..., V M. S. R. Murthyand J. L. Jethwa Proc. Instn Civ. Engrs Geotech. Engng, 1996,119, Jan., 57-63 GroundBoard Geotechnical Engineering Panel Paper 10741 Written discussion closes I5 March 1996 W The paper reports a case where blasting was conducted to remove 10000 m3 of granite very close to a running...

.... The technique is non-destructive As anexample, work carried out during the and can he appliedacross a range of present study has shown that transmissivity bedrock types including basalt, granite, values may be increasedby a factor of 10 schist, sandstone and limestone, irrespec- between massively bedded...