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2019: Book of abstracts: CompWood 2019

Published: 2019-06-14

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Preface

Preface / Foreword

Thomas K. Bader, Josef Füssl, Anders Olsson

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Keynote lecture

Utilizing experiments and numerical models as basis for structural engineering

Kjell A Malo

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Experimental characterization of material properties for numerical modelling of timber engineering applications

Philipp Dietsch, Martin Danzer, Martin Gräfe

4
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Coupled heat and mass transfer in wood and wood-based products: macroscopic formulation, upscaling and multiscale modelling

Patrick Perré

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Cross laminated timber plates with a notch at the support

Erik Serrano

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Numerical optimization of glued laminated timber with mixed species

Falk K. Wittel, Lukas Blum, Peter Niemz

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Computational methods for connections and structures

Wood crushing modelling for timber joint engineer problems

I. Tavakoli, J-F. Bocquet

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Numerical modeling of dowel-type connections in soft- and hardwoods including the rope effect

Michael Schweigler, Thomas K. Bader

10
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Test-analyses comparisons of a stabilizing glulam truss for a tall building

Pierre Landel, Andreas Linderholt, Marie Johansson

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Numerical and experimental study on light-frame test-modules for modular-based timber structures

S. Ormarsson, J. Vessby, L. Kuai

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Approximation of stresses in multi-span CLT beams based on refined zigzag theory

R. Sieder, G. Schickhofer

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Numerical study on de elastic buckling of CLT Walls subjected to compressive loads

J. C. Pina, E. I. Saavedra Flores, Karin Saavedra, C. F. Guzmán, S. Yanez

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Computational and experimental methods for wood materials

Computational wood mechanics using the material point method

John A. Nairn

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Phase field method-based modeling of fracture in wood

Sebastian Pech, Markus Lukacevic, Josef Füssl

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Experimental study on the creep response of Chilean Radiata Pine wood

Carlos Felipe Guzmán, Juan Carlos Pina, Erick I. Saavedra Flores, Sergio J. Yanez

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Improvement of ductility and toughness of wood polypropylene-composites

Khalil Abdelmoula, Sébastien Migneault, François Godard, Ahmed Koubaa

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A numerical and experimental methodology to investigate morphological changes in wood exposed to fire temperatures

S. Fortino, A. Rinta-Paavola, R. Pečenko, T. Hozjan, A. Paajane, J. Vaari, S. Hostikka

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Modeling of wood under combination of normal stresses with rolling shear stress

Shaheda T Akter, Thomas K. Bader, Erik Serrano

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Connections and timber structures

Close-up strain measurement along the mechanical interface of self-tapping screws joined with timber by means of electronic speckle pattern interferometry

Cedou Kumpenza, Andreas Ringhofer, Thomas Krenke, Ulrich Müller

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Reliability analyses using finite element models of trussed timber structures with dowelled connections

Stephan Schilling, Jonas Wydler, Pedro Palma, Robert Jockwer

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4D self-shaping mechanisms for achieving double-curved wooden structures

Philippe Grönquist, Dylan Wood, Falk K. Wittel, Markus Rüggeberg

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A new macro modeling approach in structural analysis of integrally-attached timber plate structures

Aryan Rezaei Rad, Henry V. Burton, Yves Weinand

26
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Structural design methods for tall timber towers with large wind turbine

Petra Steen, Pierre Landel, Erik Dölerud, Otto Lundman

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Creep –Transfer of complex rheological behaviourinto timber engineering

Georg Hochreiner

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Cross-laminated timber

Modelling principles of glued-in rods in cross laminated timber

Boris Azinović, Henrik Danielsson, Erik Serrano, Miha Kramar

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A calibrated model for experimental hysteretic results of wall joints in CLT panels

S. J. Yanez, J. C. Pina, E. Pérez, P. González, E. I. Saavedra Flores, C. F. Guzmán

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Strengthening of cross-laminated timber by adding aluminium plates

Jonas Turesson, Dmitry Dosmaev, Mats Ekevad

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Simulation of alternative load paths after a wall removal in a platform-framed cross-laminated timber building

Johannes A. J. Huber, Mats Ekevad, Ulf Arne Girhammar, Sven Berg

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Experimental analysis and numerical modelling of post-tensioned CLT shear walls with energy dissipators

Zhiyong Chen, Marjan Popovski

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A finite element approach to investigating the influence of knots on cross laminated timber

Fiona A. O’Donnell, Sanjay R. Awade, Peggi L. Clouston

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Modelling and testing of connections

Simplified mechanical models for timber connections in fire

Pedro Palma, Jonas Wydler, René Steiger

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Numerical modelling and experimental investigation of compressed wood dowel connected laminated timber members

A. Sotayo, D. Bradley, A. Makrad, S. Belouettar, Z. Guan

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Numerical simulation of full-culm bamboo structural member connections

Theodora Mouka, Elias G. Dimitrakopoulos

39
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Long-term finite element analysis of timber-steel composite joint

Y. Nie, H. Valipour

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Tensile loading tests steel plated inserted joint with drift pin on CLT

