Experimental and Numerical Investigation on Compression Orthotropic Properties of Spruce Wood in Axial and Transverse Loading Directions

• Autorzy: Zhong W , Rusinek A. , Jankowiak T. , Huang X. , Abed F.
• Języki publikacji: EN

Abstrakty

EN

Compression tests on spruce wood in axial, radial and tangential directions have been performed using an INSTRON hydraulic machine. Spruce elastic mechanical properties and plastic deformation behaviour are presented. Experimental results allow to demonstrate different spruce failure modes: fibers buckling and collapsing are noticed under axial compression whereas, fibers slippage and delamination are the main failure modes under compression loading in radial and tangential directions. Spruce energy absorption efficiency and ideality energy absorption efficiency in the three loading directions are also analyzed. Representative volume element (RVE) model is adopted assuming transverse isotropic behavior to simulate wood microstructure in all directions. It was shown that micro-cell arrangement leads to wood macromechanical property spatial anisotropy. Porosity and hole shape effects on simulation results are estimated by RVE models with hexagon, circle, pentagon and square holes.

Słowa kluczowe

EN

spruce wood; orthotropic; energy absorption; representative volume element; numerical simulation

PL

drewno świerkowe; ortotropia; absorpcja energii; element reprezentatywnej wielkości; symulacja numeryczna

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 2014
• Tom: Vol. 62, iss. 4
• Strony: 381–--401
• Opis fizyczny: Bibliogr. 23 poz., rys., tab., wykr.

Twórcy

autor

Zhong W

• Institute of Systems Engineering China Academy of Engineering Physics P.O.Box 919-401 621999, Mianyang, Sichuan, China

autor

Rusinek A.

• National Engineering School of Metz, Laboratory of Mechanics, Biomechanics, Polymers and Structures 1 route d’Ars Laquenexy, CS 65820 57078 Metz Cedex 3, France

autor

Jankowiak T.

• Institute of Structural Engineering Poznan University of Technology Piotrowo 5, 60-965 Poznan, Poland

autor

Huang X.

• Institute of Systems Engineering China Academy of Engineering Physics P.O.Box 919-401 621999, Mianyang, Sichuan, China

autor

Abed F.

• Department of Civil Engineering American University of Sharjah P.O.Box 26666 Sharjah, U.A.E

Bibliografia

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