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Soil Mechanics and Foundation Engineering by P. Purushothama Raj

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17

Drilled Piers and Caisson Foundations

Chapter Highlights

Drilled piers: uses and types of drilled piers, bearing capacity and settlement of drilled piers, construction methods – Caissons: types of caissons, bearing capacity and settlement of caissons – Construction procedures – Well foundations: types of wells, components of well foundations, design of wells, stability analysis, construction of well foundations – Shifts and tilts in well sinking

17.1 INTRODUCTION

Drilled piers and caissons provide a solid massive foundation for heavy loads and high horizontal thrusts. Drilled piers are structural members of relatively large-diameter massive struts constructed and placed in a pre-excavated hole. They are referred to variously by civil engineers ...

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