Long-Term Performance Monitoring of Hardwood Timber Bridges in Pennsylvania: Fid-Bau Portal

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Long-Term Performance Monitoring of Hardwood Timber Bridges in Pennsylvania

J. P. Wacker / C. Calil / L. E. Hislop / P. D. Hilbrich Lee / J. A. Kainz

Several hardwood bridges were constructed in Pennsylvania during the early 1990s. This report summarizes the long-term field performance of seven stress-laminated deck bridges over a 4-year period beginning August 1997 and ending July 2001. Data collected include lumber moisture content, static load test deflection measurements, and bridge condition assessments. In addition, stressing bar force, temperature, and relative humidity conditions were monitored several times per day by a remote data acquisition system installed at each bridge site. Superstructure lamination moisture content ranged between 20% and 40% after nearly 10 years of service.

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Long-Term Performance Monitoring of Hardwood Timber Bridges in Pennsylvania

J. P. Wacker / C. Calil / L. E. Hislop / P. D. Hilbrich Lee / J. A. Kainz

Several hardwood bridges were constructed in Pennsylvania during the early 1990s. This report summarizes the long-term field performance of seven stress-laminated deck bridges over a 4-year period beginning August 1997 and ending July 2001. Data collected include lumber moisture content, static load test deflection measurements, and bridge condition assessments. In addition, stressing bar force, temperature, and relative humidity conditions were monitored several times per day by a remote data acquisition system installed at each bridge site. Superstructure lamination moisture content ranged between 20% and 40% after nearly 10 years of service.

Long-Term Performance Monitoring of Hardwood Timber Bridges in Pennsylvania

J. P. Wacker / C. Calil / L. E. Hislop / P. D. Hilbrich Lee / J. A. Kainz

Several hardwood bridges were constructed in Pennsylvania during the early 1990s. This report summarizes the long-term field performance of seven stress-laminated deck bridges over a 4-year period beginning August 1997 and ending July 2001. Data collected include lumber moisture content, static load test deflection measurements, and bridge condition assessments. In addition, stressing bar force, temperature, and relative humidity conditions were monitored several times per day by a remote data acquisition system installed at each bridge site. Superstructure lamination moisture content ranged between 20% and 40% after nearly 10 years of service.

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Titel:

Long-Term Performance Monitoring of Hardwood Timber Bridges in Pennsylvania

Beteiligte:

J. P. Wacker (Autor:in) / C. Calil (Autor:in) / L. E. Hislop (Autor:in) / P. D. Hilbrich Lee (Autor:in) / J. A. Kainz (Autor:in)

Erscheinungsdatum:

2004

Format / Umfang:

64 pages

Medientyp:

Report

Format:

Keine Angabe

Sprache:

Englisch

Schlagwörter:

Highway Engineering , Wooden bridges , Bridges(Structures) , Moisture content , Static loads , Condition assessments , Stressing bar force , Temperature , Relative humidity , Data collection , Timber , Highway bridges , Red Oak , Beach , Hardwood , Stress-laminated deck bridges

Ähnliche Titel

Pennsylvania Hardwood Timber Bridges: Field Performance after Ten Years

Wacker, J. / Carlil, C. / American Society for Nondestructive Testing | British Library Conference Proceedings | 2004

Pennsylvania hardwood timber bridges. Field performance after 10 years

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Hardwood Glued Laminated Timber Bridges

Manbeck, H. B. / Janowiak, J. J. / Blankenhorn, P. R. et al. | British Library Online Contents | 1993

Hardwood Glued-Laminated Timber Bridges

Manbeck, H. B. / Janowiak, J. J. / Blankenhorn, P. R. et al. | British Library Conference Proceedings | 1997

Monitoring the Performance of Timber Bridges Over the Long Term

J. P. Wacker / M. R. Joyal / J. F. Murphy et al. | NTIS | 2010