Dr. Ena Lloret-Fritschi

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Also a member in the Gramazio Kohler Research group.

Ena Lloret-Fritschi is a postdoc in a bridge position between the group of Gramazio Kohler Research (GKR) and group of Physical Chemistry of Building Materials (PCBM). Currently she coordinates and researches on “Mouldless Shaping of Concrete”, embedded within the Digital Fabrication, NCCR, ETH.

Ena Lloret-Fritschi obtained her PhD in June 2016 under the supervision of Fabio Gramazio, Matthias Kohler and Robert Flatt within the department of Architecture (D-Arch), with a thesis entitled “Smart Dynamic Casting: A digital fabrication method for non-standard concrete Structures”. In 2012 Smart Dynamic Casting received the Concrete Innovation Award at the Concrete Innovation Conference in Oslo and was amongst the 5 finalist for the SPARK award at the ETH Zurich.

Before joining the ETH in September 2010, Ena Lloret-Fritschi joined Master in Architecture at the Design Research laboratory (DRL) at the Architectural Association in London. The study resulted in a successful master thesis project under the name “Fluid Cast”. A project which marked the start of her interest in using digital fabrication to shape initial fluid materials without a formwork.

Prior her academic career Ena Lloret-Fritschi gained several years of professional experience in as an architect in practice at OMA, Holland, Allmann Sattler Wappner, Germany and Dietrict Untertrifaller and Querkraft in Austria. Her role included project leader for several architectural competitions and planning projects.

Eggshell

http://gramazio-kohler.arch.ethz.ch/web/e/forschung/334.html

Eggshell is a novel fabrication process for the creation of non-standard, reinforced concrete structures. The process exploits the controlled hydration of concrete as developed in Smart Dynamic Casting.

Smart Dynamic Casting Prefabrication

http://gramazio-kohler.arch.ethz.ch/web/e/forschung/325.html

Smart Dynamic Casting (SDC) is a continuous robotic slipforming process that enables to prefabricate material optimized load-bearing concrete structures. In this automated process a dynamic formwork significantly smaller than the structures produced is continuously moved and filled with concrete, in a velocity that enables to shape the concrete in the delicate phase when it changes from a soft to a hard material.

Smart Dynamic Casting

http://gramazio-kohler.arch.ethz.ch/web/e/forschung/223.html

Smart Dynamic Casting specifically aims at removing the need of individual made formwork for the construction of complex concrete structures.

Publications in peer-reviewed scientific journals

Lloret, Ena, Amir R. Shahab, Mettler Linus, Robert J. Flatt, Fabio Gramazio, Matthias Kohler, and Silke Langenberg. 2015. “Complex Concrete Structures: Merging Existing Casting Techniques with Digital Fabrication.” Material Ecology 60 (March): 40–49. doi:10.1016/j.cad.2014.02.011.

Peer-reviewed conference proceedings

Kristensen, Ena Lloret et al, Smart Dynamic Casting: A robotic slipforming. In the proceedings of the 1st Concrete Innovation Conference, Oslo, Norway, 2014
Lloret, Ena, Amir R. Shahab, Mettler Linus, Robert J. Flatt, Fabio Gramazio, Matthias Kohler, and Silke Langenberg. Complex Concrete Structure. In conference proceedings of 18th CAADRIA Conference, 2013
Shahab, Amir Reza, Lloret Kristensen, Ena, Fischer, Peter, Fabio Gramazio, Kohler, Matthias, and Flatt, Robert John. Smart Dynamic Casting or how to exploit the liquid to solid transition in cementitious materials. In the proceedings of the 1st International Conference of Rheology and Processing of Construction Materials, Paris, France, 2013

Publications in peer-reviewed scientific journals

Wangler Timothy, Ena Lloret, Lex Reiter, Norman Hack, Fabio Gramazio, Matthias Kohler, Mathias Bernhard, et al. 2016. Digital Concrete: Opportunities and Challenges. In RILEM Technical Letters 1: 9
Lloret, Ena, Amir R. Shahab, Mettler Linus, Robert J. Flatt, Fabio Gramazio, Matthias Kohler, and Silke Langenberg. 2015. “Complex Concrete Structures: Merging Existing Casting Techniques with Digital Fabrication.” Material Ecology 60 (March): 40–49. doi:10.1016/j.cad.2014.02.011.

