›› 2010, Vol. 31 ›› Issue (11): 3683-3687.

• Testing Technology • Previous Articles     Next Articles

Development of real-time remote monitoring and forecasting system for geological disasters at subgrade slopes of mountainous highways and its application

WU Kai1，SHENG Qian1，ZHANG Yong-hui1，LI Zhi-yong2 ，LI Hong-xu 1，YUE Zhi-ping2   

  1. 1. State Key Laboratory of Geomechanics and Geotechnical Engineering, Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Wuhan 430071, China; 2. Hunan Communications Research Institute, Changsha 410015, China
  • Received:2009-10-14 Online:2010-11-10 Published:2010-11-24

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Abstract:

The slopes of mountainous highways are of such characteristics as dotted distribution, relatively large number but small scale, and easily affected by human activity and environment variation. According to these characteristics, an individual slope monitoring device system is established in this essay. The system mainly aims at displacement and rainfall monitoring, and is developed based on the GPRS technology. By integrating the trigger displacement meter, grid pluviometer, data acquisition and transmission unit, and solar power supply device, the system is proved to be economical, energy-saving and highly efficient. Based on Microsoft Visual C++ network technology and SQL Server 2005 data base，the software system of remote monitoring and forecasting for geological disasters is developed, which realizes the real-time remote receiving and visual management of monitoring data. Due to the variety of slope deformation and failure modes, the system also integrates several time forecast models to establish the slope deformation prediction model database. The monitoring and forecasting system has been successfully applied to Chang-Ji highway, and provided a guarantee for the highway safety in extremely bad weather.

Key words: slope engineering of highway, geological disaster, real-time automatic monitoring, remote monitoring and forecasting system

CLC Number: 

  • U 495
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