Column Design: Post-Tensioned Box Girder Bridge Time Dependent Effect

Purpose of the Training
- Understanding the time dependent phenomena including concrete relaxation
- Identifying time dependent effects in box girder bridges
- Performing finite element analyses of box girder bridges
- Utilizing detailed analysis results in design practice
- Estimating column design forces using simple models

Presentation Slides

Presentation Outline
- Outline of the problem
- Time dependent effects of concrete and prestressing steel
- Concrete relaxation test
- Modelling of post-tensioned box girder bridges in MIDAS
- Results and discussion
- Recommendations