2008.4-2009.3 Yearbook of NILIM
Research Summary
Road Department
| Reference Number | Y080403 |
| Title | Investigation about the evolution system of performance and soundness of road structures Study on evolution technique for detecting degree of prestress of PC bridges |
| Start-End Date | 2006.4-2009.3 |
| Division | Bridge and Structures Division |
| Author | Head, Takashi Tamakoshi Senior Researcher, Akihiro takahashi Researcher, Shigeichi Kawama Researcher Engineer, Kensaku haruta |
| Summary | As for prestress of PC structure, it is essential to measure degree of prestress decrease which might affect soundness of the structure. Therefore, We analyzed elastic wave to propagate a different stress state, as a result It was able to detect the difference of the stress state. |