... and close to the pipe, as well as thorough compacting of remaining fill near the pipe with vibrating or mechanical equipment. ... by pick and shovel ; this is a convenient division, for different techniques are employed in soft and hard rock strata. ... This article is confined to a review of soft ground tunnelling trends and it is hoped that the brief notes which follow may ... of what has always been a highly specialised yet, by its nature unobtrusive, branch of the civil engineering industry.
|Title||:||The Journal of the Indian National Society of Soil Mechanics and Foundation Engineering|