W. Kambe, H. Nasu, S. Onishi, M. Yoshida

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Nonlinear 1D component based and 3D continuum-based finite element analysis of hybrid timber-steel beam to column connections

F. Nouri, H. Valipour

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Simulation and testing of materials and structures

In-plane elastic behavior of transparent wood composite measured with digital image correlation

Erik Jungstedt, Lars Berglund, Sören Östlund

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Experimental and computational models of bamboo reinforcement

Siva Avudaiappan, Saddam M Ahmed, Erick I. Saavedra Flores

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Multi-objective and multi-criteria approach for value-driven design in industrialized residential multi-storey timber-building

Hamid Movaffaghi, Johan Pyykkö, Ibrahim Yitmen

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Analytical evaluation of bond models for glued-in rods in timber

Eleni Toumpanaki, Michael Ramage

47
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Determination of shear modulus (GLR) for seven boreal species using a bending test and non-destructive methods (ultrasound and torsional resonance methods)

Wiem Jarboui, Ahmed Koubaa, Besma Bouslimi

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Modelling moisture in wood

Heat and mass transfer model for wood under real climate conditions

Maximilian Autengruber, Markus Lukacevic, Josef Füssl

50
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Finite-Element-Modelling of moisture-induced cracks in wood and wooden structures

Robert Fleischhauer, Paula Reiher, Michael Kaliske

51
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A multi-phase coupled transient heat and moisture transport model in wood based on the hybrid mixture theory

W. Mmari, B. Johannesson

52
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Brittle failure of wood

Investigations of crack formation and delamination in bonded wooden elements in variable climatic conditions in the interior

Peter Niemz

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A review of computational methods to describe the strength and failure behavior of wood and wood-based products and their embedment into a holistic design approach

J. Füssl, M. Lukacevic, M. Li, S. Pech, G. Kandler, J. Eberhardsteiner

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Experimental evaluation of fracture properties and cohesion law of wood-adhesive bond-line in mode II using end-notched flexure

J.G Pečnik, S. Vaclav, B. Azinović, M. Kramar

56
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Numerical modeling of wood-adhesive bond-line in mode II for beech wood glued by various adhesives

Václav Sebera, Jaka Gašper Pečnik, Boris Azinovič, Miha Kramar

57
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Strength and fracture analysis of shear mode III in cross laminated timber

Henrik Danielsson, Erik Serrano, Per Johan Gustafsson

58
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An experimental and numerical investigation of fracture characteristics of acetylated Scots Pine

Karin Forsman, Erik Serrano, Henrik Danielsson

59
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Fibre orientation - modeling and grading of wood

Assessment of the error of fiber orientation measurement obtained by laser scanning on several European hardwood and softwood species

Benoît Besseau, Guillaume Pot, Joffrey Viguier, Robert Collet

61
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Prediction of tensile strength in sawn timber by means of surface laser scanning and dynamic excitation

Andreas Briggert, Anders Olsson, Jan Oscarsson

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Determination of global modulus of elasticity of timber by using fiber orientation and proportion of latewood

Yu-Jie Cheng, Tzu-Yu Kuo, Wei-Chung Wang

63
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Automatic detection of pith location along boards of Norway spruce on the basis of data from optical scanning of longitudinal surfaces

Tadios Habite, Anders Olsson, Jan Oscarsson

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Modeling fiber direction around knots in structural timber

Min Hu, Anders Olsson, Jan Oscarsson

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Investigation of density variations in molded wood tubes using gamma-ray CT and correlation with load-bearing behavior

Jens U. Hartig, André Bieberle, Chris Engmann, Peer Haller

66
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Computational analysis of timber structures

A critical discussion on the application of the Finite Element Method in design and verification of timber structures

Robert Jockwer

68
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Industrialization of the design and production process of wooden trusses

B. Kromoser, M. Braun

69
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Numerical modelling of light-frame timber walls with focus on out-of-plane deformations and elastic-plastic fastener force distribution

L. Kuai, S. Ormarsson, J. Vessby

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Numerical analysis to study how out-of-plane imperfections affect the ultimate load bearing capacity of slender long span timber trusses

Johan Vessby, Sigurdur Ormarsson, Bo Källsner

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Investigations on transversal load sharing in Timber-Concrete floors

Hubertus Kieslich, Klaus Holschemacher, Michael Kaliske

72
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Structural behaviour of hybrid floor systems: cold-formed steel and sustainable floorboards

Sardar Malek, Mandana Arzaghi, Colin McMahon

73
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Modelling of wood products

Timoshenko beam with enhanced stress recovery and constitutive relations describing the effects of variable grain direction on the behavior of a GLT beam

Giuseppe Balduzzi, Simone Morganti, Josef Füssl, Mehdi Aminbaghai, Alessandro Reali, Ferdinando Auricchio

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On the question whether the volume of glulam bending members changes their reliability

Matthias Frese, Carmen Sandhaas

76
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Hybrid GLT-LVL glulam - modelling and experiments

