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Geoelectrical imaging in the interpretation of geological conditions affecting quarry operations

In English

Författare

Summary, in English

Determination of the subsurface geology is very important for the rock quarry industry. This is primarily done by drilling and mapping. However, in Sweden, the bedrock is often completely covered by Quaternary sediments, making the prediction quite difficult. This study shows that electrical resistivity imaging together with induced polarization proved to be very efficient in detecting fracture frequency, major fracture zones and variations in rock mass quality, all of which can affect the aggregate quality. These techniques can also determine the thickness of the overburden. Furthermore, by doing 2D-parallel data sampling, a 3D inversion of the dataset is possible, which greatly enhances the visualization of the subsurface. Implementation of geophysics can be a valuable tool for the quarry industry, resulting in substantial economic benefits.

Avdelning/ar

Publiceringsår

2010

Språk

Engelska

Sidor

465-486

Publikation/Tidskrift/Serie

Bulletin of Engineering Geology and the Environment

Volym

69

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Geotechnical Engineering

Nyckelord

  • Induced polarization
  • Geophysical methods
  • production
  • Aggregate
  • Electrical resistivity imaging
  • Rock mass quality
  • induced polarization
  • Normalized

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 1435-9537