SITE EXPLORATION IN TUNNELLING PROJECTS

THE REPORT DISCUSSES THE FOLLOWING ASPECTS OF SITE INVESTIGATION: ORGANIZATION OF A SITE EXPLORATION PROGRAM AND GEOLOGICAL ASPECTS OF IMPORTANCE TO TUNNELLING, INCLUDING ROCK TYPES, CHEMICAL DEFECTS IN ROCKS, MECHANICAL DEFECTS, STRATIFICATION, AND SUB-SURFACE WATER. THE DETERMINATION OF THE VIRGIN STRESS FIELD IS ALSO DISCUSSED, INCLUDING GEOLOGICAL CONDITIONS WHICH AFFECT THE VIRGIN STATE OF STRESS, GRAVITATIONAL STRESS, TECTONIC STRESS, AND THE INFLUENCE OF THE VIRGIN STATE OF STRESS ON TUNNELLING. /TRRL/

• Corporate Authors:

  Cncl Scient & Indus Res /S Africa

  /Nat Inst Road Res
  ,   United States 
• Authors:
  • Jaarsveld, A
• Publication Date: 1971-5

Language

• English

Media Info

• Features: Figures; References;
• Pagination: 36 p.
• Serial:
  • Issue Number: meg1

Subject/Index Terms

• TRT Terms: Defects; Excavation and tunneling; Geology; Rocks; Stratification; Stresses
• Uncontrolled Terms: Site investigation
• Subject Areas: Geotechnology; Highways;

Filing Info

• Accession Number: 00230433
• Record Type: Publication
• Source Agency: Transport and Road Research Laboratory (TRRL)
• Report/Paper Numbers: R&d Rpt
• Files: TRIS
• Created Date: Nov 14 1973 12:00AM