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Bridges in Hong Kong. The Wind and Structural Health Monitoring System is a sophisticated bridge monitoring system, costing US$1.3 million, used by the Hong Kong Highways Department to ensure road user comfort and safety of the Tsing Ma, Ting Kau, Kap Shui Mun and Stonecutters bridges. [10]
Since the late 1980s the structural health assessment and monitoring of bridges represented a critical topic in the field of civil infrastructure management. [6] In the 1990s, the Federal Highway Administration (FHWA) of the United States promoted and sponsored PONTIS and BRIDGEIT, two computerized platforms for viaduct inventory and monitoring named BMSs.
The project focuses on monitoring bridges, and aims to reduce the cost and installation effort of structural health monitoring equipment. [2] It was founded in 2002 by Professor Bill F. Spencer and Professor Gul Agha of the University of Illinois at Urbana–Champaign. [3]
Viridien Sercel Structural Monitoring solutions detect potential issues early on to provide structure integrity and public safety. [13] One of the known applications of Viridien infrastructure monitoring technology is in its work on the "Connected Bridges" project for a French public body.
The value of structural health information is the expected utility gain of a built environment system by information provided by structural health monitoring (SHM).The quantification of the value of structural health information is based on decision analysis adapted to built environment engineering.
A standard geodetic monitoring instrument in the Freeport open pit mine, Indonesia GNSS reference station antenna for structural monitoring of the Jiangying Bridge. Measuring devices (or sensors) can be sorted in two main groups: geodetic and geotechnical sensors. Both measuring devices can be seamlessly combined in modern deformation monitoring.
The technique has been applied to buildings, bridges, and many other type of structural systems. In the area of structural health monitoring the ERA and other modal identification techniques play an important role in developing a model of the structure from experimental data.
A structural health monitoring system was installed during construction on the bridge. [6] Still operating, it provides a 24/7 surveillance of the structure. The system has more than 100 sensors, including: [7] 3D accelerometers on the deck, pylons, stay cables, and on the ground to characterize wind movements and seismic tremors