Jean-Luc Sandoz

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Jean-Luc Sandoz, PhD
JLS WIKI.jpg
Jean-Luc Sandoz in 2019
Born1960 (age 60–61)
Montandon
NationalityFrench
Swiss
OccupationScientist, inventor, entrepreneur, wood expert
AwardsAcadémie d'architecture 2016
Academic background
Alma materENSTIB (École nationale supérieure des technologies et industries du bois)
EPFL (École Polytechnique Fédérale de Lausanne)
ThesisTriage et fiabilité des bois de construction: validité de la méthode ultrason (1990)
Doctoral advisorJulius Natterer
Academic work
DisciplineEngineering
Sub-disciplineWood construction
InstitutionsEPFL (École Polytechnique Fédérale de Lausanne)
Websitehttps://cbs-cbt.com/

Jean-Luc Sandoz (born 1960 in Montandon) is a French-Swiss engineer and an expert in wood construction. He is the founder of several companies in the field of engineering, industrialization, construction and expertise, all related to wood. Formerly, he was a professor and lecturer at EPFL (École Polytechnique Fédérale de Lausanne).[1][2]

Career[]

Born into a family of farmers in the Haut-Doubs region, he became acquainted with the material wood, starting with a vocational training certificate in carpentry, followed by a BEP (vocational training certificate) in cabinetmaking, before joining the Lycée Bois de Mouchard in 1976, where he obtained a BTS (vocational training certificate) in wood construction.[3][4]

After studies at ENSTIB (École Nationale Supérieure des Technologies et des Industries du Bois), in 1985, he began his thesis on the subject of ultrasound and the mechanical strength of wood, under the direction of Julius Natterer at EPFL. He obtained his PhD in 1990 for his thesis entitled "Triage et fiabilité des bois de construction: validité de la méthode ultrason" (Sorting and reliability of construction timber: validity of the ultrasonic method).[5]

He continued research at the IBOIS (Laboratory for Timber Construction) at EPFL mainly in two areas: non-destructive technologies to measure the mechanical quality of wood material and the optimisation of wooden structures for the application in large buildings.[6][7]

In 1993, he was appointed assistant professor at EPFL to strengthen research and teaching in the field of wood structures.[8] Together with Julius Natterer and Martial Rey, Sandoz authored the teaching aid book "Construction en Bois" (Wood Construction that has remained in print since its release in 1996 (20 new editions).[9]

During this period he organised several international symposia among them the Symposium on Nondestructive Testing of Wood and the World Conference on Timber Engineering.[10][11]

Sandoz registered several patents such as for a device for measuring the characteristics of wood using ultrasound (Sylvatest),[12] and an application for measuring wooden poles for overhead electricity and telephone lines (K-Store & Polux),[13], as well as for the construction of wood and mixed wood-concrete slabs as the Ariane truss.[14]

In 1999, Sandoz left the academic world to devote himself to his company.[15]

In 2021, his group will reach the milestone of 30 years based on innovation in timber expertise and construction.[16]

Wooden structures[]

Sandoz integrates wood in all types of structures and buildings and optimises spans and heights, as well as for thermal and acoustic performance.[17] Several of his projects won awards.[18][19][20]

Examples of Sandoz' structures:

  • For the Swiss national exhibition Expo.02 in 2002, he designed and built the offshore platforms that were placed on the lakes of Neuchâtel and Bienne to house the temporary exhibition pavilions. Made of local wood, the entire wooden structure was dismantled and reused after the expo period.
  • In 2006-2007, he inspected the residual performance of the wooden structure of the Forbidden City in Beijing[21]
  • In 2017, he collaborated on the construction of the Guiana Space Centre and helped with the characterisation and employment of local wood from the Amazonian forest.[22]
  • In 2019, he used wood to clad the Vortex building, which served as the Olympic village for the 2020 Winter Youth Olympic Games in Lausanne before taking on its present function as student accommodation

  • Wood characterisation at the Guiana Space Centre in Kourou

  • Wooden façade at the Vortex building in Lausanne

  • Ecotim II - Industrial building - Architecture Amiot Lombard

  • Herstal City Hall - Frédéric Haesevoets Architecture

  • High school in Vendée, 2013 - Frédéric Fonteneau architect

  • School in Courbevoie, 2013 - K-Architecture

  • Wood elevation in Paris-Tolbiac, 2013 - Atelier Marie Schweitzer

  • Sport Hall in Villeneuve-la-Garenne, 2011 - Tessier Poncelet Architects

  • Sport Hall Hacine-Chérifi price World Architecture News in 2015

  • Charlie Chaplin School, 2014 - SAM Architecture

  • School Saint-Exupéry in Sarcelles, 2011 - Gaëtan Le Penhuel Architectes

  • School Brétigny-sur-Orge, 2013 - TOA Architectes

  • Grand Chambéry Pool, 2020 - ALN Atelien Architecture

  • Sport hall in Donzère with record of 45m

  • Renovation for the city of Paris with Marie Schweitzer architect

  • standing apartement rue de Javel with Marie Schweitzer architect

Responsible philosophy towards the biosphere[]

"more engineering, less material"

His philosophy, committed since the beginning of his career to true sustainable development, is based on the slogan: "more engineering, less material".[23] Optimising matter, as locally as possible, with a view to economy and ecology, is rooted in the strong awareness of the finiteness of resources on the Earth system. He is cited as an example to be followed by the scientific experts of the International Union for Conservation of Nature, an NGO based in Switzerland, when he puts forward building systems made of wood, mostly local wood, mostly without glue, mostly well calculated, i.e. optimised according to the specifications of the buildings, with the aim of saving material so as not to waste it, even if it is a biosourced and renewable material. In his lectures, he repeats that "wood is certainly a renewable material, but it must not be wasted or soaked in toxic products". He adds that "the added value provided throughout the value chain of the wood industry, from upstream to downstream, makes it possible to guarantee jobs and social contributions that cannot be relocated.[24]

