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Volume 31, Issue 1
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[in Japanese]2005 Volume 31 Issue 1 Pages 3-11
Published: January 25, 2005
Released on J-STAGE: May 22, 2009
JOURNAL FREE ACCESSDownload PDF (657K) -
an investigation of the ultrasonic propagation methodHideo KATO, Kentaro SUZUKI, Hirofumi NAGAO, Hirofumi IDO2005 Volume 31 Issue 1 Pages 12-19
Published: January 25, 2005
Released on J-STAGE: May 22, 2009
JOURNAL FREE ACCESSUltrasonic propagation velocity across wood fiber direction was measured in wooden bridges in order to investigate the possibility of nondestructive deterioration diagnosis of wooden bridges. The measurements were carried out for three different types of wooden bridges. The periodical measurement was also made for one of them to investigate its secular change. The results were:
(1) The histograms of ultrasonic propagation velocity could show the total deterioration states ofthe wooden bridges. The histograms reflect the deterioration of three different types of wooden bridges.
(2) Cumulative probability curves of ultrasonic propagation velocity were effective to monitor time-dependent change of the deterioration of wooden bridge.View full abstractDownload PDF (1611K) -
[in Japanese], [in Japanese]2005 Volume 31 Issue 1 Pages 20-23
Published: January 25, 2005
Released on J-STAGE: May 22, 2009
JOURNAL FREE ACCESSDownload PDF (243K) -
[in Japanese]2005 Volume 31 Issue 1 Pages 24-28
Published: January 25, 2005
Released on J-STAGE: May 22, 2009
JOURNAL FREE ACCESSDownload PDF (2076K) -
[in Japanese]2005 Volume 31 Issue 1 Pages 29-32
Published: January 25, 2005
Released on J-STAGE: May 22, 2009
JOURNAL FREE ACCESSDownload PDF (4320K)
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