표제지
요약
목차
1. 서론 11
2. 지형 및 지질조사 13
2.1. 지질조사 13
2.1.1. 지질도폭조사 13
2.1.2. 위성영상 및 수치지형자료(DEM) 분석 16
2.1.3. 지표지질조사 16
2.1.4. 시추조사 결과 분석 17
2.2. 다중빔 해저정밀 지형조사 20
2.2.1. 조사장비 20
2.2.2. 조사결과 22
2.3. 수심측량 23
2.3.1. 수심측량 방법 23
2.3.2. 수심측량 결과 24
3. 조력발전소와 관련된 주요 구조물 26
3.1. 주요 구조물의 배치계획과 설계 26
3.1.1. 주요 구조물의 배치계획 27
3.1.2. 수차 및 수문 구조물의 설계 28
4. 지반의 변형계수 측정 34
4.1. 공내수평재하시험 종류 및 방법 34
4.1.1. L.L.T(Lateral Load Test) 35
4.1.2. P.M.T(Pressuremeter Test) 38
4.1.3. Goodman Jack Test 41
4.2. 결과 분석 45
4.2.1. L.L.T(Lateral Load Test)의 결과 45
4.2.2. P.M.T(Pressuremeter Test)의 결과 47
4.2.3. Goodman Jack Test의 결과 51
4.2.4. 결과종합 54
5. 구조물과 지반의 안정성 분석 59
5.1. 해석 조건 59
5.2. 해석 결과 61
6. 결론 63
참고문헌 65
Abstract 66
부록 68
Table 2.1. Overall condition of stratum 18
Table 3.1. Essential particular of hydraulic turbine generator 31
Table 3.2. Essential particular of head gate structure 32
Table 4.1. Constant decided by Poisson's ratio 45
Table 4.2. Results of L.L.T 46
Table 4.3. Results of P.M.T 50
Table 4.4. Results of Goodman Jack Test 53
Table 4.5. Modulus of deformation in the lake section 56
Table 4.6. Modulus of deformation in the land section 56
Table 4.7. Modulus of deformation in the sea section 57
Table 5.1. Input properties 59
Fig. 2.1. Geological schematic diagram 14
Fig. 2.2. Geological map of the broad area 15
Fig. 2.3. Landsat image and line structure analysis 16
Fig. 2.4. Analysis of joint set 16
Fig. 2.5. Drilling investigation 17
Fig. 2.6. Stratum cross-sectional diagram of foundation structure section 19
Fig. 2.7. Contour line of deposit soil and appearance depth of hard rock 19
Fig. 2.8. Conceptual diagram of MBES 20
Fig. 2.9. Main equipments of MBES 21
Fig. 2.10. Investigation result of MBES 22
Fig. 2.11. DGPS(Differential Global Positioning System) 24
Fig. 2.12. 2D-bathymetric chart of investigation area 25
Fig. 2.13. 3D-bathymetric chart of investigation area 25
Fig. 3.1. Arrangement plan of major structure for a tidal plant 28
Fig. 3.2. Center height of hydraulic turbine generator 29
Fig. 3.3. Top elevation 29
Fig. 3.4. Excavation depth of foundation 30
Fig. 3.5. Standard cross section of hydraulic turbine generator 31
Fig. 3.6. Standard cross section of head gate structure 33
Fig. 4.1. Schematic diagram of L.L.T 36
Fig. 4.2. Result of L.L.T 38
Fig. 4.3. Schematic diagram of P.M.T 40
Fig. 4.4. Hysteretic characteristic of pressure-radius curve 40
Fig. 4.5. Schematic diagram of Goodman jack test 43
Fig. 4.6. Pressure-deformation curve obtained from Goodman jack test 44
Fig. 4.7. Borehole location of L.L.T 45
Fig. 4.8. Equipment and overall view of L.L.T 46
Fig. 4.9. Modulus of deformation according to depth in L.L.T 47
Fig. 4.10. Borehole location of P.M.T 48
Fig. 4.11. Equipment and overall view of P.M.T 49
Fig. 4.12. Modulus of deformation according to depth... 51
Fig. 4.13. Borehole location of Goodman Jack Test 52
Fig. 4.14. Equipment and overall view of Goodman Jack Test 52
Fig. 4.15. Modulus of deformation according to depth... 54
Fig. 4.16. Modulus deformation developed with stratum type in each section 58
Fig. 4.17. Modulus of deformation according to total testing depth 58
Fig. 5.1. Numerical simulation model of hydraulic turbine generator structure 60
Fig. 5.2. Analysis zone of numerical model 60
Fig. 5.3. Maximum principal stress contour 61
Fig. 5.4. Distribution pattern of maximum stress and minimum stress 62