Prof. Dr. Martin Lehmann

Professor für Ingenieurholzbau

Stv. Leiter Kompetenzbereich Holzmodifikation und Klebstofftechnologie

Ingenieurholzbau

Tragende Verklebungen

Modellierung von Holztragwerken

Klebstoffprüfungen

mechanische Prüfung von Holz und Holzbauteile

Normierung

Brettsperrholz

Bachelor of Science Holztechnik

Master of Science in Wood Technology

Ingenieurholzbau 2 (BBH07T4)

Ingenieurholzbau 3 (BBH07T7)

Computerstatik (BBH07T3)

Computerstatik 2 (BBH11F3)

Stabilität und Stabilisierung (BBH11F2)

Projektarbeit TST 5. Semester (BBH0802)

Interdisziplinäre Projektarbeit TST 8. Sem (BBH0803)

Projektwoche 8. Semester (BBH0803)

Bachelorthesis (BBH1201)

PC Timber Engineering (MBW1021)

RFEM/RSTAB Basics (MBW3036)

RFEM/RSTAB Advanced (MBW3037)

Finite Element Method (MBW1132)

Mathcad (MBW3038)

Assessment and Retrofitting (MBW2221)

Data Management for Timber Engineers (MBW2121)

Tragende Verklebungen

Produktentwicklung für den Holzbau

Laubholzverklebung

Klebstoffprüfung

Laubholz für den tragenden Einsatz

Mechanische Prüfungen von Holz und Holzwerkstoffen

Analyse des Versagensmechanismus von Klebefugen bei Brettschichtholz als Grundlage für eine automatisierte in/on-line Qualitätsüberwachung des Produktionsprozesses

Strukturhobeln von Laubholzoberflächen - Ermöglichung einer effizienten Verklebung von Laubholz für den strukturellen Einsatz durch Mikrostrukturierung

Entwicklung von hochfestem Buchenstabschichtholz

Brettschichtholz aus Laubholz, Teil 1. Modul3: Lamellenproduktion und Flächenverklebung

Entwicklung eines zweiachsig tragenden Flachdeckensystems in Holzbauweise für hohe Beanspruchungen in Wohnungs- und Industriegebäuden

Entwicklung von 1 KPUR Klebstoffen für dynamisch hochbeanspruchbare Holzbaulemente

Entwicklung einer integralen Prozesskette um gezielt Brettsortimente einzuschneiden, zu sortieren und zu qualitativ hochwertigen Produkten zu verarbeiten

Entwicklung einer leistungsfähigen Bauplatte aus Buchenholz

Entwicklung einer multifunktionellen leichten Verbundplatte aus Lehm und Holzwolle, die komplett aus natürlichen Materialien besteht und einfach rezyklierbar ist

Entwicklung von Tanningebundenen Akustikplatten

OnSite: An innovative approach for the on-site rehabilitation of timber structures

Ehrhart, Thomas; Steiger, René; Lehmann, Martin; Frangi, Andrea (2020). European beech (Fagus sylvatica L.) glued laminated timber: lamination strength grading, production and mechanical properties European Journal of Wood and Wood Products, 78(5), pp. 971-984. 10.1007/s00107-020-01545-6 <http://dx.doi.org/10.1007/s00107-020-01545-6>

Clerc, Gaspard; Lehmann, Martin; Gabriel, Joseph; Salzgeber, Dario; Pichelin, Frédéric; Strahm, Thomas; Niemz, Peter (2018). Improvement of ash (Fraxinus excelsior L.) bonding quality with one-component polyurethane adhesive and hydrophilic primer for load-bearing application. International Journal of Adhesion and Adhesives, 85, pp. 303-307. Elsevier 10.1016/J.IJADHADH.2018.06.017 <http://dx.doi.org/10.1016/J.IJADHADH.2018.06.017>

