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Soil Mechanics and Foundation Engineering by P. Purushothama Raj

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19

Soil Improvement

CHAPTER HIGHLIGHTS

Soil improvement techniques – Surface compaction – Drainage methods: well-point systems, deep-well drainage, vacuum de-watering system, de-watering by electro-osmosis – Vibration methods: vibro-compaction, vibro-displacement compaction – Pre-compression and consolidation – Grouting and injection – Chemical stabilization – Soil reinforcement – Geotextiles and geomembranes – Other methods

19.1 INTRODUCTION

In situ soil characteristics of a construction site are different from those desired and, almost always, far from ideal for a designated need. With increased urban development, sites with favourable foundation conditions became rare. At times, the civil engineer has been forced to construct structures ...

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