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Field Measurement and Load Testing of the Rama IX Cable-Stayed Bridge

 Field Measurement and Load Testing of the Rama IX Cable-Stayed Bridge
Author(s): , ,
Presented at IABSE Symposium: Long Span Bridges and Roofs - Development, Design and Implementation, Kolkata, India, 24-27 September 2013, published in , pp. 1-8
DOI: 10.2749/222137813808627190
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In this paper, field measurement and diagnostic load test carried out for the Rama IX Bridge, as part of bridge in-depth inspection and evaluation is presented. One of the main objectives of the in...
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Bibliographic Details

Author(s):


Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Long Span Bridges and Roofs - Development, Design and Implementation, Kolkata, India, 24-27 September 2013
Published in:
Page(s): 1-8 Total no. of pages: 8
Page(s): 1-8
Total no. of pages: 8
Year: 2013
DOI: 10.2749/222137813808627190
Abstract:

In this paper, field measurement and diagnostic load test carried out for the Rama IX Bridge, as part of bridge in-depth inspection and evaluation is presented. One of the main objectives of the investigation is to better understand the physical behaviors of the aging bridge employing field measurements and to reduce uncertainties, related to material properties, boundary conditions and stiffness contribution as well as any influence of damage and deterioration, in structural evaluation of the bridge structure. A modal analysis is adopted to determine modal properties of the cables, steel box girder, and pylons. A number of three-axle test trucks with predetermined loads are employed in the diagnostic load test. Cable frequencies and strains obtained under the applications of test trucks are presented. A wavelet analysis is adopted for decomposition of strains into static and dynamic components in determination of dynamic effects on structural responses.

Keywords:
cable-stayed bridges wavelet analysis field measurement spectral analysis diagnostic load testing ambient measurement

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