Publications
 see also >>

Gehri, E. (1969):
Inhalt der Vorlesung Holzbau. ETHZ, Professur fuer Baustatik und Stahlbau.

Bariska, M.; Popper, R. (June 1970):
About Ammonia Treatment of the Green Birch Logs. (In German), Internal Report   IWH-ETHZ : 1-4.

Bariska, M.; Popper, R. (1971):
The Behavior of Cotton Cellulose and Beech Wood in Ammonia Atmosphere. J. Polymer Sci.C 36: 199-212.

Popper, R. (Sept. 1971):
Calorimetric Determination of Sorption Heat. (In German), Internal Report IWH-ETHZ: 1-20.

Popper, R.; Bariska, M. (1972):
Acylation of Wood. Part 1: The Sorption Behaviour of Water Vapor. (In German). Holz Roh- Werkstoff 30: 289-294.

Popper, R.; Bariska, M. (1973):
Acylation of Wood. Part 2: Thermodynamics of Water Vapor Sorption. (In German). Holz Roh- Werkstoff 31(2): 65-70.

Popper, R. (1973):
Dimension Stabilization of Wood. (In German). SAH Bulletin 1(1): 3-12.

Bariska, M; Popper, R.; Strasser, Ch. (1974):
Chemical Modification of Wood. (In German). Schweiz. Z. Forstwes. 4(1): 394-405.

Popper, R. (1974):
The Binding Forces on Gluing. (In German). Internal Report IWH-ETHZ, MAN 7: 1-9.

Popper, R. (1975):
The Influence of Wood-Extractives on Technological Behaviour of Wood, especially on the Glueability of Wood. (In German). SAH Bulletin 3(1): 2-11.

Popper, R.; Bariska, M. (1975):
Acylation of Wood. Part 3.: Swelling and Shrinking Behaviour. (In German). Holz Roh- Werkstoff 33: 411-415.

Bariska, M.; Popper, R. (1975):
Ammonia Sorption Isotherms of Wood and Cotton Cellulose. Wood Sci. and Technology 9: 153-163.

Popper, R.; Bosshard, H. H. (1976):
Calorimetric Measurements for Determination of Differences in Cellulose-Lignin-System of Compression- and Normal Wood. (In German). Holz Roh- Werkstoff 34: 281-288.

Popper, R. (August1977):
Possibilities of Dimensional Stabilization of Wood. (In German). Schweizerische Holzzeitung  HOLZ Nr. 34: 15.

Popper, R. (1978):
Ion-Absorption and Protolytic Equilibrium of Wood in Electrolytes. (In German). Holzforschung 32(3): 77-82.

Popper, R. (1978):
Biochemistry of Lignified Cellwall and the Consequent Phenomena in Wood. Part 1: Swelling Phenomena. (In German). Internal Report IWH-ETHZ Nr.26: 1-20.

Popper, R. (February 1978):
Biochemistry of Lignified Cellwall and the Consequent Phenomena in Wood. Part 2: About Ion-Absorption and Protolytic Equilibrium of Wood in Electrolytes. (In German). Internal Report  IWH-ETHZ, MAN 18/Pp: 1-15.

Gehri, E. (1979):
Entwurf und Bemessung von Schnittholz-Konstruktionen mit neuzeitigen Verbindungen. Forbildungskurs SAH 8.-9. Nov. 1979, Weinfelden

Popper, R. (1979):
Kinetic Measurements of Swelling and Shrinking of Chemically Modified Wood. Part 1: Considerations on the Measurement Technique, Construction and Function of the Apparatus. (In German). Holz Roh- Werkstoff 37: 77-82.

Popper, R.; Bosshard, H. H.; Eberle, G. (1980):
Kinetic Measurements of Swelling and Shrinking of Chemically Modified Wood. Part 2: Transversal Measurements from Drying to Storage in Water. (In German). Holz Roh- Werkstoff 38: 423-428.

Gehri, E. (1982):
Fachwerktraeger aus Buche und Fichte mit Stahlknotenplatten in eingeschlitzten Hoelzern. Internal Report 82-1, Baustatik und Stahlbau, ETHZ.

Gehri, E.; Fontana, M. (1983):
Betrachtungen zum Tragverhalten von Passbolzen in Holz-Holz-Verbindungen. Internal Report 83-1, Baustatik und Stahlbau, ETHZ.

