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Ambient Vibration Tests of Two Prestressed Reinforced Concrete Highway Overpasses
https://orcid.org/http://orcid.org/0000-0002-8160-9904
https://orcid.org/http://orcid.org/0000-0001-9326-802X
https://orcid.org/http://orcid.org/0000-0003-2126-9300
https://orcid.org/http://orcid.org/0000-0002-4222-0015
https://orcid.org/http://orcid.org/0000-0002-4131-7683
https://orcid.org/http://orcid.org/0000-0002-4556-5043
https://orcid.org/http://orcid.org/0000-0002-2681-696X
https://orcid.org/http://orcid.org/0000-0003-4833-9110
The safety assessment and monitoring of existing bridges is an important issue, on which researchers, engineers and institutions are working to find the best investigation strategies, optimizing the limited resources available. Ambient vibration test can be combined with other traditional tests, such as static load tests, to obtain more information about structural features and identify any deterioration phenomena. In this study, two prestressed reinforced concrete bridge are investigated both with static load test and with ambient vibration test. Objective of the tests was to determine, for each of the two bridges, vibration frequencies, mode shapes and damping-ratios. A preliminary FE model was update using both experimental modal characteristics and displacement values obtained from static load test, to estimate the stiffness of the decks and compare it with the theoretical one.
Ambient Vibration Tests of Two Prestressed Reinforced Concrete Highway Overpasses
https://orcid.org/http://orcid.org/0000-0002-8160-9904
https://orcid.org/http://orcid.org/0000-0001-9326-802X
https://orcid.org/http://orcid.org/0000-0003-2126-9300
https://orcid.org/http://orcid.org/0000-0002-4222-0015
https://orcid.org/http://orcid.org/0000-0002-4131-7683
https://orcid.org/http://orcid.org/0000-0002-4556-5043
https://orcid.org/http://orcid.org/0000-0002-2681-696X
https://orcid.org/http://orcid.org/0000-0003-4833-9110
The safety assessment and monitoring of existing bridges is an important issue, on which researchers, engineers and institutions are working to find the best investigation strategies, optimizing the limited resources available. Ambient vibration test can be combined with other traditional tests, such as static load tests, to obtain more information about structural features and identify any deterioration phenomena. In this study, two prestressed reinforced concrete bridge are investigated both with static load test and with ambient vibration test. Objective of the tests was to determine, for each of the two bridges, vibration frequencies, mode shapes and damping-ratios. A preliminary FE model was update using both experimental modal characteristics and displacement values obtained from static load test, to estimate the stiffness of the decks and compare it with the theoretical one.
Ambient Vibration Tests of Two Prestressed Reinforced Concrete Highway Overpasses
https://orcid.org/http://orcid.org/0000-0002-8160-9904
https://orcid.org/http://orcid.org/0000-0001-9326-802X
https://orcid.org/http://orcid.org/0000-0003-2126-9300
https://orcid.org/http://orcid.org/0000-0002-4222-0015
https://orcid.org/http://orcid.org/0000-0002-4131-7683
https://orcid.org/http://orcid.org/0000-0002-4556-5043
https://orcid.org/http://orcid.org/0000-0002-2681-696X
https://orcid.org/http://orcid.org/0000-0003-4833-9110
The safety assessment and monitoring of existing bridges is an important issue, on which researchers, engineers and institutions are working to find the best investigation strategies, optimizing the limited resources available. Ambient vibration test can be combined with other traditional tests, such as static load tests, to obtain more information about structural features and identify any deterioration phenomena. In this study, two prestressed reinforced concrete bridge are investigated both with static load test and with ambient vibration test. Objective of the tests was to determine, for each of the two bridges, vibration frequencies, mode shapes and damping-ratios. A preliminary FE model was update using both experimental modal characteristics and displacement values obtained from static load test, to estimate the stiffness of the decks and compare it with the theoretical one.
Ambient Vibration Tests of Two Prestressed Reinforced Concrete Highway Overpasses
Lecture Notes in Civil Engineering
Pellegrino, Carlo (editor) / Faleschini, Flora (editor) / Zanini, Mariano Angelo (editor) / Matos, José C. (editor) / Casas, Joan R. (editor) / Strauss, Alfred (editor) / Pellegrino, Carlo (author) / Zanini, Mariano Angelo (author) / Faleschini, Flora (author) / Andreose, Filippo (author)
International Conference of the European Association on Quality Control of Bridges and Structures ; 2021 ; Padua, Italy
2021-12-12
11 pages
Article/Chapter (Book)
Electronic Resource
English
Structural health monitoring , Ambient vibration test , Static load test , Mode shapes , OMA , Structural safety Engineering , Building Construction and Design , Engineering Economics, Organization, Logistics, Marketing , Risk Management , Fire Science, Hazard Control, Building Safety , Building Materials
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