Selected works[]

  • Sandoz, J. L. (February 1989). "Grading of construction timeber by ultrasound". Wood Science and Technology. 23 (1): 95–108. doi:10.1007/bf00350611. ISSN 0043-7719.
  • Sandoz, J.L. (July 1993). "Moisture content and temperature effect on ultrasound timber grading". Wood Science and Technology. 27 (5). doi:10.1007/bf00192223. ISSN 0043-7719.
  • Construction en bois : matériau, technologie et dimensionnement. Julius K. Ingénieur civil, Allemagne, Suisse, - Natterer, Jean-Luc Ingénieur, - Sandoz, Martial Rey, Maurice Fiaux, Julius K. Civil engineer, Germany, Switzerland, - Natterer, Julius K. Bauingenieur, Deutschland, Schweiz, - Natterer (2e éd. rev. et augm. ; éd. broché ed.). Lausanne: Presses Polytechniques et Universitaires Romandes. 2011. ISBN 978-2-88074-949-1. OCLC 786446200.CS1 maint: others (link)

References[]

  1. ^ "Jean-Luc Sandoz". EPFL Press. Retrieved 20 May 2021.
  2. ^ "Expertise :: Concepteur-constructeur bois". cbs-cbt.com. Retrieved 20 May 2021.
  3. ^ "vie du lycée- anciens élèves – parcours – Lycée du Bois" (in French). Retrieved 20 May 2021.
  4. ^ "Jean-Luc Sandoz, théorie et pratique". Fordaq. 1 August 2020. Retrieved 20 May 2021.
  5. ^ Sandoz, Jean-Luc (2005). "Triage et fiabilité des bois de construction:validité de la méthode ultrason". doi:10.5075/EPFL-THESIS-851. Cite journal requires |journal= (help)
  6. ^ "Wood Science and Technology". Springer. Retrieved 21 May 2021.
  7. ^ Sandoz, J. L. (1 July 1993). "Moisture content and temperature effect on ultrasound timber grading". Wood Science and Technology. 27 (5): 373–380. doi:10.1007/BF00192223. ISSN 1432-5225.
  8. ^ "FLash EPFL". calameo.com. Retrieved 21 May 2021.
  9. ^ Construction en bois : matériau, technologie et dimensionnement. Julius K. Ingénieur civil, Allemagne, Suisse, - Natterer, Jean-Luc Ingénieur, - Sandoz, Martial Rey, Maurice Fiaux, Julius K. Civil engineer, Germany, Switzerland, - Natterer, Julius K. Bauingenieur, Deutschland, Schweiz, - Natterer (2e éd. rev. et augm. ; éd. broché ed.). Lausanne: Presses Polytechniques et Universitaires Romandes. 2011. ISBN 978-2-88074-949-1. OCLC 786446200.CS1 maint: others (link)
  10. ^ NDT 1996 : proceedings : 10th International Symposium on Nondestructive Testing of Wood : Lausanne-Switzerland, August 26-27-28, 1996. J. L. Sandoz, École polytechnique fédérale de Lausanne. Lausanne, Switzerland: Presses polytechniques et universitaires romandes. 1996. ISBN 2-88074-325-7. OCLC 36293347.CS1 maint: others (link)
  11. ^ Proceedings : 5th World Conference on Timber Engineering : August 17-20, 1998, Montreux, Switzerland. J. Natterer, J.-L. Sandoz (1. éd ed.). Lausanne: Presses polytechniques et universitaires romandes. 1998. ISBN 2-88074-380-X. OCLC 40599873.CS1 maint: others (link)
  12. ^ [1], "Appareil pour la determination automatique et non destructive de la classe de proprietes mecaniques standardisees d'un echantillon de materiau hygroscopique", issued 1990-11-21 
  13. ^ [2], "Appareillage pour contrôler l'état de dégradation de structure en bois, poteaux notamment", issued 1994-07-12 
  14. ^ [3], "Assembling and arrangement flat element consisting of one or several elements", issued 2005-07-13 
  15. ^ "Jean-Luc Sandoz, le pape de la construction bois moderne a soixante". www.batirama.com (in French). Retrieved 21 May 2021.
  16. ^ "Zoom on Jean-Luc Sandoz". www.enstib.univ-lorraine.fr (in French). Retrieved 11 June 2021.
  17. ^ Replay Webinaire N°2 des RDV de la Construction : CONSTRUIRE EN BOIS LOCAL, retrieved 21 May 2021
  18. ^ "Première œuvre 2014 : visite de logements en bois à Montreuil" (in French). 9 April 2015. Cite journal requires |journal= (help)
  19. ^ Welch, Adrian (17 November 2015). "Hacine Cherifi Gymnasium Lyon: Rillieux-La-Pape". e-architect. Retrieved 21 May 2021.
  20. ^ "TROPHÉES SÉQUENCES BOIS / LAURÉAT QUALITÉ SPATIALE - Interview - Séquences Bois". www.sequencesbois.fr. Retrieved 21 May 2021.
  21. ^ "Des experts français au chevet de la Cité interdite". lemoniteur.fr. Retrieved 30 May 2021.
  22. ^ "Numéro 115 – 10 ans pour transformer le CT". calameo.com. Retrieved 21 May 2021.
  23. ^ "Replay Webinaire N°2 des RDV de la Construction : CONSTRUIRE EN BOIS LOCAL" – via www.youtube.com.
  24. ^ "Le projet puritain de l'Union pour la nature". Les Echos. 29 November 2005.

External links[]

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