Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/66227
Title: Ground-based interferometric radar for dynamic deformation monitoring of the Ting Kau Bridge in Hong Kong
Authors: Zhang, B
Ding, X
Jiang, M
Zhang, B
Wu, S
Liang, H
Keywords: Dynamic deformation monitoring
Gamma portable radar interferometer
Structural health monitoring
Ting Kau Bridge
Issue Date: 2016
Publisher: Institute of Electrical and Electronics Engineers Inc.
Source: International Geoscience and Remote Sensing Symposium (IGARSS), 2016, v. 2016-November, 7730794, p. 6875-6878 How to cite?
Abstract: Ground based interferometric radar (GBIR) is a revolutionary advanced measurement technique for geoscience and engineering geodesy. It is powerful for temporally and spatially dense measurements of highly dynamic target with sub-millimetric accuracy, especially in man-made structures, e.g. buildings, towers, dams and bridges. In this case study, we use a real aperture radar system, the Gamma Portable Radar Interferometer (GPRI-II), to perform near-real-time deformation monitoring of the deck (back side) of a cable-stayed bridge. As a test site, the Ting Kau Bridge at Tsuen Wan, Hong Kong, was continuously measured from two modes of observation, rotated azimuth scanning (RAS) and fixed azimuth scanning (FAS). The results reveal the wind-driven and vehicle-driven non-uniform oscillation of the bridge. The presented works demonstrate the ability of GPRI-II in bridge deformation or oscillation monitoring, which provide a new way for structural health monitoring of bridge.
Description: 36th IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2016, Beijing, China, 10-15 July 2016
URI: http://hdl.handle.net/10397/66227
ISBN: 9781509033324
DOI: 10.1109/IGARSS.2016.7730794
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