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Effect of sample disturbance on cyclic shear strength of normally to lightly OC clays

Yang, Shaoli / Andersen, Knut H. / Lunne, Tom / Yetginer, Gulin

Tests on Onsøy clay (I_p = 24–27%) were performed to study the effect of sample disturbance on undrained static and cyclic shear strength. Samples with different degree of disturbance from sampling were used and parallel sets of monotonic and cyclic undrained laboratory tests were performed on block and 54 mm composite piston samples. A silty Drammen clay (I_p = 19%) which was studied earlier was included in the study. Test results indicated that there are significant effects of sample disturbance on both static and cyclic undrained shear strengths for both Onsøy and silty Drammen clays.

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Effect of sample disturbance on cyclic shear strength of normally to lightly OC clays

Yang, Shaoli / Andersen, Knut H. / Lunne, Tom / Yetginer, Gulin

Tests on Onsøy clay (I_p = 24–27%) were performed to study the effect of sample disturbance on undrained static and cyclic shear strength. Samples with different degree of disturbance from sampling were used and parallel sets of monotonic and cyclic undrained laboratory tests were performed on block and 54 mm composite piston samples. A silty Drammen clay (I_p = 19%) which was studied earlier was included in the study. Test results indicated that there are significant effects of sample disturbance on both static and cyclic undrained shear strengths for both Onsøy and silty Drammen clays.

Effect of sample disturbance on cyclic shear strength of normally to lightly OC clays

Yang, Shaoli / Andersen, Knut H. / Lunne, Tom / Yetginer, Gulin

Tests on Onsøy clay (I_p = 24–27%) were performed to study the effect of sample disturbance on undrained static and cyclic shear strength. Samples with different degree of disturbance from sampling were used and parallel sets of monotonic and cyclic undrained laboratory tests were performed on block and 54 mm composite piston samples. A silty Drammen clay (I_p = 19%) which was studied earlier was included in the study. Test results indicated that there are significant effects of sample disturbance on both static and cyclic undrained shear strengths for both Onsøy and silty Drammen clays.

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Title:

Effect of sample disturbance on cyclic shear strength of normally to lightly OC clays

Contributors:

Yang, Shaoli (author) / Andersen, Knut H. (author) / Lunne, Tom (author) / Yetginer, Gulin (author)

Published in:

International Journal of Geotechnical Engineering ; 14 ; 242-253

Publication date:

2020-04-02

Size:

12 pages

ISSN:

1938-6362 , 1939-7879

DOI:

https://doi.org/10.1080/19386362.2017.1418801

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Plasticity , static and cyclic shear strengths , clay, sample disturbance , Onsøy clay , silty Drammen clay , dilatant, contractive

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