2000
DOI: 10.1061/(asce)1090-0241(2000)126:12(1133)
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Effects of Disturbance on Undrained Strengths Interpreted from Pressuremeter Tests

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Cited by 19 publications
(13 citation statements)
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“…The soil response can take place in drained conditions with dissipation of interstitial pressures or in undrained conditions (Aubeny et al 2000;Benoit 1995).…”
Section: Undrained Responsementioning
confidence: 99%
“…The soil response can take place in drained conditions with dissipation of interstitial pressures or in undrained conditions (Aubeny et al 2000;Benoit 1995).…”
Section: Undrained Responsementioning
confidence: 99%
“…Therefore this interpretation method would inevitably lead to errors in derived soil properties (e.g. References [6][7][8][9][10][11][12][13][14] among many others). Most recently, Yu [15] has carried out a rather comprehensive review of various sources of inaccuracy due to these simplifying assumptions.…”
Section: Introductionmentioning
confidence: 99%
“…Various reasons have been invoked to account for such discrepancies. The most important ones are thought to be strain rate, reduced probe length, and initial borehole disturbance (Prévost 1976;Eden 1980, 1985;Prapaharan et al 1989Prapaharan et al , 1990; Whittle and Aubeny 1992;Houlsby and Carter 1993;Benoît 1995;Jefferies and Shuttle 1995;Aubeny et al 2000). As for sand, Fahey and Randolph (1984) showed that determinations of the shear modulus, measured from the initial elastic part of the test, are associated with difficulties due to the disturbance and its effects on the interpretation of the test data.…”
Section: Introductionmentioning
confidence: 99%
“…It thus seems difficult in practice to start the expansion test at the ideal undisturbed state, p o h o = σ , ε oi = 0. Indirect support for such an assertion is found in the analysis of available experimental data (see, for example, Baguelin et al 1978;Lacasse et al 1981Lacasse et al , 1990Jamiolkowski et al 1985;Benoît and Clough 1986;Aubeny et al 2000), which indicate that most shear stress -strain curves determined from pressuremeter tests exhibit (i) strain-softening characteristics, and (ii) higher shear strengths than those obtained from laboratory or field vane test results, or both. Although rate-sensitive clays are expected to exhibit strain-softening characteristics (Prévost 1976), rate effects are much less important than previously thought (Prapaharan et al 1989).…”
Section: Introductionmentioning
confidence: 99%
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