표제지
목차
Abstract 6
I. 서론 15
II. 기초 이론 및 연구지역 17
2.1. 산사태 발생 메커니즘 17
2.2. 연구지역 및 지질 20
2.2.1. 상주지역 20
2.2.2. 장수지역 22
III. 모형시험장치 24
3.1. 산사태 모형시험장치 24
IV. 통계분석 이론 29
4.1. 단변량 통계분석 31
4.1.1. x-MR 관리도 31
4.2. 다변량 통계분석 35
4.2.1. T² 관리도 36
V. 분석 결과 및 해석 38
5.1. 모형시험시 파괴유형의 분류 38
5.1.1. 모형시험 모델 38
5.1.2. 파괴유형에 따른 모델 분류 40
5.2. 단변량 통계분석 결과 50
5.2.1. 화강암 풍화토 50
5.2.2. 편마암 풍화토 67
5.2.3. 파괴유형별 예측시간 분석 79
5.3. 다변량 통계분석 결과 87
5.3.1. 화강암 풍화토 87
5.3.2. 편마암 풍화토 90
5.3.3. 단·다변량 예측시간 비교분석 93
VI. 결론 94
참고문헌 96
Table 2.1. Factors of landslide occurrence 18
Table 5.1. Conditions of the flume test for granitic and gneissic weathered soils. 38
Table 5.2. Physical properties of the granitic and gneissic weathered soils. 39
Table 5.3. Glossary for forming names of landslides 42
Table 5.4. Control limit lines classified by positions and properties for x-MR control chart. 80
Table 5.5. Time differences between slope failure time and dispersion time on x-MR control chart. 81
Figure 2.1. Slope stability in relation to the shear stress and strength 19
Figure 2.2. Geologic map and sampling site of granitic weathered soil of Sangju area 21
Figure 2.3. Geologic map and sampling site of gneissic weathered soil of Jangsu area 23
Figure 3.1. Configuration of the flume test equipment (a side view). 26
Figure 3.2. Configuration of the flume test equipment (a plane view). 27
Figure 3.3. Configuration of the flume test equipment (a front view). 27
Figure 3.4. Photographs of the flume test equipment. 28
Figure 3.5. Setting of measurement instruments for the flume test. 28
Figure 4.1. Flow chart showing a process from monitoring data acquisition to... 30
Figure 4.2. A sequence of x-MR control chart drawing to calculate moving range... 32
Figure 4.3. A design of control limit for x-MR control chart 34
Figure 4.4. The characteristics of the univariate statistical analysis and... 36
Figure 5.1. Particle size distribution curves by the sieve analysis. 40
Figure 5.2. Typical slope failure types shown in granitic and gneissic weathered soils. 41
Figure 5.3. Displacement of landslide in different states of activity 43
Figure 5.4. Sections through landslides showing different distributions of activity:... 43
Figure 5.5. Sections through landslides showing different styles of activity 44
Figure 5.6. Photograph of granitic weathered soil showing failure type of active... 45
Figure 5.7. Photograph of granitic weathered soils showing failure type of active... 46
Figure 5.8. Photograph of granitic weathered soils showing failure type of active... 47
Figure 5.9. Photograph of granitic weathered soils showing failure type of active... 48
Figure 5.10. Photograph of granitic weathered soils showing failure type of active... 49
Figure 5.11. Change of water content and Pore pressure with time during flume... 51
Figure 5.12. Results of x-MR control chart analysis for GR-1. 52
Figure 5.13. Change of water content and Pore pressure with time during flume... 53
Figure 5.14. Results of x-MR control chart analysis for GR-2. 54
Figure 5.15. Change of water content and pore pressure with time during flume... 55
Figure 5.16. Results of x-MR control chart analysis for GR-3. 56
Figure 5.17. Change of water content and pore pressure with time during flume... 57
Figure 5.18. Results of x-MR control chart analysis for GR-4. 58
Figure 5.19. Change of water content and pore pressure with time during flume... 59
Figure 5.20. Results of x-MR control chart analysis for GR-5. 60
Figure 5.21. Change of water content and pore pressure with time during flume... 61
Figure 5.22. Results of x-MR control chart analysis for GR-6. 62
Figure 5.23. Change of water content and pore pressure with time during flume... 63
Figure 5.24. Results of x-MR control chart analysis for GR-7. 64
Figure 5.25. Change of water content and pore pressure with time during flume... 65
Figure 5.26. Results of x-MR control chart analysis for GR-8. 66
Figure 5.27. Change of water content and pore pressure with time during flume... 67
Figure 5.28. Results of x-MR control chart analysis for GN-1. 68
Figure 5.29. Change of water content and pore pressure with time during flume... 69
Figure 5.30. Results of x-MR control chart analysis for GN-2. 70
Figure 5.31. Change of water content and pore pressure with time during flume... 71
Figure 5.32. Results of x-MR control chart analysis for GN-3. 72
Figure 5.33. Change of water content and pore pressure with time during flume... 73
Figure 5.34. Results of x-MR control chart analysis for GN-4. 74
Figure 5.35. Change of water content and pore pressure with time during flume... 75
Figure 5.36. Results of x-MR control chart analysis for GN-5. 76
Figure 5.37. Change of water content and pore pressure with time during flume... 77
Figure 5.38. Results of x-MR control chart analysis for GN-6. 78
Figure 5.39. Comparison of prediction time prior to failure with failure types. 82
Figure 5.40. Comparison of prediction time prior to failure with distribution of activity. 83
Figure 5.41. Comparison of prediction time with sensor position for retrogressive... 85
Figure 5.42. Comparison of prediction time with sensor position for advancing... 85
Figure 5.43. Comparision of prediction time with sensor position for enlarging... 85
Figure 5.44. Comparison of prediction time for style of activity in flume test. 86
Figure 5.45. The results of T²-statistic with time using monitoring data at 3 positions and by 2 types of sensor for granitic weathered soil 88
Figure 5.46. The results of T²-statistic with time using monitoring data at 3 positions and by 2 types of sensor for the gneissic... 91
Figure 5.47. Comparison of prediction time for univariate (□, △, ▽, ◇, ○)... 93