Volume 11, Issue 1 And B (Transaction B: Geotechnical Engineering, May 2013)                   IJCE 2013, 11(1 And B): 29-37 | Back to browse issues page

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Eslami Kenarsari A, Jamshidi Chenari R, Eslami A. Characterization of the correlation structure of residual CPT profiles in sand deposits. IJCE 2013; 11 (1) :29-37
URL: http://ijce.iust.ac.ir/article-1-540-en.html
Abstract:   (9236 Views)

Among the different ways of in-situ soil investigation, cone penetration test data are selected to evaluate the spatial variability

of geomaterials and the scale of fluctuations is chosen to evaluate the correlation structure of CPT data. In this regard six case

studies in sandy materials from Australia, U.S.A. and Iraq are selected. Various techniques for the calculation of the scale of

fluctuation of geotechnical parameters are suggested in literature e.g. VXP, SAI, AMF, BLM and VRF without any preference or

privilege for any specific procedure. In order to isolate the stochastic portion of cone tip resistance, deterministic trend was first

removed by regression analysis. This study suggests that quadratic trend removal is more suitable for selected CPT data

soundings. The closeness of the estimated scale of fluctuation using different approaches is assessed too. Mean value of the scale

of fluctuation by five established methods ranges between 0.44 to 1.52 meter for six different cases and the coefficient of

variation for the scale of fluctuation calculated by these methods varies between 12 to 27 % showing that available established

methods produce almost compatible and comparable results.

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Type of Study: Research Paper | Subject: Soil Mechanics Classic

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