39. Machine excavation of chalk rock at the first South Killingholme gas cavern, South Humberside

Introduction

The Titan Roadheaders

The Geology of the Site

Rock Strength Data

Subvertical Discontinuities

Laboratory Machineability Test Data

In Situ Machineabi1ity

Comparison of the Welton Chalk with the Machine Excavated Tunnels in the South of England.

Data Comparison

Conclusions

Acknowledgements