1981
DOI: 10.1680/geot.1981.31.2.181
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The drained residual strength of cohesive soils

Abstract: The drained residual strength of cohesive soils has been studied extensively during the last 20 years. Various correlations between residual friction angle and index properties have been proposed and these are reviewed. Residual strength is measured with least ambiguity in the ring shear apparatus. A large number of natural soils have been tested in the ring shear apparatus developed jointly by Imperial College and the Norwegian Geotechnical Institute, and the results of these tests are summarized. The mechani… Show more

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Cited by 623 publications
(450 citation statements)
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“…The average residual friction angles obtained using the standard procedure, which involves the remoulding of the natural material, are slightly larger than those obtained from the alternative procedure. The values obtained are consistent with the correlations proposed by Lupini et al (1981), which relate the residual friction angle with the CF and the plasticity index. The residual friction angles are low and the post-peak brittleness is pronounced, as is typical for southern Italian scaly clays (e.g.…”
Section: Compression Behaviour At the Scale Contactssupporting
confidence: 90%
“…The average residual friction angles obtained using the standard procedure, which involves the remoulding of the natural material, are slightly larger than those obtained from the alternative procedure. The values obtained are consistent with the correlations proposed by Lupini et al (1981), which relate the residual friction angle with the CF and the plasticity index. The residual friction angles are low and the post-peak brittleness is pronounced, as is typical for southern Italian scaly clays (e.g.…”
Section: Compression Behaviour At the Scale Contactssupporting
confidence: 90%
“…The reloading curves do not show a peak stress. This is consistent with the interpretation that the peak and subsequent weakening result from rotation and alignment of clay grains [e.g., Lupini et al, 1981;Saffer and Marone, 2003]. Clay grains have random orientation when the layers are initially prepared.…”
Section: Frictional Strength Of Illite Shale Smectite and Quartz-smsupporting
confidence: 89%
“…These factors include initial sediment composition and grain size distribution [e.g., Lupini et al, 1981;Logan and Rauenzahn, 1987;Spiers, 2000, 2002], normal stress and slip velocity [Marone et al, 1990;Beeler et al, 1996;Mair and Marone, 1999], variations in mineralogy as might be expected with increasing fault plane depth [e.g., Saffer and Marone, 2003], increasing consolidation [Zhang et al, 1993], and cementation.…”
Section: Review Of Relevant Laboratory Friction Datamentioning
confidence: 99%
“…The decrease in friction angle from the peak to the residual r is strongly related with mineralogy: r in kaonite > illinte > montmorrilonite. Furthermore, the volume fraction of platy clay particles must exceed 10∼15% for a significant strain softening behavior to develop [Kenney, 1959;Olson, 1974;Lupini et al, 1981;Skempton, 1985;Mesri and Cepeda-Diaz, 1986]. The effect of the residual friction on the displacement field, the magnitude of the normalized throw, and the volumetric strain is reported in Figures 5b, 6a and 6c.…”
Section: Shin Et Al: Displacement In Contraction Driven Fault B07408mentioning
confidence: 99%