- Lecturer
- Miki Chitoshi
- Place
- Tue7-8(M5 Meeting room) Thr7-8(M5 Meeting room)
- Credits
- Lecture2 Exercise0 Experiment0
- Code
- 61005
- Syllabus updated
- 2008/1/15
- Lecture notes updated
- 2008/1/15
- Access Index
-
- Semester
- Fall Semester / Recommended semester:-
Outline of lecture
NOTE:
This OCW course is incomplete now.
Materials will be released by lecture.
Current State: Materials for Lecture #1 to #6, #8, #9, #11 and #12 are released. (#7 and #10 has no material)
Plan of lecture
1. Oct.25: Introduction to Fatigue and Fracture
What窶 fatigue and fracture
Case studies of retrofitting works
2. Oct.30: Fatigue Design of Steel Structures
Fatigue strengths of welded joints
Nominal-stress based fatigue design
3. Nov. 1: Local stress based fatigue design
Hot spot stress and effective notch stress
FEM analysis for local stress based fatigue design
4. Nov. 6: Fracture Mechanics
Fundamental concept of Fracture Mechanics
Stress intensity factor
5. Nov. 15: Fracture Toughness
How to evaluate fracture toughness
6. Nov. 20: Fatigue Crack Propagation Analysis by Applying Fracture Mechanics
Fatigue crack propagation law
Numerical simulation of fatigue propagation
7. Dec. 4: Engineering Application
Fitness for purpose design concept
Maintenance inspection for steel bridges
8. Dec. 11: Non-Destructive Evaluation
Evaluation of non-destructive inspection method for fatigue damage
Advanced ultrasonic technology
9. Dec. 18: Structural Response of Bridge Structures
Design stresses and actual stresses, stress reduction factor for fatigue design
Proof loading tests
10. Jan. 10: Field Stress Measurement for Fatigue Assessment
general stress and local stress
fatigue assessment
11. Jan.15: Retrofitting technology
Fatigue strength of repaired joints
Fatigue strength improving methods
12. Jan. 22: Case studies