Ammann, Samuel; Schlegel, Sven; Beyer, Mario; Aehlig, Karsten; Lehmann, Martin; Jung, Heiko; Niemz, Peter (2016). Quality assessment of glued ash wood for construction engineering. European Journal of Wood and Wood Products, 74(1), pp. 67-74. Springer 10.1007/s00107-015-0981-2 <http://dx.doi.org/10.1007/s00107-015-0981-2>

Mgbemene, Chigbo; Rosenkranz, Andreas; Pichelin, Frédéric; Lehmann, Martin; Job, Charles; Kimeng, Henry; Mustapha, Sani; Nduka, Okey (2014). Feasibility Study on the Production of Particleboard from Maize Cobs, Rice Husks, and Groundnut Shells Using Acacia Mimosa Tannin Extract as the Bonding Adhesive. Journal of Architectural Engineering, 20(1), 04013006-1. 10.1061/(ASCE)AE.1943-5568.0000135 <http://dx.doi.org/10.1061/(ASCE)AE.1943-5568.0000135>

Brunner, Maurice Yaw; Lehmann, Martin; Kraft, Sebastian; Fankhauser, Urs; Richter, Klaus; Conzett, Jürg (2010). A flexible adhesive layer to strengthen glulam beams Journal of Adhesion Science and Technology, 24(8-10), pp. 1665-1701. Taylor & Francis 10.1163/016942410X507759 <http://dx.doi.org/10.1163/016942410X507759>

Negrão, Jao; Brunner, Maurice Yaw; Lehmann, Martin (2008) Pre-stressing of timber; In: Core document of the COST Action E34 “Bonding of Timber”, M. Dunky, B. Källander, M. Properzi, K. Richter and M. Van Leemput (Eds.); Universität für Bodenkultur Wien (Austria)

Brunner, Maurice Yaw; Lehmann, Martin; Kraft, Sebastian; Fankhauser, Urs; Richter, Klaus; Conzett, Jürg (2010) A flexible adhesive layer to strengthen glulam beams; In: Wood Adhesives, A. Pizzi and K.L. Mittal (Eds.); Brill, Leiden (Netherlands)

Sigrist, Christophe; Lehmann, Martin (9 August 2021). Development of a new generation EN 408 testing standard In: WCTE Santiago de Chile (aufgrund Corona erst im 2021 anstatt 2020). Santiago de Chile. 9.-12. August 2021.

Lehmann, Martin; Canoine, Benoît; Granado Sanzovo, Patricia; Bamokina Moanda, Destin; Müller, Eric; Pichelin, Frédéric (9 August 2021). Development of a new generation EN 408 testing standard In: WCTE Santiago de Chile (aufgrund Corona erst im 2021 anstatt 2020). Santiago de Chile. 9.-12. August 2021.

Lehmann, Martin (October 2019). Keilzinkung und Flächenverklebung von Buchenlamellen In: S-Win 51. Fortbildungkurs - Hochleistungswerkstoffe im Holzbau. S-Win

Ehrhart, Thomas; Lehmann, Martin; Frangi, Andrea (2019). European beech ( Fagus sylvatica L .) glued laminated timber : Lamination strength grading , production and mechanical properties In: International Scientific Conference on Hardwood Processing, ISCHP 19 (pp. 252-267). TU Delft

Lehmann, Martin; Clerc, Gaspard; Lehringer, C.; Strahm, T.; Volkmer, Thomas (2018). Investigation of the bond quality and the finger joint strength of beech glulam In: World Conference on Timber Engineering (WCTE 2018). Seoul, Republic of Korea. 20.-23.08.2018.

Clerc, Gaspard; Lehmann, Martin; Gabriel, Joseph; Salzgeber, Dario; Pichelin, Frédéric; Niemz, Peter (2018). Improvement of ash (Fraxinus Excelsior L.) bonding quality with one component polyuerethane adhesive and a primer for glued laminated timber In: World Conference on Timber Engineering (WCTE 2018). Seoul, Republic of Korea. 20.-23.08.2018.

Themessl, Adam Maximilian; Lehmann, Martin; Salzgeber, D.; Franke, Steffen (2018). Butt joint gluing of cross laminated timber In: World Conference on Timber Engineering (WCTE 2018). Seoul, Republic of Korea. 20-23.08.2018.

