups" }, "Sphere" : { "pluralLabel" : "Spheres" } }, "properties" : { "count" : { "valueType" : "number" }, "date" : { "valueType" : "date" }, "changeDate" : { "valueType" : "date" }, "url" : { "valueType" : "url" }, "id" : { "valueType" : "url" }, "tags" : { "valueType" : "item" }, "user" : { "valueType" : "item" } }, "items" : [ { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a3314a2930f8c4c5750746112105f0c1/petraheim", "tags" : [ "2025","aicher","assessment","balangé","bechert","circular","construction","engineering","fabrication","gorokhova","göbel","itke","knippers","lightweight","menges","modular","relocation","robotic","schwieger","segmented","shell","structural","structure","timber" ], "intraHash" : "a3314a2930f8c4c5750746112105f0c1", "interHash" : "3bcb77135d3940acf326ac917532f269", "label" : "Segmented Timber Shells for Circular Construction: Relocation, Structural Assessment, and Robotic Fabrication of a Modular, Lightweight Timber Structure", "user" : "petraheim", "description" : "", "date" : "2025-06-11 11:46:41", "changeDate" : "2025-06-11 11:46:41", "count" : 7, "pub-type": "article", "journal": "Buildings", "year": "2025", "url": "https://www.mdpi.com/2075-5309/15/11/1857", "author": [ "Simon Bechert","Simon Aicher","Lyudmila Gorokhova","Laura Balangé","Monika Göbel","Volker Schwieger","Achim Menges","Jan Knippers" ], "authors": [ {"first" : "Simon", "last" : "Bechert"}, {"first" : "Simon", "last" : "Aicher"}, {"first" : "Lyudmila", "last" : "Gorokhova"}, {"first" : "Laura", "last" : "Balangé"}, {"first" : "Monika", "last" : "Göbel"}, {"first" : "Volker", "last" : "Schwieger"}, {"first" : "Achim", "last" : "Menges"}, {"first" : "Jan", "last" : "Knippers"} ], "volume": "15","number": "11","abstract": "Segmented timber shells present a novel building system that utilizes modular, planar building components to create lightweight free-form structures in architecture. Recent advancements in the research field of segmented timber shells pursue, among others, two fundamentally opposing research objectives. 1. The modularity of their building components facilitates the reuse of such structures in response to a changing built environment. 2. Advanced developments aim at establishing segmented timber shells as permanent building structures for sustainable architecture. This paper addresses the first research objective through the successful relocation of the BUGA Wood Pavilion in the context of the proposed methodology of Co-Design for circular construction. The methods and results involve integrative design and engineering processes and advanced quality assessment methods, including structural, geodetic, and physical properties for modular timber constructions. The BUGA Wood Pavilion serves as a building demonstrator for the presented research on segmented shells as lightweight, reusable, and durable timber structures.", "issn" : "2075-5309", "article-number" : "1857", "doi" : "10.3390/buildings15111857", "bibtexKey": "buildings15111857" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a3314a2930f8c4c5750746112105f0c1/itke", "tags" : [ "modular","relocation","göbel","gorokhova","segmented","knippers","engineering","shell","circular","structure","itke","fabrication","menges","aicher","robotic","lightweight","assessment","balangé","structural","2025","construction","schwieger","timber","bechert" ], "intraHash" : "a3314a2930f8c4c5750746112105f0c1", "interHash" : "3bcb77135d3940acf326ac917532f269", "label" : "Segmented Timber Shells for Circular Construction: Relocation, Structural Assessment, and Robotic Fabrication of a Modular, Lightweight Timber Structure", "user" : "itke", "description" : "", "date" : "2025-06-11 11:46:41", "changeDate" : "2025-06-11 11:46:41", "count" : 7, "pub-type": "article", "journal": "Buildings", "year": "2025", "url": "https://www.mdpi.com/2075-5309/15/11/1857", "author": [ "Simon Bechert","Simon Aicher","Lyudmila Gorokhova","Laura Balangé","Monika Göbel","Volker Schwieger","Achim Menges","Jan Knippers" ], "authors": [ {"first" : "Simon", "last" : "Bechert"}, {"first" : "Simon", "last" : "Aicher"}, {"first" : "Lyudmila", "last" : "Gorokhova"}, {"first" : "Laura", "last" : "Balangé"}, {"first" : "Monika", "last" : "Göbel"}, {"first" : "Volker", "last" : "Schwieger"}, {"first" : "Achim", "last" : "Menges"}, {"first" : "Jan", "last" : "Knippers"} ], "volume": "15","number": "11","abstract": "Segmented timber shells present a novel building system that utilizes modular, planar building components to create lightweight free-form structures in architecture. Recent advancements in the research field of segmented timber shells pursue, among others, two fundamentally opposing research objectives. 1. The modularity of their building components facilitates the reuse of such structures in response to a changing built environment. 