Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Note on measurement of strength in undrained triaxial compression test
Misleadingly high strengths may be recorded during undrained triaxial compression tests when failure results in formation of one or more shear planes; as result of negative pore pressures which are induced by uneven distortion of rubber membrane deviator stress may increase after appearance of shear planes; this effect is only likely to be significant for soil whose `correct' stress-strain relation would show only small drop from peak to residual, and where rate of compression is slow enough to allow equalization of pore pressure throughout specimen.
Note on measurement of strength in undrained triaxial compression test
Misleadingly high strengths may be recorded during undrained triaxial compression tests when failure results in formation of one or more shear planes; as result of negative pore pressures which are induced by uneven distortion of rubber membrane deviator stress may increase after appearance of shear planes; this effect is only likely to be significant for soil whose `correct' stress-strain relation would show only small drop from peak to residual, and where rate of compression is slow enough to allow equalization of pore pressure throughout specimen.
Note on measurement of strength in undrained triaxial compression test
Geotechnique
Chandler, R.J. (Autor:in)
Geotechnique ; 18
1968
6 pages
Aufsatz (Zeitschrift)
Englisch
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