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The Penang Second Bridge in Penang, Malaysia has completed the implementation and it's monitoring the bridge element with 3,000 sensors. For the safety of bridge users and as protection of such an investment, the firm responsible for the bridge wanted a structural health monitoring system.
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 Illinois Structural Health Monitoring Project was founded in 2002 when Professor Bill F. Spencer, director of the Smart Structures Technology Laboratory, and Professor Gul Agha, director of the Open Systems Laboratory, began a collaborative effort between the two laboratories at the University of Illinois at Urbana–Champaign.
Along with the Ting Kau Bridge and Kap Shui Mun Bridge, the bridge is monitored by the Wind and Structural Health Monitoring System (WASHMS). Surveillance cameras are also installed on the bridge to record traffic conditions. The video is available at the government website. [19]
Bridge maintenance consisting of a combination of structural health monitoring and testing. This is regulated in country-specific engineer standards and includes an ongoing monitoring every three to six months, a simple test or inspection every two to three years and a major inspection every six to ten years.
The design and construction cost of the bridge was HK$1.94 billion. It is one of the longest cable-stayed bridges in the world. Along with the Tsing Ma and Kap Shui Mun bridges, it is closely monitored by the Wind and Structural Health Monitoring System (WASHMS). Ting Kau Bridge is the world's first major 4-span cable-stayed bridge.
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The pylons, road deck, masts, and cable stays are equipped with a multitude of sensors to enable structural health monitoring. These are designed to detect the slightest movement in the Viaduct, and measure its resistance to wear-and-tear over time.