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The Stability and Characteristic Analysis of Cut Slope Behavior using Real-time Monitoring System  

Baek, Yong (Korea Institute of Construction Technology, Dept. Geo-Technical Eng.)
Koo, Ho-Bon (Korea Institute of Construction Technology, Dept. Geo-Technical Eng.)
Jang, Ki-Tae (Kumoh National Institute of Technology, Dept. Civil Eng.)
Yoo, Byung-Sun (GMG Corporation)
Bae, Gyu-Jin (Korea Institute of Construction Technology, Dept. Geo-Technical Eng.)
Publication Information
The Journal of Engineering Geology / v.14, no.1, 2004 , pp. 71-80 More about this Journal
Abstract
The failure of cut slopes frequently occurs particularly during the thawing season and the rain season in summer. This study interpreted data collected from site to which a real-monitoring system was applied in order to analyze the causes of ground behaviors and to forecast future slope failure. As for research methods, this study analyzed the size and mechanism of failure by integrating the results of field surveys and measurements. Furthermore, it analyzed data transmitted by the monitoring system installed in the a result, three times of ground displacement occurred as well as a number of partial tension cracks. The cut slope composed of sandstone and siltstone started its initial behavior as a result of torrential downpour and the loss of support of the substructure. For quantitative analysis of the characteristics of ground behavior, this study measured 5 lateral lines. According to the result of the measurement, displacement happened little in the section to which countermeasure had been applied, but displacement of maximum 400mm happened in the section to which countermeasure had not bee applied. The analysis of data on displacement and rainfall suggested a close relationship between ground behavior and rainfall. According to the result of stability interpretation along with the change of ground saturation, stability rate appeared to be less than 1.0 when ground saturation is over 55%. Although the current trend of ground behavior is at a stable stage falling within the range of tolerance, it is considered necessary to continue monitoring and data analysis because ground displacement is highly possible with the change of temperature during the winter.
Keywords
cut slope; real-time monitoring system; extension meter; precipitation; countermeasures;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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