TABLE OF CONTENTS
ABSTRACT I
UNDERTAKING II
CERTIFICATE III
ACKNOWLEDGEMENTS IV
TABLE OF CONTENTS V
LIST OF FIGURES VIII
LIST OF TABLES IX
CHAPTER-1: INTRODUCTION 10
1.1 Need Of Study 11
1.2 Objective Of Study 11
1.3 Scope Of Work 11
CHAPTER-2: LITERATURE REVIEW 12
2.1 Introduction 12
2.1.1 Design Considerations 12
2.1.2 Manufacturing Techniques 13
2.1.3 Installation And Maintenance 14
2.1.4 Standards And Regulations 15
2.1.5 Case Study 16
2.2 Inferences From Literature Review 16
2.3 Aspects Related to Precast Water Tanks 18
CHAPTER-3: RESEARCH METHODOLOGY 19
3.1 Research Design 19
CHAPTER-4: PRECAST TANK CONSTRUCTION & APPLICATIONS 20
4.1 Benefits Of Precast Tank 20
4.2 Application Of Precast Tanks 21
4.3 Monolithic Tanks 21
4.3.1 What Is Monolithic Tanks 21
4.3.2 Applications Of Monolithic Tanks 22
4.3.3 Construction Process 23
4.3.4 Benefits Of Using Monolithic Technique 24
CHAPTER-5: PRECAST TANK DESIGN BASIS AND CODE REQUIREMENTS 26
5.1 Basis Of Concrete Water Tank Design 26
5.2 Permissible Stress on Concrete 26
5.2.1 Permissible Stress for Resistance of Cracking 26
5.2.2 Permissible Stress for Strength Calculation 27
5.2.3 Permissible Stress in Steel 28
5.2.4 Stress Due to Temperature or Moisture Variations 28
5.3 General Requirements as Per Is 3370 Part-1 29
5.3.1 Materials 29
5.3.2 Aggregates 29
5.3.3 Reinforcement 30
5.3.4 Admixtures 30
5.3.5 Exposure Conditions 31
5.3.6 Concrete 31
5.3.7 Durability 33
5.3.8 Site Conditions 34
5.3.9 Causes And Control of Cracking 35
CHAPTER-6: STRUCTURAL DESIGN OF PRECAST WATER TANK USING IS 3370
(2021) COEFFICIENT METHOD 39
6.1 Design Calculations 39
6.2 Formula Used for Calculation as Per Is Code 40
6.3 Cases 41
6.3.1 Case 1: Water Inside Only and Earth Outside Only 41
6.3.2 Case:2 Surcharge Outside Only 42
6.4 Location 43
6.4.1 Case-1 43
6.4.2 Case-2 43
6.5 Moment Coefficients 44
6.5.1 Moment Coefficients for Case-1: Long Side 44
6.5.2 Moment Coefficients for Case-1: Short Side 44
6.5.3 Moment Coefficients for Case-2: Long Side 45
6.5.4 Moment Coefficients for Case-2: Short Size 45
6.6 Moment Calculated 46
6.6.1 Moment Calculated for Case-1: Long Side 46
6.6.2 Moment Calculated for Case-1: Short Side 46
6.6.3 Moment Calculated for Case-2: Long Side 47
6.6.4 Moment Calculated for Case-2: Short Side 47
6.7 Reinforcement Calculations 48
6.7.1 Case:1 Water Inside, No Earth Outside 48
6.7.2 Case:2 No Water Inside, Earth Outside 48
6.7.3 Case:3 No Water Inside, Surcharge Outside 49
6.7.4 Case:4 No Water Inside, Earth + Surcharge Outside 49
CHAPTER-7: CONCLUSION 50
REFERENCES 51