Tunneling in Rock by Drilling and Blasting

Alex Spathis, R.N. Gupta, Geotechnical & Rock Engineering Consultant, Former Director, NIRM, KGF, India.

• Preface; High precision drilling; Improved tunneling performance through smarter drilling and design; Rapid excavation of tunnels using innovative drilling and blasting techniques; Blasting works in urban areas-A Singapore case study; Tunnelling through adverse geological condition: A case study; Controlled blasting for a new tunnel near an existing railway tunnel; Introducing specialized blasting techniques and sequences of excavation in tunneling works under critical conditions; Controlling shock waves and vibrations during large and intensive blasting operations under Stockholm City; Vibration measurements and modelling for blasting in a hard rock tunnel; Multiple seed blast vibration modeling for tunnel blasting in urban environments; Geometric assessment of perimeter control blasting in tunnels; Controlled blasting for underground hydroelectric projects-NIRM experience; Investigation of cracks in domestic houses near construction project in the Himalaya, India: A case study; IT & its role in underground blasting-an overview & future insights.