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Hydrogeological testing to characterize a fractured granite

Witherspoon, P. A. / Gale, J. E.

Abstract A comprehensive program of in situ testing has been carried out in an iron ore mine in Stripa, Sweden, to investigate the problems of obtaining a hydrogeological characterization of a fractured granite rock mass. The field investigations consisted of: (1) the collection of fracture geometry and borehole injection test data to determine directional permeabilities, (2) a macropermeability experiment to determine the bulk rock mass permeability, (3) groundwater sampling for investigations of geochemistry and isotope hydrology, (4) pump testing of surface wells, and (5) tracer tests to determine effective porosity. This report summarizes results from all but the last item, the tracer work, which had not been carried out when the field work ended in 1981.

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Hydrogeological testing to characterize a fractured granite

Witherspoon, P. A. / Gale, J. E.

Abstract A comprehensive program of in situ testing has been carried out in an iron ore mine in Stripa, Sweden, to investigate the problems of obtaining a hydrogeological characterization of a fractured granite rock mass. The field investigations consisted of: (1) the collection of fracture geometry and borehole injection test data to determine directional permeabilities, (2) a macropermeability experiment to determine the bulk rock mass permeability, (3) groundwater sampling for investigations of geochemistry and isotope hydrology, (4) pump testing of surface wells, and (5) tracer tests to determine effective porosity. This report summarizes results from all but the last item, the tracer work, which had not been carried out when the field work ended in 1981.

Hydrogeological testing to characterize a fractured granite

Witherspoon, P. A. / Gale, J. E.

Abstract A comprehensive program of in situ testing has been carried out in an iron ore mine in Stripa, Sweden, to investigate the problems of obtaining a hydrogeological characterization of a fractured granite rock mass. The field investigations consisted of: (1) the collection of fracture geometry and borehole injection test data to determine directional permeabilities, (2) a macropermeability experiment to determine the bulk rock mass permeability, (3) groundwater sampling for investigations of geochemistry and isotope hydrology, (4) pump testing of surface wells, and (5) tracer tests to determine effective porosity. This report summarizes results from all but the last item, the tracer work, which had not been carried out when the field work ended in 1981.

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Title:

Hydrogeological testing to characterize a fractured granite

Contributors:

Witherspoon, P. A. (author) / Gale, J. E. (author)

Published in:

Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur ; 26-27

Publication date:

1982

ISSN:

DOI:

https://doi.org/10.1007/BF02594268

Type of media:

Article (Journal)

Type of material:

Print

Language:

English

Keywords:

Rock Mass , Fracture Aperture , Isotope Hydrology , Fracture Porosity , Trace Length

Classification:

BKL: 38.58 Geomechanik / 56.20 Ingenieurgeologie, Bodenmechanik
Local classification TIB: 050/6545

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