GROUND AND SOIL IMPROVEMENT

By Y. LALAE

LEARNING OBJECTIVES 1; INTRODUCTION 1; NEED FOR GROUND IMPROVEMENT 1; CLASSIFICATION OF GROUND IMPROVEMENT TECHNIQUES LEARNING OBJECTIVES 5; INTRODUCTION 5; TERMINOLOGY 6; METHODS OF COMPACTION 6; PRINCIPLES OF SOIL COMPACTION 22; PROPERTIES OF COMPACTED SOIL 23; COMPACTION CONTROL TESTS 28; DYNAMIC COMPACTION 36; LIQUEFACTION OF SOILS AND ITS REMEDIAL MEASURES 45; EXPANSIVE SOIL AND ITS REMEDY 56; REVIEW QUESTIONS 61; MULTIPLE CHOICE QUESTIONS 61; PRACTICAL PROBLEMS 61; REFERENCES LEARNING OBJECTIVES 65; NEED FOR PRELOADING 65; PRELOADING WITHOUT VERTICAL DRAINS 66; PRELOADING WITH VERTICAL DRAINS 73; EFFECT OF SMEAR 80; ASSESSMENT OF GROUND CONDITIONS 80; INSTRUMENTATION 81; FINITE DIFFERENCE SOLUTION FOR COMBINED VERTICAL AND RADIAL FLOW 82; REVIEW QUESTIONS 84; MULTIPLE CHOICE QUESTIONS 84; PRACTICAL PROBLEMS 85; REFERENCES LEARNING OBJECTIVES 87; INTRODUCTION 87; FUNCTIONS OF GEOSYNTHETICS 92; SELECTION OF GEOSYNTHETICS 96; APPLICATION AREAS 96; DESIGN OF GEOTEXTILES 108; DESIGN OF GEOGRIDS 129; DESIGN OF GEONETS 140; DESIGN OF GEOMEMBRANES 145; SOLVED EXAMPLES 166; REVIEW QUESTIONS 182; MULTIPLE CHOICE QUESTIONS 182; PRACTICAL PROBLEMS 183; REFERENCES LEARNING OBJECTIVES 186; INTRODUCTION 186; FACTORS INFLUENCING THE INCREASE IN STRENGTH 189; ENGINEERING PROPERTIES OF TREATED SOIL 191; DESIGN METHOD 200; REVIEW QUESTIONS 211; MULTIPLE CHOICE QUESTIONS 212; REFERENCES LEARNING OBJECTIVES 214; INTRODUCTION 214; CATEGORIES OF GROUTING 214; GROUT MATERIALS 216; GROUTING WITH CEMENT 218; JET GROUTING 220; COMPACTION GROUTING 221; CHEMICAL GROUTS 223; GROUTING THEORY 231; GROUTING TECHNOLOGY 235; FIELD EQUIPMENT 239; APPLICATIONS OF GROUTING 246; REVIEW QUESTIONS 253; MULTIPLE CHOICE QUESTIONS 254; REFERENCES LEARNING OBJECTIVES 255; INTRODUCTION 255; GROUND ANCHORS 255; ROCK BOLTS 266; SOIL NAILING 267; REVIEW QUESTIONS 275; MULTIPLE CHOICE QUESTIONS 275; PRACTICAL PROBLEMS 275; REFERENCES LEARNING OBJECTIVES 277; SOIL RESPONSE MODELS 277; ELASTIC MODELS OF SOIL BEHAVIOUR 277; ANALYSIS OF BEAMS OF FINITE LENGTH 291; MEASUREMENT AND INTERPRETATION OF PARAMETERS ENCOUNTERED IN THE IDEALIZED SOIL MODELS 300; REVIEW QUESTIONS 306; REFERENCES