Popper, R. (1985):
Computer Controled System for Determination of Mechanical Properties of Single Fibres under Different Climate Conditions. (In German). Holz Roh- Werkstoff 43: 193-197.

Gehri, E. (1985):
Glued Laminated Timber of High Strength for the Cross-Girders of Road Bridges. (In German). In Xylorama: Trends in Wood Research, Edited by L. J. Kucera, Birkhaeuser Verlag Basel-Boston-Stuttgart, 85-94.

Popper, R. (1985):
Wood/Sorbate-System with Regard to the Submicroscopical View. (In German). In Xylorama: Trends in Wood Research, Edited by L. J. Kucera, Birkhaeser Verlag Basel-Boston-Stuttgart, 155-163.

Popper, R. (1985):
Dimensionstabilization of Lignocelluloses. (In German). Internal Report   IWH-ETHZ 5.521.330.360-4/1: 1-176.

Popper, R. (1985):
Asbest Substitutes for Fibre-Cement Panels. Report DEF/IWH 5.521.330.360-4/2: 1-74.

Popper, R. (1986):
Physical and Physico-Chemical Properties of Wood. Test Methods and Characteristic Quantities. (In German). Skript Kaderkurs IWH-ETHZ: 1-84.

Popper, R. (1987):
Ion-Absorption of Wood and the Dependence from pH-Range and the Ion-Strength of the Solution. (In German). Holz Roh- Werkstoff 45(7): 296.

Popper, R.; Kisseloff, P.; Buchmueller, K. (1987):
Postgraduate Course in Wood. Wood Technological Measuring and Check Control. Script IWH-ETHZ: 1-149.

Gehri, E. (1988):
Festigkeits- und Verformungsverhalten von Verbindungen. Schlussbericht Projekt Nr. 4.648.0.83.12, ETHZ, Int. Rep. 88-3, Baustatik und Stahlbau ETHZ: 81 Pages.

Popper, R. (1988):
Energy Transfer at Gas and Damp Adsorption of Wood. Consideration on the Measurement Technique, Construction and Function of the Calorimeter. (In German). Internal Report IWH-ETHZ 311.1-5B: 1-27.

Popper, R.; Eberle, G. (14. January 1988):
Determination of Energy Transfer at Integral Water Adsorption of Fir and Pine Wood Exposed to Pollution. (In German). Internal Report IWH-ETHZ: 1-16.

Popper, R. (March 1988):
Thermodynamics of Adsorption. (In German). Internal Report  IWH-ETHZ: 1-14.

Gehri, E. (1989):
Bruecken und Stege aus Holz. 21. Fortbildungskurs der SAH, 8.-9. Nov.1989, Weinfelden.

Popper, R. (1991):
Influence of the Heat on the Physical, Physico-Chemical and Chemical Properties of Lignocelluloses. (In German). Internal Report D-WAHO/ETHZ: 1-24.

Gehri, E. (1992):
Holz-Bewaertes oder Neues? Schweiz. Z. Forstwes. 143(9).

Gehri, E. (1992):
Anpassung der Konstruktionsnorm SIA 164 (1981)- Holzbau- an die neue Norm SIA 160 (1989). Internal Report 92-1, Professur fuer Holztechnologie.

Gehri, E. (1992):
Tragverhalten von Brettschichtholz. Untersuchungen an kleinen Traegern. Internal Report 92-2, Professur fuer Holztechnologie.

Gehri, E. (1992):
Determination of Characteristic Bending Values of Glued Laminated Timber. EN-approach an Reality. CIB-W18/25-12-1.

Gehri, E.; Bernasconi, A.; Colombo, P. (1992):
Costruire con il legno. Centrale del Legno.

Popper, R.; Eberle, G. (1992):
Influence of the Heating Rate on Thermal Expansion of Wood in the Temperature Range Between 100°C and 120°C. (In German). Drevarsky vyskum (Wood Research) 134: 27-38.

Popper, R.; Eberle, G. (1992):
Comparison of the Properties of Normal Beech Wood and Beech Wood Exposed to Pollution: Physico-mechanical Properties. (In German). Schweiz. Z. Forswes. 143(5): 333-338.

Popper, R.; Osusky, A. (1992):
Comparison of the Properties of Normal Beech Wood and  Beech Wood Exposed to Pollution: Weathering and Soil Block Test. (In German). Schweiz. Z. Forstwes. 143(5): 339-342.

