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

Media Info

Subject/Index Terms

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