8

Consolidation and Consolidation Settlement

CHAPTER HIGHLIGHTS

Rheological models of soil – Compressibility of soils – One-dimensional consolidation – Consolidation test – Compressibility characteristics – Types of clay deposits – Prediction of pre-consolidation pressure – Terzaghi's theory of one-dimensional consolidation, time factor, coefficient of consolidation, fitting methods – Secondary compression – Consolidation settlement and its rates – Acceleration of consolidation – Compressibility of sands

8.1 INTRODUCTION

When a soil layer is subjected to compressive stress due to construction activities, or otherwise, it undergoes compression. The compression may be caused by rearrangement of particles, seepage of water, crushing of particles, ...

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