adaptability of Hillerborg fictitious crack model to timber

• Project/Area Number: 25820267
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Multi-year Fund
• Research Field: Building structures/Materials
• Research Institution: Kochi University
• Principal Investigator: NOGUCHI masahiro 高知大学, 自然科学系, 講師 (80420298)
• Project Period (FY): 2013-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000); Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2013: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
• Keywords: timber / fracture / ドリフトピン / Hillerborgの仮想クラックモデル / 木材 / 破壊力学 / 割裂

Outline of Final Research Achievements

This study describes the adaptability of Hillerborg fictitious crack model to timber. Using the regression line between the cumulative loss of the potential energy and the fictitious splitting length from the test data, the fracture process zone length was defined. And our data indicated the adaptability of Hillerborg fictitious crack model to timber.Moreover we make the mechanical model for the timber joint of drift pin. From the comparison of the test data and simulation estimated value, it makes clear taht our model was valid from the practices.