Volkmer, Thomas; Lehmann, Martin; Clerc, Gaspard (2017). Brettschichtholz aus Buche: Keilzinkenverbindung und Flächenverklebung In: 23. Internationales Holzbau-Forum. Garmisch-Partenkirchen, Deutschland. 06.-08.12.2017.

Lehmann, Martin; Schlegel, S.; Ammann, S.; Beyer, M.; Aeh, K.; Jung, H.; Niemz, Peter (2016). Investigation of the bond quality of semi industrially produced ash glulam In: World Conference on Timber Engineering (WCTE 2016). Vienna, Austria. 22.-25.08.2016.

Sigrist, Christophe; Lehmann, Martin (2016). Mechanical properties of glulam produced from visually graded boards. In: World Conference on Timber Engineering (WCTE 2016). Vienna, Austria. 22.-25.08.2016.

Lehmann, Martin; Froidevaux, J.; Pichelin, Frédéric (2014). Structural light weight construction panel based on beech wood In: World Conference on Timber Engineering 2014. Quebec City, Canada. 10.-14.08.2014.

Lehmann, Martin; Volkmer, Thomas (2014). Influence of micro structured surface on the bond quality of hardwood In: World Conference on Timber Engineering 2014. Quebec City, Canada. 10.-14.08.2014.

Lehmann, Martin; Volkmer, Thomas (2014). Investigation of the bond quality of hardwoods with micro structured surfaces In: 68th FPS International Convention. Quebec City, Canada. 10.-13.08.2014.

Sigrist, Christophe; Lehmann, Martin (2014). Potential of CLT produced from non-structural grade Australian Pinus Radiata In: World Conference on Timber Engineering 2014. Quebec City, Canada. 10.-14.08.2014.

Ganne-Chédeville, Christelle; Volkmer, Thomas; Letsch, Bernhard; Lehmann, Martin (2012). Measures for the maintenance of untreated wood facades In: World Conference on Timber Engineering (WCTE 2012). Auckland, New Zealand. 15-19.07.2012.

Rosenkranz, Andreas; Pichelin, Frédéric; Lehmann, Martin; Job, Charles; Tata Kimeng, H.; Mustapha, S.; Nduka, O.; Aghaegbusi Mgbemene, C. (September 2011). Nigerian agricultural waste products for the production of particleboard In: Italic 6 - Science & Technology of Biomass: Advances and Challenges. Viterbo, Italy. 5-8 Sep 2011.

Lehmann, Martin; Brunner, Maurice Yaw; Kraft, Sebastian (2010). Higher load bearing capabilities with elastic glue lines for glulam In: 11th World Conference on Timber Engineering 2010, WCTE 2010. Riva del Garda, Italy. 20.-24.06.2010.

Brunner, Maurice Yaw; Lehmann, Martin; Kraft, Sebastian; Fankhause, Urs; Richter, Klaus (2010). Super glulam: A flexible adhesive layer boosts the bending resit ance of glulam In: 11th World Conference on Timber Engineering 2010, WCTE 2010.

Rauscher, R.; Spang, F.; Lehmann, Martin; Vallée, Till (July 2009). Strength prediction of a joint composed of a pultruded FRP tube bonded to an FRP lamella In: 17th International Conference on Composite Materials. Edinburgh, UK. 27-29 Jul 2009.

Vallée, T.; Tannert, T.; Lehmann, Martin; Brunner, Maurice Yaw (July 2009). Probabilistic strength prediction of adhesively bonded joints composed of wooden adherends In: 12th International Conference on Fracture 2009. Ottawa, Canada. 12-17 Jul 2009.

Brunner, Maurice Yaw; Lehmann, Martin (2009). Frp-prestressed timber : losses in prestressing force due to elastic , creep and shrinkage deformations of the timber In: FRPRCS. Sydney, Australia. 13-15 Jul 2009.

