표제지
감사의 글
목차
Abstract 9
연구사 11
I. 서론 12
1. 연구배경 및 목적 12
2. 연구범위 및 동향 12
II. 침하관리 및 안정관리 방법 14
1. 일차원 압밀이론 14
1) 압밀의 원리 14
2) 압밀의 기본 방정식 14
2. 침하관리방법 16
1) 쌍곡선법 (Hyperbolic Method) 17
2) Hoshino 방법 (√t법)(이미지참조) 19
3) Asaoka 방법 (직선법) 21
4) √s 방법 (쌍곡선법 보완)(이미지참조) 24
3. 안정관리방법 25
1) Kurihara-Ichimoto 방법 25
2) Matsuo-Kawamura 방법 25
3) Tominaga- Hashimoto 방법 27
III. 현장특성 및 계측결과 29
1. 현장 특성 29
1) 현장 개요 29
2) 지반 특성 30
2. 연약지반 개량 공법 31
1) 실내시험 결과 31
2) 지반개량공법 34
3./4. 계측 결과 36
1) 계측기 설치 현황 36
2) 계측 결과 39
IV. 계측 결과 분석 46
1. 침하 관리 분석 46
1) 쌍곡선법 침하관리분석 46
2) Asaoka법 침하관리분석 48
3) √s 법 침하관리분석(이미지참조) 49
4) 침하관리분석 결과 51
2. 층별침하량 분석 54
3. 안정관리분석 57
1) 심도에 대한 수평변위량 분석 57
2) Kurihara-Ichimoto(△δ/△t-t 관리기준) 분석 61
3) Matsuo-Kawamura(S-δ 관리기준) 분석 63
4) Matsue-Kawamura(S-δ/S 관리기준) 분석 66
V. 결론 68
Reference 73
Table 1. The range of S-δ/s 26
Table 2. Physical characters 31
Table 3. Character of shear strength 32
Table 4. Character of consolidation 33
Table 5. △C/△p 33
Table 6. Method for ground improvement at 3 section 34
Table 7. Method for ground improvement at 5 section 35
Table 8. Method for ground improvement at 6 section 36
Table 9. Location of inclinometer 37
Table 10. Location of settlement plate 37
Table 11. Location of multi -layer meter 37
Table 12. Results of settlement plate 39
Table 13. Results of multi-layer meter 41
Table 14. Results of inclinometer 43
Table 15. Application of settlement analysis 46
Table 16. Results of hyperbolic method 47
Table 17. Results of Asaoka method 48
Table 18. Results of √s method(이미지참조) 50
Table 19. Estimation of final settlement 51
Table 20. Comparison of design and measurement of settlement 52
Table 21. Analysis of permissible settlement 52
Table 22. Analysis of multi-layer meter 54
Table 23. Lateral displacement by step load 58
Table 24. Z/H and maximum lateral displacement 61
Fig. 1. Time dependence of measured settlement 18
Fig. 2. The relation of t/(S₁-So) vs t(이미지참조) 18
Fig. 3. The relation of t/(S₁-So)² vs t(이미지참조) 20
Fig. 4. Relationship between the settlement and the rank time 23
Fig. 5. Method of determining the final settlement 23
Fig. 6. Kurihara-Ichimoto Method 25
Fig. 7. Matsuo -Kawamura method 27
Fig. 8. Tominaga- Hashimoto method 28
Fig. 9. Cross Section of a stratum 29
Fig. 10. Cross section for measurement 38
Fig. 11. The plan of project area (1) 38
Fig. 12. The plan of project area(2) 39
Fig. 13. Results of settlement plate at 3 section 40
Fig. 14. Results of settlement plate at 5 section 40
Fig. 15. Results of settlement plate at 6 section 41
Fig. 16. Results of multi-layer meter at 3 section 42
Fig. 17. Results of multi-layer meter at 5 section 42
Fig. 18. Results of multi-layer meter at 6 section 43
Fig. 19. Results of inclinometer at 3 section 44
Fig. 20. Results of inclinometer at 5 section 44
Fig. 21. Results of inclinometer at 6 section 45
Fig. 22. Hyperbolic method 48
Fig. 23. Asaoka method 49
Fig. 24. √s method(이미지참조) 51
Fig. 25. The final settlement by estimated method 53
Fig. 26. U(%) by estimated method 53
Fig. 27. Underground settlement at 3 section 55
Fig. 28. Underground settlement at 5 section 55
Fig. 29. Underground settlement at 6 section 56
Fig. 30. Relationship (Z/H) and (Ss/st ) 56
Fig. 31. Lateral displacement at each depth(3 section) 59
Fig. 32. Lateral displacement at each depth(5 section) 59
Fig. 33. Lateral displacement at each depth(6 section) 60
Fig. 34. The maximum lateral displacement 60
Fig. 35. Kurihara-Ichimoto method(3 section) 62
Fig. 36. Kurihara-Ichimoto method(5 section) 63
Fig. 37. Kurihara-Ichimoto method(6 section) 63
Fig. 38. Tominaga-Hashimoto method(3 section) 64
Fig. 39. Tominaga-Hashimoto method(5 section) 65
Fig. 40. Tominaga-Hashimoto method(6 section) 65
Fig. 41. Matsuo-Kawamura method(3 section) 66
Fig. 42. Matsuo-Kawamura method(5 section) 67
Fig. 43. Matsuo-Kawamura method(6 section) 67