The factors which should be taken into account in assessing the ground movements which may result from construction dewatering operations are discussed, with reference to case histories.

  • Introduction

  • Mechanisms of pore water pressure reduction

  • Calculation of settlements: general principles

  • Assessment of risk

  • Aquifers overlain by compressible strata

  • Vertical settlement of a compressible stratum due to horizontal drainage

  • Minimization of settlements by recharge of groundwater

  • Conclusions

  • References

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