Popper, R.; Eberle, G.; Pfeiffer, R.; Etter, H.; Arm, H.-P. (1992):
Technological Investigations on Wood Ties from Furka-Oberalp-Railway. (In German). Internal Report FO/ETHZ 9105/Pp: 1-20.

Popper, R.; Etter, H.; Hirzel, A. (1992):
Investigations on Straight-Glued Joints. (In German). Internal Report D-WAHO/ETHZ, Pp Olyfuge.doc: 1-12.

Popper, R.; Eberle, G. (1992):
Thermo-Mechanical Properties of Adhesives. (In German). Internal Report D-WAHO/ETHZ, Pp OlyTMA.doc/0892: 1-9.

Gehri, E. (1993):
Robinienholz - Gruende fuer die vermehrte Anwendung. Internal Report 93-1, Professur fuer Holztechnologie.

Gehri, E. (1993):
Verleimung. Internal Report 93-1, Professur fuer Holztechnologie.

Gehri, E. (26. Oct. 1993):
Schichthoelzer hoher Leistung - Moeglichkeiten und Anforderungen. Schweizer Holzbau 10.

Bernasconi, A. (1993):
Keilzinkverbindungen. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Bernasconi, A. (1993):
Sperrholz in Brueckenbau. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Gehri, E. (1993):
Mechanische Eigenschaften von Furnierwerkstoffen in Funktion von Aufbau, Holzart und Leim. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Gehri, E. (1993):
Grundlagen der Verbindungstechnik. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Gehri, E. (1993):
Bemessungsgrundlagen. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Gehri, E. (1993):
Entwicklungsmoeglichkeiten von Holzwerkstoffen auf Furnierbasis. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Mischler, A. (1993):
Theater de la Chaux-de Fonds. Verstaerkung der Zuschauergalerien mittels geknickter Furniersperrholz-Traeger. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Mischler, A. (1993):
Bolzenverbindungen. Proc. 25. Postgraduate Course "Holzwerkstoffe auf Furnierbasis", Weinfelden.

Popper, R.; Eberle, G. (1993):
Investigations of Thermomechanical Properties of Dry Wood. (In German). Drevarsky vyskum (Wood Research) 135: 11-17.

Popper, R.; Gehri, E.; Eberle, G.; Etter, H. (1993):
Influence of the Moisture Content of Wood on the Pull-Out Resistance of  Glued Threaded Rods. (In German). Internal Report D-WAHO/ETHZ, Pp Olystoss.doc:1-11.

Gehri, E. (1994):
Joints with Dowel-Type Fasteners. A System Factor or a Systematic Error? CIB-W18.

Mischler, A. (1994):
Theater de la Chaux-de Fonds. Verstaerkung der Zuschauergalerien mittels geknickter Furniersperrholz-Traeger. Internal Report, Professur fuer Holztechnologie.

Gehri, E. (1994):
Decke als Teil des Gebaeudesystems. SAH-Tagung "Deckensysteme in Holz", Weinfelden 9.-10. Nov. 1994.

Bernasconi, A. (1994):
Massivdecken aus Kantholz, Kant- und Brettschichtholz. SAH-Tagung "Deckensysteme in Holz", Weinfelden 9.-10. Nov. 1994.

Mischler, A. (1994):
Anforderungen bezueglich Statik. SAH-Tagung "Deckensysteme in Holz", Weinfelden 9.-10. Nov. 1994.

Steiger, R.; Gehri, E.; Arm, H.-P. (1994):
Einspannvorrichtung fuer Zugversuche an Holzproben groesseren Querschnitts. ISBN 3-7643-5074-1, Birkhaeuser, Basel.

Popper, R.; Gehri, E.; Eberle, G.; Camponovo, S. (1994):
Lateral Reinforcement of Lumber Panels Between Air Dry Conditions and Storage in Water. (In German). Internal Report D-WAHO/ETHZ HT/Pp LehPlat1.doc: 1-15.

Gehri, E. (1995):
Zur Qualitaet von Holzprodukten. Bulletin 1/95. Kompetenz-Zentrum Holz.

Gehri, E. (1995):
Sortierung mittels Ultraschallverfahren. Tagungsband, Grazer Holzbautagung, 22. June 1995.

Gehri, E. (1995):
Zusammenfassung, Bedeutung fuer die europaeische Normung. Tagungsband, Grazer Holzbautagung, 22. June 1995.

