Abstract
With the convenience to add or replace sensors, to maintain and extend, a new solution of wireless sensor network based bridge health monitoring system for long-span bridges was proposed, which includes advanced and low power-consumption sensors, wide-range short-distance wireless communication module, high-speed long-distance wireless communication module, efficient and practical management software. 433 MHz industrial wireless module was selected for short-distance wireless communication among nodes and between nodes and gateways. 3G WCDMA was chosen for long-distance wireless communication between gateways and the control centers. Whole process controlled management software was specially developed.
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