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http://dx.doi.org/10.5392/JKCA.2016.16.01.362

A Study on the Application Technique of Realtime Bridge Monitoring System based on GNSS  

Yeon, Sang-Ho (세명대학교 토목공학과)
Publication Information
The Journal of the Korea Contents Association / v.16, no.1, 2016 , pp. 362-369 More about this Journal
Abstract
Recently, Last to check the security status of various medium and large bridge structures using various kinds of measurement equipment, but most of the methods are used to measure and check the displacement behavior of the bridge by a certain period. In this study, receive GPS satellite signals that can be observed in real time the whole region, a bridge to automatically measure the displacement and behavior characteristics of the structure in real-time in mm over the 24 hours, the measurement information and transmits the data to the wireless network, by making use, it was applied to the real-time monitoring system in connection with a bridge to be able to automatically notify GNSS fine displacement behavior. In fact, analysis and receives the measurement data to GNSS provided in the upper bridge of the middle and large-sized aging for this purpose, measuring USN and at the same time is converted into a three-dimensional position information of a test study was conducted to monitor the bridge displacement in real time. As a result, a vertical displacement of about 0.027~0.037m at the measurement time of day of the measurement point is that the repeated and confirmed.
Keywords
Bridge Structures; GPS; GNSS; Displacement USN; USN;
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