Gehri, E. (1995):
Introduzione. Solette in Legno, Seminari 17. Nov. 1995, Schweiz. Arbeitsgemeinschaft fuer Holzforschung.

Bernasconi, A. (1995):
Solette in legno - Esigenze e caratteristiche. Solette in Legno, Seminari 17. Nov. 1995, Schweiz. Arbeitsgemeinschaft fuer Holzforschung.

Bernasconi, A. (1995):
Sistemi "Di marca". Solette in Legno, Seminari 17. Nov. 1995, Schweiz. Arbeitsgemeinschaft fuer Holzforschung.

Fabris A. (1995):
Solette in legno classiche. Solette in Legno, Seminari 17. Nov. 1995, Schweiz. Arbeitsgemeinschaft fuer Holzforschung.

Gehri, E. (1995):
Von der Forschung in die Praxis. Internationales Forum des Holzbaus, Wuerzburg 30. Nov. 1995.

Gehri, E. (1995):
Holztragwerke Entwurfs- und Konstruktionsregeln. Lignatec 2/1995, Die technische Holzinformationen der Lignum.

Mischler, A. (1995):
Holztragwerke Entwurfs- und Konstruktionsregeln. Lignatec 2/1995, Die technische Holzinformationen der Lignum.

Popper, R.; Eberle, G. (1995):
Kinetic Transversal Swelling and Shrinking of Compression and Opposite Fir Wood along Sorption Isotherm. (In German). Internal Report D-WAHO/ETHZ Pp 05/95: 1-20.

Popper, R. (1995):
Modified Instron Machine for Strength Tests on Small Wood Specimens. Provisional Manual. Internal Report D-WAHO/ETHZ Pp Instron.doc 10.95: 1-23.

Gehri, E. (1996):
Design of Joints and Frame Corners using Dowel-type Fasteners. CIB-W18 Meeting, Bordeaux 25.-29. August 1995.

Gehri, E. (1996):
Timber Bridges and Research in Switzerland. Nordic Timber Bridge Symposium, Helsinki 3. Sept. 1996.

Gehri, E. (1996):
Bemessung und Konstruieren mit Brettschichtholz. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Gehri, E. (1996):
Bauteile- Grundlagen gemaess SIA 164 und Eurocode 5. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Gehri, E. (1996):
Verbindungen - Grundlagen. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Gehri, E. (1996):
Krafteinleitungen mittels Stahlanker. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Gehri, E. (1996):
Qualitaetssicherung. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Fabris, A. (1996):
Eigenschaften von BSH-Lamellen. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Fabris, A. (1996):
Freibachbruecke Rheineck. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Mischler, A. (1996):
Passbolzenverbindungen. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Mischler, A. (1996):
Verbundwerkstoff Brettschichtholz. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Scapozza, C. (1996):
Keilzinkenstoesse mit Brettschichtholz und Sperrholz. Proc. "Brettschichtholz", SAH, Weinfelden 6.-7. Nov. 1996.

Schrepfer, V. (1996):
Contact Drying of Wood. Partial Aspect of a Procedure to Form and Dry Small Diameter Roundwood from Young Stands of Spruce (Picea abies Carst.). Proc. 5th International Wood Dry Conference IUFRO, Quebec 1996.

Popper, R.; Eberle, G. (1996):
Kinetics of the Compression and Opposite Wood Deformation due to Moisture along the Sorption Isotherm. (In German). Drevarsky vyskum (Wood Research) 41(1): 15-28.

Popper, R. (1996):
Reconstruction of Instron Machine for Strength Tests on Small Wood Specimens. (In German). Internal Report D-WAHO/ETHZ Pp: 1-25.

Gehri, E. (1997):
Ist der Einsatz von BS 18 wirtschaftlich? 1. BS-Holz-Seminar, 28. Feb. 1997.

Gehri, E. (1997):
Die Nutzung verbessern! Wald+Holz 9/97: 24-25.

Gehri, E. (1997):
"BS-Holz .. marktgerecht und ressourceschonend?". Grazer Holzbau-Fachtagung Sortierung & Festigkeit, TU 6. June 1997.

Gehri, E. (1997):
Timber in Compression Perpendicular to the Grain. Int. Conference of  IUFRO, Timber Engeneering, Copenhagen June 18-20, 1997.

