Developing a fabrication workflow for irregular sawlogs

Aagaard, Anders Kruse; Larsen, Niels Martin

doi:10.1177/1478077120906736

Cited by 7 publications

(4 citation statements)

References 10 publications

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“…Az építőipar technológiai kérdései különösen hangsúlyosak. A nagy fesztávú fafödémek felé támasztott elvárások (Nesheim, et al, 2021), a rétegelt lemezek jellemzői (Parsons, et al, 2021), a faanyag tárolási körülményeinek hatása a felhasználhatóságra (Vieira, et al, 2021), a szabálytalan alakú fűrészáru feldolgozhatósága (Aagaard & Larsen, 2020), a hőszigetelő, faalapú panelek jellemzői (Grohmann, et al, 2020), az axiálisan terhelt önmetsző csavarok felhasználhatósága (Brandner, et al, 2019), az alapanyag védelme a betegségek ellen (Gazis, et al, 2018) (Czaplicki, et al, 2016), a magas teherbírású fa-üveg kompozitok termelése (Buyuktaskin, et al, 2017), a fapadlók technológiai problémái (Kujawińska, et al, 2017), a faszerkezeti módosítások (Németh, et al, 2016), a faanyag biomasszaként történő hasznosítása (Goryunov, et al, 2016) mind-mind fontos technológiai kérdések, de nyilván gazdaságossági és fenntarthatósági vonatkozásaik is vannak.…”

Section: A Publikációk Tartalmi öSszefoglalójaunclassified

Az alkalmazott művészet létmódjai és a kreatív ipar kihívásai napjainkban : Faipari Mérnöki és Kreatívipari Kar tudományos kiadványa

2023

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In the paper the author tries to present one of the applied art methods of the 20th century, namely the technic and meaning of the performance in some Hungarian artists' works. The aim of the author is to englobe art experiences in the global social context. The condition postmodern denies the "grand recit" and however accept and promulgate a totally new way of life full of crisis. One of the sign of the new era in art is the performance, the art of instant present of the individual. The paper present two great Hungarian performers. Katalin Ladik, Hungarian of Novy Sad, said: "I am object when I am on the stage" presenting erotic poems often reading out them. The other artist is El Kazovskij, Hungarian but born in Russia. His art and performances are the examples of the alienation of the individuals. Both of them are very important artists. 2. ábra: Noto (Szicília), Szent Miklós székesegyház különös fakeresztje. Forrás: saját fotó 3. ábra: Fekete Jézus, Mexikóváros. Forrás: saját fotó Összességében megállapítom, hogy valamennyi, itt bemutatott autonóm műalkotásban ott rejlik valamilyen eredeti, csak a szerző által felfedezett új és mély gondolat, merész megközelítés. Az ábrázolás nem hétköznapi, nem szokványos, amely így arra készteti a szemlélőt, hogy megálljon egy pillanatra, időzzék el egy keveset az alkotás előtt, és mozgósítsa szellemi-lelki energiáit. Bibliográfia

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Section: A Publikációk Tartalmi öSszefoglalójaunclassified

Az alkalmazott művészet létmódjai és a kreatív ipar kihívásai napjainkban : Faipari Mérnöki és Kreatívipari Kar tudományos kiadványa

2023

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“…Bespoke digital fabrication tools refer to dedicated tools as products developed in research that enable digital fabrication adoption. Aagard et al (2020) [67] presents the artefact of bespoke technology with a band saw on a six-axis robot arm to produce curved pieces of a crooked log informed by each log's particularities. Only one article includes the artefact AR13 -Digital twin for facility maintenance (FM).…”

Section: Artefactsmentioning

confidence: 99%

“…Summary of resources as the enablers from selected articles. ,15,37,38,40,41,47,46,45,43,53,52,50,49,54,62,61,60,59,58,57,56,64,69,68,67,66,65,70,71,73,74,78,80,[82][83][84][85][86][87] …”

mentioning

confidence: 99%

Identifying enablers and relational ontology networks in design for digital fabrication

Hall²,

Schmailzl³

et al. 2022

Automation in Construction

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“…The overall concept and the initial stages of parts of the method have been discussed in previous publications [6,7]. In this article, the theoretical and historical context for the proposed workflows is further explained, and the method is laid out as a whole.…”

Section: Introductionmentioning

confidence: 99%

Timber structures made of naturally curved oak wood: prototypes and processes

Larsen

Aagaard

Hudert

et al. 2022

Archit. Struct. Constr.

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Highly optimised processing workflows characterise today's wood industry. The gained efficiency is mainly directed towards making standardised linear materials that fulfil the market's expectation of a continuous flow of identical products with certain constant specifications. The research presented here seeks to question these limitations and provide another approach to the use of wood in construction. The study involves complex geometry handling, architectural design, and material and structural considerations. Trees absorb CO 2 during growth, and as a construction material, wood can function as CO 2 storage, thereby reducing the levels in the atmosphere during the lifetime of the building-and even longer if the building components can be reused. We have seen a significant rise in wood construction over the past few years. This is partly due to growing climate awareness and the increased availability of engineered wood products (EWP). EWPs are reliant on uniform tree production. With growing interest in using wood for construction, an increase in plantation forests is predicted, leading to a lack of biodiversity in the affected areas. The consideration for the general climate expressed through the increased use of wood as a building material may thus appear to be in contrast to the efforts to improve biodiversity. This research seeks to provide an alternative route where non-uniform wood, usually used as firewood, can be used as a construction material. The project demonstrates possibilities that emerge from engaging with the wood as a specific occurrence of a biological entity rather than a standardised material. While historical precedents inspire the research, the project has been developed using digital tools, such as laser scanning, algorithmic design and robotic fabrication. We have developed a unique design-to-production workflow that uses curved natural wood in its original form to enable curved architectural designs. The workflow thereby links the inherent properties of the wood to a distinct mode of expression. The wood is retrieved from a sawmill that collects discarded tree trunks from local forests. The sawlogs are registered with a 3D scanner, and a customised parametric method is used to handle the geometric information and establish a database of the irregular saw logs. A custom-made algorithmic design tool identifies where the sawlogs fit best in a predefined construction design based on the database. Machining data is directly extracted for the subsequent robotic processing. The irregular shape of the material suggests a discrete analysis of the structural properties of each component. A series of destructive physical tests are carried out to indicate the capacity of the structural system and the joint solution. To demonstrate the viability of the workflow, study challenges in controlling tolerances and humidity, and develop an assembly strategy, we have produced a construction prototype of 15 members in the size of 3 m in width and 4 m in height.

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Developing a fabrication workflow for irregular sawlogs

Cited by 7 publications

References 10 publications

Az alkalmazott művészet létmódjai és a kreatív ipar kihívásai napjainkban : Faipari Mérnöki és Kreatívipari Kar tudományos kiadványa

Az alkalmazott művészet létmódjai és a kreatív ipar kihívásai napjainkban : Faipari Mérnöki és Kreatívipari Kar tudományos kiadványa

Identifying enablers and relational ontology networks in design for digital fabrication

Timber structures made of naturally curved oak wood: prototypes and processes

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