Advanced GNSS technology of mining deformation monitoring
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Abstract:
Innovation of the mining deformation monitoring technology has been aroused with the development of GNSS technology. This paper probe into the feature of mine Continuously Operating Reference Station (CORS) and precise height difference model was constructed in Yanzhou and inner Mongolia to practise the technology. Based on the technology of mining CORS, we proposed the mining 3D deformation monitoring technology of large area. Based on the technology of RTK, we proposed the mining subsidence monitoring technology of small area. Based on the construction of the model of height difference, GNSS-RTK technology was proposed to be used in subsidence monitoring. This paper provides specific ways to the modernization GNSS monitoring technology in mining deformation.Keywords:
Deformation monitoring
Positioning technology
GPS technology has the characteristics of high precision, high sampling, real-time, and simultaneous determination of three-dimensional coordinates of points, which can not be compared with other monitoring technologies. It plays a very important role in deformation monitoring. Starting from the composition of GPS positioning system, this paper expounds the three components of GPS positioning system, as well as the association and coordination between each component of the work; then the GPS deformation monitoring mode and several error sources in the monitoring process are introduced. The advantages and disadvantages of GPS technique in deformation monitoring are analyzed and its application trend is predicted. GPS positioning technology is applied in all aspects of our life, creating a lot of social and economic value for us.
Deformation monitoring
Positioning technology
Component (thermodynamics)
Mode (computer interface)
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Global Navigation Satellite Systems (GNSS) are recently used in deformation monitoring aplications, e.g., estimating infrastructure and motion of crustal plate. The new improvement of GNSS instruments which allow high-precision with 24 hours availability data processing. Deformation measurement techniques were considered and mostly used by geodesy specialist will be reviewed. The need of doing the deformation measurements periodically in engineering structures will be emphasised. In this research, monitoring displacement on a dam structure were conducted using GNSS survey and terestrial survey base on Total Station and Waterpass. Analyses will be carried out with the focus of assessing the position precision that can be acquired using GNSS and terrestrial survey. This paper also emphasize the role of GNSS and terestrial application in deformation especially for dam monitoring.
Deformation monitoring
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Three gorges
Yangtze river
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The research of "3S" integration of the deformation monitoring system, is one of the important development trend of the deformation monitoring technology. This text analyzed the key technology of the application of GPS/GIS integration, realized the effective integration of the mass of datas of GPS and GIS technology, and to establish the GPS/GIS integration of deformation monitoring system provides important technical support.
Deformation monitoring
System Integration
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The development of GPS technology has provided a simple and reliable way of landslide deformation monitoring.Combining the practice of Xinjian landslide deformation monitoring which using GPS technology in Ahai reservoir area,the authors introduce the entire process of GPS deformation monitoring in mountainous area with complex terrain where survey condition is harsh.The main content of this paper includes the choice of GPS monitoring point,the design of monitoring network,field survey,data processing and deformation analysis etc.The results indicate that GPS deformation monitoring can reach an accuracy of millimeter scale,and this method is better than the traditional one in the aspects of precision,speed,efficiency and benefit,fully meets the requirements of high-precision deformation monitoring.
Deformation monitoring
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GPS technology plays more and more important role which traditional measurement cannot match with in the deformation monitoring with virtues of continuity, real-time and high automation, and so on. This paper summarizes the means of GPS technology monitoring, data processing and software development, and analyzes actuality, virtue and development tendency of GPS technology in the deformation monitoring. In the end, this paper puts forward GPS monitoring technology of one-machine and multi-antenna and points out that the application of GPS will have a good prospect in the deformation monitoring.
Deformation monitoring
Positioning technology
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The reasons and the monitoring methods of the high-rising buiding's deformation are analyzed.The GPS multi-antenna technology aimed to the high cost of the large-scale GPS deformation monitoring project is studied.With this technique,one GPS receiver can monitor multipoints.The software of GPS multi-antenna data acquisition and control system(GMS) using the Visual C++ 6.0 based on PC104 is designed.The experiments indicate that GMS has almost no influence on the measurement accuracy of GPS and can be used to monitor the deformation of the high-rising buildings effectively.
Deformation monitoring
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The use of GPS is mainly focused on the slope deformation monitoring for highway safety monitoring, both at home and abroad; but, the research about GPS monitoring data for concealed works, such as tunnels, is little. Because of its advantages, it is a trend that GPS monitoring technique will be used for tunnel deformation monitoring. This paper uses the GPS monitoring technique to monitor the deformation of DA Shan-Po Tunnel in real time, and verifies the feasibility of the GPS monitoring technique used in the DA Shan-Po Tunnel through data processing and analyzing. We hope that the study will provide reference for similar projects.
Deformation monitoring
Safety Monitoring
Data Processing
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The paper summarizes the feasibility,the application actuality,development tendency,characteristic and busywork mode of application of GPS technology in the deformation monitoring.In the end,it also introduce GPS deformation monitoring of the automation system and one-machine and multi-antenna,thereby economize the resources of manpower and material resource by a long way,and point out that the application of GPS will have a good prospect in the deformation monitoring.
Deformation monitoring
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