TUNNELLING IN ROCK. CHAPTER 5: SITE EXPLORATION. GEOPHYSICAL METHODS, WATER AND GAS, DATA PRESENTATION

This second chapter on site exploration is presented under the following headings: 1 - geophysical investigations; definition of geophysics; application of geophysics in tunnelling; economics of geophysical surveys; different geophysical methods - seismic methods, resistivity methods and magnetic methods; limitations of geophysical methods; 2 - site exploration for ground water: surface reconnaissance surveys; comparison with case histories; geophysical surveys; exploratory drilling; pumping tests; chemical analyses of water; 3 - site exploration for gas; 4 - data presentation: site exploration report; geological plans; geological cross-sections; exploratory drilling results; input data for geomechanic classification. /TRRL/

• Supplemental Notes:
  • See also HRIS 095929, 095930 and 095932 through 095937 for Chapters 3, 4, 6-10 and 14.
• Corporate Authors:

  South African Institute of Civil Engineers

  2 Hollard Street
  Johannesburg,   South Africa 

  South African Council for Scientific & Indus Res

  P.O. Box 395
  Pretoria, Transvaal,   South Africa 
• Authors:
  • Olivier, H G
• Publication Date: 1974-6-1

Language

• English

Media Info

• Features: Figures; References;
• Pagination: p. 63-87
• Serial:
  • Publication of: South African Institute of Civil Engineers
  • Publisher: South African Institute of Civil Engineers

Subject/Index Terms

• TRT Terms: Chemical analysis; Drilling; Economics; Electrical resistance; Exploration; Gases; Geology; Geophysics; Groundwater; Magnetic detectors; Magnetic induction; Rock mechanics; Rocks; Seismicity; Tunneling; Tunnels; Water
• Uncontrolled Terms: Seismic investigations; Site investigation
• Old TRIS Terms: Geological explorations; Groundwater investigation; Magnetic methods of exploration; Resistivity exploration; Rock tunneling
• ITRD Terms: 7163: Chemical analysis; 3871: Drilling; 6734: Gas; 4053: Geology; 4383: Ground water; 6916: Resistance (electr); 5757: Rock mechanics; 5731: Seismic; 5722: Site investigation; 3374: Tunnel; 4355: Water
• Subject Areas: Bridges and other structures; Construction; Economics; Geotechnology; Highways; I41: General Soil Surveys; I43: Rock Mechanics; I54: Construction of Tunnels;

Filing Info

• Accession Number: 00095931
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Files: ITRD, TRIS
• Created Date: Jul 15 1975 12:00AM