Evaluation of key injection parameters and ground response regarding to chemical stabilizer grouting for heavy metal contaminated ground stabilization
중금속 오염 지반 정화를 목적으로 한 화학 안정제 주입에 관한 주요 주입 변수 및 지반 반응 평가
- 주제(키워드) Chemical stabilizer injection , Ground deformation , Heavy metal remediation , Injection parameters , Soil response evaluation
- 주제(DDC) 690
- 발행기관 아주대학교 일반대학원
- 지도교수 장일한
- 발행년도 2025
- 학위수여년월 2025. 2
- 학위명 석사
- 학과 및 전공 일반대학원 건설시스템공학과
- 실제URI http://www.dcollection.net/handler/ajou/000000034381
- 본문언어 영어
- 저작권 아주대학교 논문은 저작권에 의해 보호받습니다.
목차
CHAPTER I INTRODUCTION 1
1.1 Background 1
1.2 Scope – Organization 4
CHAPTER II LITERATURE REVIEW 5
2.1 Introduction 5
2.2 Stabilizing Materials Used for Stabilizer 7
2.3 Soil Stabilization Methods 9
2.4 Summary and Conclusion 11
CHAPTER III MATERIALS 13
3.1 Introduction 13
3.2 Soil Physical Property Test 17
3.2.1 Test Cases 17
3.2.2 Particle-Size Analysis (ASTM D422) 18
3.2.3 Compaction Test (ASTM D698) 28
3.2.4 Permeability Test (ASTM D2434) 39
3.3 Chemical stabilizer 41
3.3.1 Stabilizer Solution type 41
3.3.2 Characteristic of Iron (III) Hydroxide 44
CHAPTER IV LABORATORY MODEL TEST 46
4.1 Introduction 46
4.2 Model Experimental Equipment 47
4.2.1 Permeability Test After Stabilizer Injected 47
4.2.2 Model Ground Test 47
4.3 Measurement System 49
4.4 Model Experiment Methods 50
4.4.1 Permeability Test After Stabilizer Injected Methods 50
4.4.2 Model Ground Test 51
4.5 Model Experiment Results 53
4.5.1 Permeability Test After Stabilizer Injected Results 53
4.5.2 Model Ground Test Results. 56
4.6 Summary and Conclusion 62
CHAPTER V NUMERICAL ANALYSIS 64
5.1 Introduction 64
5.2 Program Introduction 64
5.3 COMSOL Multiphysics Modeling 65
5.3.1 Governing Equation 65
5.3.2 Geometry and Mesh 67
5.3.3 Parameters Used in The Analysis 69
5.4 Numerical Analysis Results 70
5.4.1 Control Inject Pressure 70
5.4.2 Control Flow Rate 74
5.5 Summary and Discussion 79
5.5.1 Appropriate injection Operating Conditions 79
5.5.2 Appropriate Installation Interval for Each Horizontal Well 81
5.5.3 Analysis of Stabilization Efficiency Through pH Analysis 82
CHAPTER VI CONCLUSIONS 87
REFERENCES 89