Brunner, Maurice Yaw; Schnueriger, M.; Lehmann, Martin (2008). Strengthening glulam beams with prestressed multilayer FRP carbon laminates In: Final Conference COST E34 Bonding of Timber (2008). Sopron, Hungary. 06.-07.05.2008.

Lehmann, Martin; Brunner, Maurice Yaw; Schober, Kay Uwe; Rautenstrauch, Karl (2008). Testing and numerical simulation of FRP prestressed timber structures In: Enhancing bondline performance : Final Conference COST E34 Bonding of Timber (pp. 60-67). Sopron, Hungary: Lövér-Print Nyomdaipari

Lehmann, Martin; Properzi, Milena; Pichelin, Frédéric (2008). Strengthening of timber structures using pre-stressed carbon fibre lamellas In: MEDACHS Conference (2008). Lisbon, Portugal. 20.-23.01.2008.

Lehmann, Martin; Properzi, Milena; Pichelin, Frédéric; Triboulot, Pascal (2006). Pre-stressed FRP for the in-situ strengthening of timber structures In: 9th World Conference on Timber Engineering 2006, WCTE 2006. Portland, USA. 06.-10.08.2006.

Lehmann, Martin (2015). Investigations of the Loadbearing Behaviour of Timber Bending Beams Reinforced Using Prestressed CFRP-Lamellas (Unpublished). (Dissertation, Bauhaus-Universität Weimar, Fakultät Bauingenieurwesen)

Lehmann, Martin (2006). Renforcement sur site de poutres en bois avec lamelles de carbone précontraintes; Mémoire de Master -Sciences du Bois et des Fibres-, Université Henri Poincaré UHP, Nancy

Lehmann, Martin (2004). The development of Vintorg 2 -Mechanical testing of the first trial production-; Diploma thesis, Hochschule für Architektur Bau und Holz, Biel

Lehmann, Martin (June 2020). Neue Möglichkeiten dank hochfestem Stabschichtholz aus Buche spirit biel/bienne, pp. 10-11. Biel/Bienne: BFH

Lehmann, Martin; Clénin, Reto; Richter, Klaus; Properzi, Milena (2007). Kohlefaserlamellen zur Verstärkung von Holzbalken baublatt(41), pp. 28-30. Infopro Digital Schweiz GmbH

Lehmann, Martin; Clenin, Reto; Richter, Klaus; Properzi, Milena (2007). Kohlefaserlamellen zur Verstärkung von Holzbalken Holzbau: Die neue Quadriga, 10, pp. 28-32. Kastner AG - das medienhaus

Lehmann, Martin; Kenel, Beat; (2002). Mehrgeschossiger Wohnungsbau: Lignarius pp. 20-21

Properzi, Milena; Pichelin, Frédéric; Lehmann, Martin (Eds.) (2004). COST E34 Innovations in Wood Adhesives, School of Architecture, Civil and Wood Engineering HSB, Biel

Lehmann, Martin (2004). Fagus Suisse: Erste Erfahrung mit der industriellen Produktion; Verklebungstag Biel/Bienne 2020: Verkleben am Limit?

QM Kommission FDW

CEN/TC 124 - "Timber structures" WG 01 "Test Methods"

CEN/TC 124 - "Timber structures" WG 03 "Glued laminated timber"

CEN/TC 124 - "Timber structures" WG 03 "Glued laminated timber" TG 1 "Hardwood glulam"

CEN/TC 193/SC 1 - "Adhesives for wood and derived timber products"

CEN/TC 193/SC 1 - "Adhesives for wood and derived timber products" WG 04 "Tests methods, classification and performance requirements for adhesives other than phenolic and aminoplastic, for load- bearing timber structures"

CEN/TC 193/SC 1 - "Adhesives for wood and derived timber products" WG 08 "Revision of EN 301 and EN 302"

CEN/TC 193/SC 1 - "Adhesives for wood and derived timber products" WG 14 "Testing and requirements for hardwood bonding and chemically modified wood substrates"

INB/NK 2193 "Adhesives"