J. Dobnikar, G. Dill-Langer, S. Aicher

77
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Influence of the material thickness and microstructure on the mechanical properties and the pressure distribution in timber constructions

M. Jamrozy, R. Scholz, N. Wittpoth, D. Mehlich, O. Bletz-Muehldorfer, L. Bathon, F. Walther

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2D computational modeling of the influence of transverse reinforcement on perpendicular to grain stress in double tapered glulam beams

Anna Al Sabouni-Zawadzka, Wojciech Gilewski, Jan Pełczyński

79
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Numerical modelling of beam-beam connection systems using compressed wood plates and dowels

Iman Mohseni, Sameer Mehra, Adeayo Sotayo, Zhongwei Guan, Annette M. Harte

80
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Simulation of materials and structures

Modelling wood anisotropy by the mean of the Discrete Element Method for cutting process simulation

Curti Rémi, Guillaume Pot, Stéphane Girardon, Philippe Lorong, Robert Collet

82
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Modeling inhomogeneities of veneers with a grayscale mapping approach

David Zerbst, Christian Liebold, Thomas Gereke, Sebastian Clauß, Chokri Cherif

83
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Notches in wood at arbitrary beam location – numerical modelling and challenges

Jiří Kunecký, Georg Hochreiner

84
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In-plane buckling analysis of transversely loaded timber beams

Hans Petersson, Bo Källsner

85
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Timber composite and wood material characterisation

Development of an innovative multifunctional roof and ceiling design in timber-concrete composite construction

Claudia Seck, Wolfgang Kurz

87
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Determination of moduli of elasticity of latewood and transition latewood of japanese cedar by using digital image analysis

Tzu-Yu Kuo, Wei-Chung Wang, Huai-Syuan Huang, Jean-Shang Wang

88
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Hybrid glulam beam made of beech and spruce laminations – experimental and numerical investigation

Meta Kržan, Boris Azinović, Barbara Fortuna

89
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Mechanical properties of oil palm wood (Elaeis guineensis JACQ.)

K. Fruehwald-Koenig

90
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Cross laminated timber structures

Global vibration modes of a four-story wood building

Taus V. Rasmussen, Åsa Bolmsvik, Anders Brandt

92
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Numerical optimization of novel connections for cross-laminated timber buildings

Hercend Mpidi Bita, Cristiano Loss, Thomas Tannert

93
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Nonlinear computational modelling of cross-laminated timber buildings

Erick I Saavedra Flores, Siva Avudaiappan, Carlos F. Guzmán, Sergio J. Yanez, Juan C. Pina

94
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Simulating the mechanical behaviour of connections

Strength and stiffness of hardwood joints experimental and numerical investigations

R. Lemaître, T. Benistand, J-F. Bocquet, L. Bléron

96
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Simplified calculation model for interconnected timber elements using wood-wood connections

J. Gamerro, J. F. Bocquet, Y. Weinand

97
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Mechanics of timber – to - timber shear connections with metal fasteners considering perfect plasticity and large deformations: The rope effect

Werner Guggenberger

98
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3D finite element model for shear stiffness of wood-wood connections for engineered timber panels

Anh Chi Nguyen, Julien Gamerro, Jean-François Bocquet, Yves Weinand

99
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Connection stiffness and vibration transmission in timber frame structures

Michael Dorn, Michael Schweigler, Åsa Bolmvik

100
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Historic wood applications

Studies for the Mona Lisa conservation: the implementation of its panel's Digital-Twin

Lorenzo Riparbelli, Fabrice Brémand, Paolo Dionisi-Vici, Jean-Christophe Dupre, Giacomo Goli, Frank Hesser, Delphine Jullien, Paola Mazzanti, Marco Togni, Elisabeth Ravaud, Luca Uzielli, Joseph Gril

102
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A preliminary numerical analysis study on the oriental historic timber-frame buildings

Sok-Yee Yeo, Hsuan-I Hung, Yu-Lin Chung, Min-Fu Hsu

103
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Blockhaus buckling analyses: Numerical and analytical models to evaluate the critical load

Martina Sciomenta, Chiara Bedon, Massimo Fragiacomo, Angelo Luongo

104
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Design of the double step joint to account the shear crack with cohesive surfaces

Maxime Verbist, Jorge M. Branco, Lina Nunes, Thierry Descamps

105
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Fracture analysis of single-shear joint equipped with oak dowel loaded perpendicular to grain with eccentricity

Hana Hasníková, Jiří Kunecký, Georg Hochreiner

106
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Simulation and testing

Hygro-mechanical modelling of glutin-based bond lines in wooden cultural heritage

Daniel Konopka, Erik V. Bachtiar, Peter Niemz, Michael Kaliske

108
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On the need for reliable rolling shear characteristics in CLT lamellas and for efficient related test methods

Lech Muszyński, Shaheda T. Akter, John Nairn, Thomas K. Bader

109
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Applying the XFEM method to the simulation of tensile failure in timber boards and finger-joints in a glulam strength model

Cristóbal Tapia, Simon Aicher

110
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