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Study of Effective Friction Angle of Normally Consolidated Soils

Chang, Jeffery C. / Wu, Jason Y. / Lee, Mingshu

The determinations of effective friction angle are ambiguous for many geotechnical practical applications. This research conducts 40 sets of direct shear tests to observe the variations of friction angles for normally consolidated soils using concepts of friction law in physics. Based on the test results, the observed values of effective friction angle have shown a statistical normal distribution within a bounded interval. For a more reliable stability design, the effective friction angle can be determined directly by taking into account the mean value and different values of standard deviation dependent upon the risk evaluation.

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Study of Effective Friction Angle of Normally Consolidated Soils

Chang, Jeffery C. / Wu, Jason Y. / Lee, Mingshu

The determinations of effective friction angle are ambiguous for many geotechnical practical applications. This research conducts 40 sets of direct shear tests to observe the variations of friction angles for normally consolidated soils using concepts of friction law in physics. Based on the test results, the observed values of effective friction angle have shown a statistical normal distribution within a bounded interval. For a more reliable stability design, the effective friction angle can be determined directly by taking into account the mean value and different values of standard deviation dependent upon the risk evaluation.

Study of Effective Friction Angle of Normally Consolidated Soils

Chang, Jeffery C. / Wu, Jason Y. / Lee, Mingshu

The determinations of effective friction angle are ambiguous for many geotechnical practical applications. This research conducts 40 sets of direct shear tests to observe the variations of friction angles for normally consolidated soils using concepts of friction law in physics. Based on the test results, the observed values of effective friction angle have shown a statistical normal distribution within a bounded interval. For a more reliable stability design, the effective friction angle can be determined directly by taking into account the mean value and different values of standard deviation dependent upon the risk evaluation.

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Title:

Study of Effective Friction Angle of Normally Consolidated Soils

Contributors:

Chang, Jeffery C. (author) / Wu, Jason Y. (author) / Lee, Mingshu (author)

Conference:

GeoHunan International Conference 2011 ; 2011 ; Hunan, China

Published in:

Instrumentation, Testing, and Modeling of Soil and Rock Behavior ; 155-162

Publication date:

2011-05-16

ISBN:

DOI:

https://doi.org/10.1061/47633(412)21

Type of media:

Conference paper

Type of material:

Electronic Resource

Language:

English

Keywords:

Constitutive models , Soil consolidation , Numerical models , Laboratory tests , Friction , Soil properties , Soil strength

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