Abstract
The displacement is an important indicator of safety evaluation for highway slope. The highest measurement accuracy of global positioning system (GPS) achieves millimeter, and the sampling frequency can reach 20Hz. The displacement can be solved real-time, and the GPS measuring receiver adapts to the complex and harsh working environment. The paper summarizes the current technology level of GPS application in highway slope monitoring and introduces a low-cost monitoring technology that one receiver assemble multi-antenna to measure several points’ displacement. Based on the application of GPS technology using in highway slope safety monitoring system, this paper set the FuYin Highway as the engineering project and demonstrate how to apple the GPS technology in displacement monitoring and security evaluation.
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