Gehri, E. (1997):
A Steel-to-timber Dowelled Joint of High Performance in Combination with a High Strength Wood Composite (Parallam). 30th CIB W18 Meeting, Vancouver, August 25.-28, 1997.

Gehri, E. (1997):
Case: Assessment of the Modulus of Elasticity of Timber Parallel to Grain. 30th CIB W18 Meeting, Vancouver, August 25.-28, 1997.

Gehri, E. (1997):
Timber Connection with Dowel Type Fasteners: Explanation of some Pecularities in the Mechanical Behaviour. Background Papers to EC 5-2, Prag April 1997..

Gehri, E. (1997):
System Strength. Background Papers to EC 5-2, Prag April 1997..

Gehri, E. (1997):
Einfluss der Lagerungsbedingungen auf das Tragverhalten einer Stahl-Holz-Bolzenverbindung. Background Papers to EC 5-2, Prag April 1997.

Gehri, E. (1997):
Einfache und zuverlaessige Rundholzsortierung mit Ultraschall moeglich. Oesterreichische Forstzeitung 10/1997: 44-46.

Mischler, A. (1997):
Influence of Ductility on Load-carrying Capacity of Joints with Dowel-type Fasteners. 30th CIB W18 Meeting, Vancouver, August, 25.-28. 1997.

Popper, R.; Eberle, G. (1997):
Investigations on Wood Ties from Railway Tunnels. (In German). Drevarsky vyskum (Wood Research) 42(2): 13-23.

Schrepfer, V. (1997):
Formholz fuer den Baueinsatz. Internal Report 97-1, Professorship of Wood Technology ETH Zurich.

Mischler, A. (1998):
Bedeutung der Duktilitaet fuer das Tragverhalten von Stahl-Holz-Bolzenverbindungen. Diss. Techn. Wiss. ETH Zuerich, Nr. 12561.

Schrepfer, V. (1998):
Formvollholz-Schwachholz mit starken Eigenschaften. Wald+Holz (1): 34-35.

Gehri, E.; Scapozza, C. (1998):
Finger-joints between Glulam and Plywood. Meaning of the Plywood Structure of Beech-plywood. (In German). Internal Report 98, Professorship of Wood Technology ETH Zurich.

Scapozza, C. (1998):
Application of Plywood in Glued-laminated Portal Frames. 5th World Conference on Timber Engineering, August 17-20, Montreux-Switzerland.Vol. 1, Page 153-160.5th World Conference on Timber Engineering, August 17-20, Montreux-Switzerland.Vol. 1, Page 153-160.

Gehri, E. (1998):
Load Introduction and Load Transfer Perpendicular to Grain. 5th World Conference on Timber Engineering, August 17-20, Montreux-Switzerland.Vol. 1, Page 175-182.

Schrepfer, V.(1998):
Improvement of Tensile Strength and Stiffness of Solid Wood. 5th World Conference on Timber Engineering, August 17-20, Montreux-Switzerland.Vol. 1, Page 153-160.5th World Conference on Timber Engineering, August 17-20, Montreux-Switzerland.Vol. 1, Page 199-206.

Popper, R.; Gehri, E.; Eberle, G. (1998):
Lateral Reinforcement of Lumber Panels with Wooden Bars. Compulsive Strain due to Moisture Content. (In German). Drevarsky vyskum (Wood Research) 43(1): 27-36.

Popper, R.; Gehri, E.; Eberle, G. (1998):
Relaxation of Reinforced Glue Laminated Beams under Cyclic Climate Changes. (in German).
Internal Report Pp/98/BSH-Relax-Ber.:1-9. Professorship of Wood Technology ETH Zurich.

Popper, R.; Gehri, E.; Eberle, G. (1999):
Mechanosorptive Properties of Reinforced Glue Laminated Beams: Relaxation in Function of Cyclic Weathering. (in German). Drevarsky vyskum (Wood Research) 44(1): 1-11.

Popper, R.; Niemz, P.; Eberle, G. (2001)
Festigkeits- und Feuchteverformungsänderungen von Holzwerkstoffen entlang der Sorptionsisotherme.
Holzforschung und Holzverwertung, Wien, (1) (2001): 16-19

Popper, R.; Niemz, P.; Eberle, G. (2001)
The strength- and dimensional changes of wood based composites along the sorption isotherm.
Proc.First International Conference of the European Soc. for Wood Mechanics, April 19th-21st, 2001, Lausanne, Switzerland, Page 443.455.