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2017-04-06 发布于江苏
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with GPS RTK technology bridges including the Shandong Yellow River Bridge and the.pdf

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with GPS RTK technology bridges including the Shandong Yellow River Bridge and the

In recent years, GPS RTK technology has being used by more and more bridge operation and management facilities in dynamic bridge displacement monitoring. Also GPS is playing an increasingly important role in high precision positioning projects, such as structural health status and ground motion monitoring. In 1999, the worlds first GPS- based bridge monitoring project was deployed by Leica Geosystems on the Tsing Ma Bridge, Hong Kong. After that, Leica Geosystems software and hardware have been deployed to monitor bridge structural health of numerous bridges including the Shandong Yellow River Bridge and the Jiangyin Bridge, earning Leica Geosystems a high regard in this field. At the beginning of 2005, Leica Geosystems released Leica Spider 2.0, a new generation GPS reference station software based on the master-auxiliary centralized network RTK concept. This system has been scrutinized and installed widely around the world. Compared with the traditional real time RTK monitoring solutions, this technology is far superior. Company Jiangyin Yangtze River Highway Bridge Administration - PRC CHINA Challenge to provide a cost effective and innovative solution for delivering 3D positioning information at 20 Hz from 8 GPS Monitoring stations to an advanced analysis application software developped by the engineering company in charge of the whole structural monitoring project. Date installation finalized on March 2005 Project Summary Instruments Leica GPS GRX1200 Classic Reference Station, Leica GPS AX1202 Geodetic Antenna, Leica GPS AT504 choke ring antenna Software Leica GPS Spider v2.0 software including positioning option Field Design of the GPS monitoring network, installation of the GPS stations including monuments, accessories and cabling. Measurement of control points to define a local transformation from WGS84 to the bridge coordinate system. Office: Installation of Leica GPS Spider software, connection to the communication network, con-figuratio