PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 CO1 3 CO2 3 CO3 3 16GEPC01 SHALLOW FOUNDATIONS L T P C 3 0 03 COURSE OBJECTIVE To impart knowledge in selection and design of foundations based on bearing capacity and settlement. COURSE OUTCOMES At the end of the course, students will be able to CO1: Select a suitable foundation and evaluate bearing capacity and settlement. CO2: Carry out structural design of shallow and special foundations. CO3: Suggest suitable measures for expansive and difficult soils. UNIT I Introduction (09) Developments Need of foundation Engineering Responsibility of foundation – – engineer Shallow and deep foundations Classification Requirements of good – – – foundations Additional consideration– Selection of type of foundation Hostile – – environment Structural integrity Economy. – – UNIT II Bearing Capacity (09) Introduction Criteria for computing Bearing Capacity Theoretical methods – – – method approach Effect of compressibility of Terzaghi’s formula – Meyerhoff’s – Vesic’s – soil, water table, shape and width of foundation, inclination of load, eccentricity of load, layered soils Hard rocks Allowable bearing pressure Evaluation of bearing capacity – – – from in-situ tests I.S. code provisions. – UNIT III Settlement Evaluation (09) Introduction Immediate and time dependant settlement Causes of settlement – – – Prediction of settlement Minimizing settlement and allowable settlement – –Tolerable – layered soils-stress path method Evaluation from in-situ tests Differential settlement – – – Causes and effects Factors influencing I.S. Code provisions Special considerations for – – – expansive and collapsible soils. UNIT IV Design of Foundations (09) Analysis of foundation Isolated Strip Combined footings and mat foundations. – – – Conventional Elastic approach Soil Structure Interaction Principles Application – – – design of shallow foundations Limit state method Codal recommendations – – – Software applications. UNIT V Special Foundations (09) Introduction to special foundations Floating foundation Foundation in expansive – – soils Foundation on recent refuse fills Design of foundation for seismic forces – – – Foundation design in relation to ground movement Foundations on reclaimed soils Codal – – recommendations. TOTAL: 45hrs
PO1 PO2 PO3 PO4 PO5 PO6 PO7 PO8 PO9 PO10 PO11 CO1 3 CO2 3 CO3 3 16GEPC01 SHALLOW FOUNDATIONS L T P C 3 0 03 COURSE OBJECTIVE To impart knowledge in selection and design of foundations based on bearing capacity and settlement. COURSE OUTCOMES At the end of the course, students will be able to CO1: Select a suitable foundation and evaluate bearing capacity and settlement. CO2: Carry out structural design of shallow and special foundations. CO3: Suggest suitable measures for expansive and difficult soils. UNIT I Introduction (09) Developments – Need of foundation Engineering – Responsibility of foundation engineer – Shallow and deep foundations – Classification – Requirements of good foundations – Additional consideration– Selection of type of foundation – Hostile environment – Structural integrity – Economy. UNIT II Bearing Capacity (09) Introduction – Criteria for computing Bearing Capacity – Theoretical methods – Terzaghi’s formula – Meyerhoff’s method – Vesic’s approach – Effect of compressibility of soil, water table, shape and width of foundation, inclination of load, eccentricity of load, layered soils – Hard rocks – Allowable bearing pressure – Evaluation of bearing capacity from in-situ tests – I.S. code provisions. UNIT III Settlement Evaluation (09) Introduction – Immediate and time dependant settlement – Causes of settlement – Prediction of settlement – Minimizing settlement –Tolerable and allowable settlement – layered soils-stress path method – Evaluation from in-situ tests – Differential settlement – Causes and effects – Factors influencing – I.S. Code provisions – Special considerations for expansive and collapsible soils. UNIT IV Design of Foundations (09) Analysis of foundation – Isolated – Strip – Combined footings and mat foundations. Conventional – Elastic approach – Soil Structure Interaction Principles – Application design of shallow foundations – Limit state method – Codal recommendations – Software applications. UNIT V Special Foundations (09) Introduction to special foundations – Floating foundation – Foundation in expansive soils – Foundation on recent refuse fills – Design of foundation for seismic forces – Foundation design in relation to ground movement – Foundations on reclaimed soils – Codal recommendations. TOTAL: 45hrs