Peer-reviewed conference proceedings

Lloret-Fritschi, Ena, Scotto, Fabio, Gramazio, Fabio, M. Kohler, K. Graser, T. Wangler, L. Reiter, R.J. Flatt and J. Mata-Falcòn. Challenges of Real-Scale Production with Smart Dynamic Casting”, In proceedings of the 1st RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete, Zurich, 2018
Anna Szabo, Lex Reiter, Ena Lloret-Fritschi, Fabio Gramazio, Matthias Kohler and Robert J. Flatt. Adapting Smart Dynamic Casting to Thin Folded Geometries. In proceedings of the 1st RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete, Zurich, 2018
Scotto, Fabio, Ena Lloret-Fritschi, Fabio Gramazio, Matthias Kohler, and Robert J. Flatt. 2018. “Smart Dynamic Casting: Design tools and digital fabrication for realization of system specific geometries.” In the proceedings of the 23rd International Conference on Computer- Aided Architectural Design Research in Asia (CAADRIA), Beijing, China, 2018
Lloret Fritschi, Ena, Lex Reiter, Timothy Wangler, Fabio Gramazio, Matthias Kohler, and Robert J. Flatt. Smart Dynamic Casting - Slipforming with Flexible Formwork - Inline Measurement and Control. In the proceedings of 2nd Concrete Innovation Conference (CIC), Norway, 2016
Kristensen, Ena Lloret et al, Smart Dynamic Casting: A robotic slipforming. In the proceedings of the 1st Concrete Innovation Conference, Oslo, Norway, 2014
Lloret, Ena, Amir R. Shahab, Mettler Linus, Robert J. Flatt, Fabio Gramazio, Matthias Kohler, and Silke Langenberg. Complex Concrete Structure. In conference proceedings of 18th CAADRIA Conference, 2013
Shahab, Amir Reza, Lloret Kristensen, Ena, Fischer, Peter, Fabio Gramazio, Kohler, Matthias, and Flatt, Robert John. Smart Dynamic Casting or how to exploit the liquid to solid transition in cementitious materials. In the proceedings of the 1st International Conference of Rheology and Processing of Construction Materials, Paris, France, 2013

Peer-reviewed books/monographs

Lloret-Fritschi, Ena. 2016. Smart Dynamic Casting A Digital Fabrication Method for Non-Standard Concrete Structures. Doctoral thesis, Switzerland: ETH Zürich.

Oral contributions to conferences (talks or posters)

Lloret-Fritschi, Ena, F. Scotto, F. Gramazio, M. Kohler, K. Graser, T. Wangler, L. Reiter, R.J. Flatt and J. Mata-Falcòn. “Architectural application of Smart Dynamic Casting”, presented at the RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete, Zurich, 2018
Lloret-Fritschi, Ena, “Reinforcement Strategies for Smart Dynamic Casting”, presented at the RILEM International Conference on Concrete and Digital Fabrication – Digital Concrete, Zurich, 2018
Lloret-Fritschi Ena, “Smart Dynamic Casting, at the Lehrstuhl für Baukonstruktion und Baustoffkunde, Technical University, Munich, November 2017. https://www.ar.tum.de/en/news/singleview-en/article/smart-dynamic-casting/
Lloret Fritschi, Ena, “Smart Dynamic Casting” Invited talk for the International Workshop Digital Fabrication with Concrete, ETH Zurich, 2018. https://www.video.ethz.ch/events/2017/rilem/f4ea094b-66da-4734-bb6f-7700e725082a.html
Lloret-Fritschi Ena, “Smart Dynamic Casting.” Invited presentation, Winerberger Innovation Day, Vienna, Austria, January, 2018
Lloret-Fritschi, Ena, ”Digitales Gleitbauverfahren für nicht-standardisierte Betonelemente” Invited presentation, Hochschule Luzern, (CH), Mai, 2017. http://www.materialarchiv.ch/cms/de/ereignisse/446-material-zmittag-smart-dynamic-casting.html
Lloret Fritschi, Ena, “Smart Dynamic Casting - Slipforming with Flexible Formwork - Inline Measurement and Control”. Presented at the 2nd Concrete Innovation Conference (CIC), Norway, 2017
Lloret-Fritschi, “Ena Smart Dynamic Casting” invited presentation at the ESPCI, Paris, (F), October 2016. https://www.simm.espci.fr/spip.php?article1114&lang=fr
Lloret-Fritschi, “KONZEPT Beton Frei geformt.” Invited presentation at the Baumuster Centrale Zurich, Juni 2016.
Lloret, Ena, Amir R. Shahab, Mettler Linus, Robert J. Flatt, Fabio Gramazio, Matthias Kohler, and Silke Langenberg, “Smart Dynamic Casting: A robotic slipforming.” Presented at the 1st Concrete Innovation Conference, Oslo, Norway, 2014
Lloret, Ena. “Smart Dynamic Casting” Invited presentation at the 20th Internationale IFF-Fachtagung, Weimar, Germany, 2013.
Lloret, Ena. “Fluid Material in Transition.” Keynote presentation at the Faculty of Architecture Estonian Academy of Arts, Tallinn, Estonia, 2012.
Lloret, Ena “Digital Fabrication in Architecture”, Keynote presentation at Lund Architecture Symposium 2012, Lund School of Architecture, Lund, Sweden, 2012.
Lloret, Ena, Jaime De Miguel Rodrigues. “Fluid Cast.” Invited presentation at Technical University Eindhoven, Department of Mechanical Engineering, Eindhoven, Netherlands, 2010.

