This paper gives a description of the Building Research Establishment's electro-level movement monitoring system, a brief history of its development and describes its use as a means of controlling compensation and fracture grouting. Case histories are given including the measurement of ground movements associated with underground tunnelling and the monitoring of the North abutment of the Kingston Bridge that carries the M8 over the river Clyde in Glasgow. The abutment as monitored during stabilisation by jet grouting, the work was carried out by Keller Colcrete for the Strathclyde Regional Council.

  • 1 Introduction

  • 2 Description of the BRE EL monitoring system

  • 3 Applications of the system

  • 4 Control of compensation grouting

  • 5 Conclusions

  • 6 Acknowledgements

  • 7 References

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