Properties of Biomaterials I

Numbering Code U-AGR05 2E151 LJ80 Year/Term 2021 ・ Second semester
Number of Credits 2 Course Type Lecture
Target Year 2nd year students Target Student
Language Japanese Day/Period Tue.2
Instructor name NAKAMURA MASASHI (Institute for Liberal Arts and Sciences Professor)
MURATA KOUJI (Graduate School of Agriculture Associate Professor)
YANASE YOSHIYUKI (Graduate School of Agriculture Associate Professor)
SAWADA YUTAKA (Graduate School of Agriculture Assistant Professor)
Outline and Purpose of the Course Wood is the most important bio-derived material, constituting the last of human beings' three basic needs: "food, clothing, and shelter." To make the best use of this precious forest resource, it is essential to understand the properties inherent in wood and the functions required of it as a material.
This course focuses on the physical properties of wood and what you should understand when using it as a material.
Course Goals ・Wood is commonly used as a structural and interior material in buildings and daily necessities such as furniture and fixtures. This course provides an understanding of the background of this common material.
・Some of the topics covered in particular are wood and water, wood strength, wooden buildings, and nondestructive testing of wood. There are many parts relating to experiments and practical training in the advanced grade, and it equips students with the ability to consider experimental results thoroughly.
Schedule and Contents Day 1: Wood and water I: Moisture in wood (Nakamura)
Day 2: Wood and water II: Swelling / shrinking of wood (Nakamura)
Day 3: Wood and water III: Wood drying theories (Nakamura)
Day 4: Wood and water IV: Wood drying schedule (Nakamura)
Day 5: Wood deformation and strength I: Bending moment (Murata)
Day 6: Wood deformation and strength II: Moment of inertia of area (Murata)
Day 7: Wood deformation and strength III: Derivation of beam deflection equation (Murata)
Day 8: Wood deformation and strength IV: Composite beam (Murata)
Day 9: Wood and construction I: Structural stability and allowable stress (Nakamura)
Day 10: Wood and construction II: Bearing wall and calculation of wall length ratio (Nakamura)
Day 11: Non-destructive evaluation of wood properties I: Material evaluation using vibration characteristics of wood I (Yanase)
Day 12: Non-destructive evaluation of wood properties II: Material evaluation using vibration characteristics of wood II (Yanase)
Day 13: Non-destructive evaluation of wood properties III: Material evaluation using vibration characteristics of wood II (Yanase)
Day 14: Non-destructive evaluation of wood properties IV: Application areas (Yanase)
Day 15: Feedback
Final examination
Evaluation Methods and Policy [Evaluation method]
Based on report (20% weightage) and exam (80% weightage).
[Evaluation criteria]
The evaluation criteria and achievement level are in accordance with the "Evaluation Criteria and Achievement Level" described in the Student Handbook of the Faculty of Agriculture for the relevant year.
Course Requirements Nothing in particular
Study outside of Class (preparation and review) Report-writing homework will be given from irregularly, so please complete them promptly.
Textbooks Textbooks/References Apart from this, materials will be handed out during the lectures.
References, etc. 日本木材学会編 『木質の物理』 (文永堂出版) ISBN:9784830041112, 石丸・古田・杉山編 『木材の物理』 (海青社) ISBN:9784860992392
PAGE TOP