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Relation between the static and the dynamic deformation indexes of rock in large-scale tests on rock masses

✍ Scribed by S. B. Ukhov; A. S. Panenkov

Publisher
Springer
Year
1968
Tongue
English
Weight
518 KB
Volume
2
Category
Article
ISSN
1570-1468

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πŸ“œ SIMILAR VOLUMES

The deformation modulus of rock masses β€”
The deformation modulus of rock masses β€” comparisons between in situ tests and indirect estimates
✍ Arild PalmstrΓΆm; Rajbal Singh πŸ“‚ Article πŸ“… 2001 πŸ› Elsevier Science 🌐 English βš– 393 KB

## Ε½ . Three methods of in situ deformation modulus Em measurements of rock masses have been described, analysed and Ε½ . compared. The plate jacking PJT test, where the deformations are measured by extensometers in drill holes, gives generally the best results. A factor of 2.5 has been found betwee