Sylabus předmětu MVDR - Mechanical Properties of Wood (FFWT - SS 2019/2020)

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Course code:
Course title in Czech: Mechanical Properties of Wood
Course title in English:
Mechanical Properties of Wood
SS 2019/2020
Mode of completion and number of credits: Exam (5 credits)
Mode of delivery and timetabled classes: full-time, 2/2 (hours of lectures per week / hours of seminars per week)
part-time, 20/0 (lectures per period / seminars per period)
Level of course: bachelor
Course type: required
Type of delivery:
Mode of delivery for our mobility students abroad:
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Language of instruction:
Course supervisor:
Ing. Martin Brabec, Ph.D.
Course supervising department:
Department of Wood Science and Technology (FFWT)
Ing. Martin Brabec, Ph.D. (examiner, instructor, lecturer, supervisor, tutor)
Ing. Valentino Cristini (instructor)
Ing. David Děcký, Ph.D. (examiner, instructor, lecturer, tutor)
Ing. Dominik Hess (instructor)
Ing. Patrik Nop (instructor)
Ing. Luděk Praus, Ph.D. (examiner, instructor, lecturer, tutor)
Ing. Radim Rousek (instructor)
Ing. Václav Sebera, Ph.D. (examiner, instructor, lecturer, tutor)
Ing. Jan Tippner, Ph.D. (examiner, instructor, lecturer, tutor)
Ing. Jan Zlámal (examiner, instructor, lecturer, tutor)
Timetable in this semester:
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Aim of the course and learning outcomes:
Knowledge of the properties of wood and wood-based materials as a prerequisite for the rational choice of processing technology and use of wood for structural applications in construction, furniture making and inhabited environments. Mastering the fundamentals of materials engineering - understanding the relationship between chemical composition and anatomical structure and properties of wood.
Application of structural analysis on natural non-homogenous anisotropic polymer - wood. The course focuses on description of relationships among chemical composition, anatomical structure and response of wood to loading. Student will be provided: 1) theoretical description and analysis of general stress and strain state - general Hooke's law related to the dimensions of a problem, introduction to a fracture mechanics, rheological properties of wood and mechanics of layered systems; 2) in practical lectures, students will evaluate gained theoretical concepts by a set of measurement of material properties that describe stress and strain behavior of wood when loaded by fundamental modes of loading. Advanced chapter is mathematical and physical evaluation of behavior of wood on microscopic scale within which students can use contemporary knowledge of chemical and anatomical structure of wood to learn an influence of boundary conditions on mechanical properties of wood on macroscopic scale. After passing the course, students will be able to evaluate a reason of material failure and design the optimal parameters of structural wooden members (structural design). The course also applies principles of material science on practical issues in wood-processing industry.
Course content:
Wood as a composite material. Anisotropic character of wood properties. Chemical composition and anatomy of wood. Selected physical properties of wood. (allowance 2/0)
Mechanics of anisotropic deformable solid. Stress and strain Tensor. Equilibrium equation and compatibility of strains. (allowance 2/0)
Structural analysis. Elastic behavior - Hooke's law. Viscoelastic behavior. Material properties - moduli of elasticity, Poisson ratios, dynamic viscosity. (allowance 4/0)
One-dimensional (beam), two-dimensional (plate) and three-dimensional (general body) stress state. (allowance 2/0)
Application of theory on fundamental modes of loading - compression, tension, shear, bending, torque and buckling. (allowance 4/20)
Dynamic properties. Vibration of beams and boards. Toughness. (allowance 4/0)
Rheology - fatigue. Creep a relaxation. (allowance 2/0)
Fracture mechanics. Theory of fracture and criteria of failure for anisotropic material. (allowance 2/0)
9.Influence of factors on mechanical properties - chemical composition, anatomical structure, moisture content, temperature, density, loading time. (allowance 2/0)
Classical laminate theory. Mechanical behavior of layered materials. (allowance 2/0)
11.Design indexes of materials. Structural timber - strength classes. (allowance 2/0)
12.Application of theory in the calculation examples. Numerical simulations of physical fields. (allowance 2/4)
Learning activities and teaching methods:
Type of teaching method
Daily attendance
Combined form
28 h
0 h
practice20 h0 h
laboratory work
6 h0 h
consultation0 h
20 h
public presentation (oral)
2 h
0 h
preparation for exam50 h
80 h
preparation of presentation10 h0 h
elaboration of reports
14 h
0 h
writing of seminar paper
10 h
40 h
140 h
140 h
Assessment methods:
- attendance on exercises: max. 2 absence
- protocols of exercises: 5 protocols, 0-4 points, min. 10 points + all protocols have to be submitted for review
- presentation: 0-5 points, min. 2 points
- examples: 2 examples, 0-4 points + 0-6 points, min. in total 4 points

- e-test: 50 questions, 0-1 point, min. 30 points
Assessment criteria ratio:
Requirement type
Daily attendance
Combined form
0 %
0 %
Recomended reading and other learning resources:
GANDELOVÁ, L. -- HORÁČEK, P. -- ŠLEZINGEROVÁ, J. Nauka o dřevě. 1st ed. Brno: Mendelova zemědělská a lesnická univerzita, 1996. 176 p. ISBN 80-7157-194-6.
POŽGAJ, A. -- CHOVANEC, D. -- KURJATKO, S. -- BABIAK, M. Štruktúra a vlastnosti dreva. 1st ed. Bratislava: Príroda, 1993. 485 p. ISBN 80-07-00600-1.
HORÁČEK, P. Fyzikální a mechanické vlastnosti dřeva I. 1st ed. Brno: Mendelova zemědělská a lesnická univerzita v Brně, 1998. 124 p. ISBN 80-7157-347-7.

BODIG, J. -- JAYNE, B A. Mechanics of Wood and Wood Composites. Malabar: Krieger Publish.Comp., 1993. 21 p. ISBN 0-89464-777-6.
FOREST PRODUCT, L. Wood handbook—Wood as an engineering material. Washington: U.S. Department of Agriculture, Forest Service, Forest Products Laboratory, 1999. 463 p.
TSOUMIS, G T. Science and Technology of Wood : Structure, Properties, Utilization. New York: Chapman & Hall, 1991. 13 p. ISBN 0-412-07851-1.
HEARMON, R. Úvod do teorie pružnosti anizotropních látek. Praha: SNTL, 1965. 139 p.

Course listed in study plans for this semester:
Field of study B-FUR-FDM Furniture Design and Manufacture, full-time form, initial period WS 2018/2019
Field of study B-WI-WI Wood Technology and Timber Management, full-time form, initial period WS 2018/2019
Field of study B-TIMS-TIMS Timber Structures and Wood Building Construction, full-time form, initial period WS 2018/2019
Field of study B-WI-WI Wood Technology and Timber Management, part-time form, initial period WS 2018/2019
Course listed in previous semesters: SS 2018/2019, SS 2017/2018, SS 2016/2017, SS 2015/2016, SS 2014/2015, SS 2013/2014 (and older)
Teaching place:

Last modification made by Ing. Alice Malá on 02/03/2020.

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