A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns
The objective of this task was to collect and review information on the current state-of-the-art for seismically upgrading vulnerable concrete bridge columns. Over 200 (national and international) references were collected. A questionnaire was developed and disseminated to obtain information on the column retrofitting activities of the various states (and Canadian provinces). The survey had a response rate of over 77%. The majority of published information is one the two most commonly used column retrofit techniques; steel jacketing and composite fiber jacketing. Several other techniques such as infilled walls in multi-column piers, external prestressing using high strength bars, and internal column strengthening, among others, were examined. An evaluation technique for assessing the relative merits of dissimilar was developed. Included in this technique are the following four parameters: structural performance, cost, environmental performance, and design process. To date, there is insufficient data available to use the technique developed. Areas requiring further investigation have been presented in the final chapter of the report.
Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns
The objective of this task was to collect and review information on the current state-of-the-art for seismically upgrading vulnerable concrete bridge columns. Over 200 (national and international) references were collected. A questionnaire was developed and disseminated to obtain information on the column retrofitting activities of the various states (and Canadian provinces). The survey had a response rate of over 77%. The majority of published information is one the two most commonly used column retrofit techniques; steel jacketing and composite fiber jacketing. Several other techniques such as infilled walls in multi-column piers, external prestressing using high strength bars, and internal column strengthening, among others, were examined. An evaluation technique for assessing the relative merits of dissimilar was developed. Included in this technique are the following four parameters: structural performance, cost, environmental performance, and design process. To date, there is insufficient data available to use the technique developed. Areas requiring further investigation have been presented in the final chapter of the report.
Evaluation of Seismic Retrofit Methods for Reinforced Concrete Bridge Columns
T. J. Wipf (author) / F. W. Klaiber (author) / F. M. Russo (author)
1997
228 pages
Report
No indication
English
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