2. Advanced developments aim at establishing segmented timber shells as permanent building structures for sustainable architecture. This paper addresses the first research objective through the successful relocation of the BUGA Wood Pavilion in the context of the proposed methodology of Co-Design for circular construction. The methods and results involve integrative design and engineering processes and advanced quality assessment methods, including structural, geodetic, and physical properties for modular timber constructions. The BUGA Wood Pavilion serves as a building demonstrator for the presented research on segmented shells as lightweight, reusable, and durable timber structures.", "issn" : "2075-5309", "article-number" : "1857", "doi" : "10.3390/buildings15111857", "bibtexKey": "buildings15111857" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/226f1ec9390a0245dacb4b4e464bbec11/petraheim", "tags" : [ "2017","acttively","analysis","bent","diss","dissertation","engineering","form-finding","forschungsbericht","grid","itke","li","plate","segmental","shell","structural","structure","timber" ], "intraHash" : "26f1ec9390a0245dacb4b4e464bbec11", "interHash" : "b63b7f1729a68f2d49cf78422af4e9de", "label" : "Timber Shell Structures: Form-finding and Structural Analysis of Actively Bent Grid Shells and Segmental Plate Shells", "user" : "petraheim", "description" : "", "date" : "2020-06-23 16:38:28", "changeDate" : "2021-07-01 13:04:36", "count" : 2, "pub-type": "phdthesis", "series": "Forschungsberichte aus dem Institut für Tragkonstruktionen und Konstruktives Entwerfen","publisher":"Stuttgart: Institut für Tragkonstruktionen und Konstruktives Entwerfen","address":"ITKE, Stuttgart, Germany", "year": "2017", "url": "", "author": [ "Li. Jian-Min" ], "authors": [ {"first" : "Li.", "last" : "Jian-Min"} ], "editor": [ "Jan Knippers" ], "editors": [ {"first" : "Jan", "last" : "Knippers"} ], "volume": "42","abstract": "Shell structures are structurally efficient but difficult to manufacture and thus expansive. Actively bent grid shells and segmental plate shells could be alternatives. The first kind utilizes bended members to form a continuously curved geometry and thus reduce the complexity of the joints. The second kind utilizes the stability inherited in trivalent geometries to be able to build a shell without using bending stiff joints. Both these two types of timber shell structures could largely reduce the construction cost. That is why they are chosen as the research topics. The dynamic relaxation method (DR) is applied in this research as an important numerical method. It is used as the fundamental base for developing the form-finding tools of both actively bent grid shells\r\nand the segmental grid shells. A solver capable of the structural analysis of beam system is also developed here based on DR. Through the text, we show that DR could handle not only form-finding problems but also geometrically nonlinear analysis.\r\nThe dissertation consists of four parts. Part I is the introduction. Part II and Part III present both the form-finding and analysis techniques of these two types of timber shell structures. 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Jian-Min" ], "authors": [ {"first" : "Li.", "last" : "Jian-Min"} ], "editor": [ "Jan Knippers" ], "editors": [ {"first" : "Jan", "last" : "Knippers"} ], "volume": "42","abstract": "Shell structures are structurally efficient but difficult to manufacture and thus expansive. Actively bent grid shells and segmental plate shells could be alternatives. The first kind utilizes bended members to form a continuously curved geometry and thus reduce the complexity of the joints. The second kind utilizes the stability inherited in trivalent geometries to be able to build a shell without using bending stiff joints. Both these two types of timber shell structures could largely reduce the construction cost. That is why they are chosen as the research topics. The dynamic relaxation method (DR) is applied in this research as an important numerical method. It is used as the fundamental base for developing the form-finding tools of both actively bent grid shells\r\nand the segmental grid shells. A solver capable of the structural analysis of beam system is also developed here based on DR. Through the text, we show that DR could handle not only form-finding problems but also geometrically nonlinear analysis.\r\nThe dissertation consists of four parts. Part I is the introduction. Part II and Part III present both the form-finding and analysis techniques of these two types of timber shell structures. The last part is the conclusions.", "isbn" : "978-3-922302-42-1", "language" : "eng", "bibtexKey": "jianmin2017timber" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2af6a011c45d52bf62bd060276dbec7c1/petraheim", "tags" : [ "2018","architecture","bechert","construction","groenewolt","itke","knippers","krieg","menges","performance","segmented","shell","structural","structure","system","timber" ], "intraHash" : "af6a011c45d52bf62bd060276dbec7c1", "interHash" : "b44e4fde9651578fa5f3e8f5d667e097", "label" : "Structural Performance of Construction Systems for Segmented Timber Shell Structures", "user" : "petraheim", "description" : "", "date" : "2020-05-20 13:54:34", "changeDate" : "2020-06-02 10:07:21", "count" : 2, "pub-type": "inproceedings", "booktitle": "Proceedings of the IASS Annual Symposium 2018 Creativity in Structural Design","address":"Boston, USA", "year": "2018", "url": "", "author": [ "Simon Bechert","Abel Groenewolt","Oliver D. 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