Patents and licenses

"Apparatus and method for vertical slipforming of concrete walls". International Patent PCT/EP2014/000281
"Method of vertical forming of a concrete wall structure and apparatus therefor" (ETH-Invention-No. 2017-018) has been filed with priority date December 21, 2017 as European Patent Application. The Application has been given the Application number EP17209534.1

public engagement in science, technology, and knowledge transfer activities

Industry outreach

Lloret-Fritschi, Ena, Talk for a one-day Industrial outreach for Lazzarini, ETH Zurich, 2017
Zühlke AG, Collaborative development of dynamic formwork for SDC with Zühlke AG, for Smart Dynamic Casting. See: https://www.zuehlke.com/ch/en/success-stories/869-nest-dfab-house/
InnoSwiss Project with Sacac AG, for Smart Dynamic Casting, June 2018- June 2020
Lloret-Fritschi, Ena, Presentation of SDC for Frutiger, AG, ETH Zurich, 2016
Lloret-Fritschi, Ena, Presentation of SDC for Sulser, AG, in Trübbach, CH, 2016
Lloret-Fritschi, Ena, Presentation of SDC for Sacac, AG, in Lenzburg, CH, 2016

Exhibitions

Exhibition of prototypes from the research project “Smart Dynamic Casting” at the Centre Pompidou, http://www.dfab.ch/events/mutations-creations-imprimer-le-monde-nccr-digital-fabrication-research-on-exhibit-at-the-centre-pompidou-in-paris/
Exhibition of Mullions produced with “Smart Dynamic Casting” at La Stamparia, Glarus, CH. https://stamparia.ch/ausstellungen/sonderausstellung-2018/
Exhibition of Master thesis project “Fluid Cast” by Ena Lloret, Maria Eugenia Villafañe, Jaime De Miguel, Catalina Pollak. In the exhibition (FAB)bots, in the Museu del Disseny, Barcelona, 2011.
Articles in periodicals and books
“Dynamic Formwork: Concrete Play-Doh overcomes squared thinking” in: The Art and Science of The Possible, Issue 02, WSP house, London (UK)
SDC described by Willmann, J. Gramazio, F. Kohler M., “Schalungen digital formen” in TEC21, Betonexperimente, Vol: 139, Issue 35, 2013

Articles in periodicals and books

“Dynamic Formwork: Concrete Play-Doh overcomes squared thinking” in: The Art and Science of The Possible, Issue 02, WSP house, London (UK)
SDC described by Willmann, J. Gramazio, F. Kohler M., “Schalungen digital formen” in TEC21, Betonexperimente, Vol: 139, Issue 35, 2013

Online

SPARK AWARD 2014, Smart dynamic Casting of free-form concrete structures.
https://www.youtube.com/watch?v=BI2LOj4oxcw
Article regarding Smart Dynamic Casting in the DFAB house on:
https://www.archithese.ch/de/ansicht/auf-in-die-zukunft-mit-dem-roboterhaus?page_g41250=4 accessed on the 23.10.18.
“Beton ohne Shalung” ETH Life, online available on: http://www.ethlife.ethz.ch/archive_articles/130325_betonmischung_per/