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https://doi.org/10.5194/nhess-2018-270
https://doi.org/10.5194/nhess-2018-270
25 Sep 2018
 | 25 Sep 2018
Status: this preprint has been withdrawn by the authors.

Influence of shearing rate on the residual strength characteristic of three landslides soils in loess area

Baoqin Lian, Jianbing  Peng, Xingang Wang, and Qiangbing Huang

Abstract. In order to investigate the effect of the shearing rate on the residual shear strength of slip zone soils, a series ring shear tests were carried out on slip zone soils from three landslides in loess area at the two shearing rates (0.1 mm/min and 1 mm/min). The slip zone soil specimens used in present study were from the northwest of China. Results indicated that the shear displacement to achieve the residual stage for specimens with higher shearing rate is greater than that of the lower rate. Relationship between the residual friction coefficients and normal stress shows that the residual friction coefficients for all specimens under the lower normal stress were greater than that under the higher normal stress at two shearing rate. Furthermore, the difference in the residual friction angle фr at the two shearing rates, фr (1) − фr (0.1), under each normal stress level were either positive or negative values, with the maximum absolute value of фr (1) − фr (0.1) reach up to 2.218°. However, the difference фr (1) − фr (0.1) under all normal stresses was negative, which indicates that the residual shear parameters reduced with the increasing of the shearing rate in loess area.

This preprint has been withdrawn.

Baoqin Lian, Jianbing  Peng, Xingang Wang, and Qiangbing Huang

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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
Printer-friendly Version - Printer-friendly version Supplement - Supplement
Baoqin Lian, Jianbing  Peng, Xingang Wang, and Qiangbing Huang
Baoqin Lian, Jianbing  Peng, Xingang Wang, and Qiangbing Huang

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